mirror of
https://github.com/astral-sh/ruff.git
synced 2025-10-30 03:27:07 +00:00
881 lines
23 KiB
Rust
881 lines
23 KiB
Rust
mod config_option;
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mod exit_code;
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mod file_selection;
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mod python_environment;
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mod rule_selection;
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use anyhow::Context as _;
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use insta::internals::SettingsBindDropGuard;
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use insta_cmd::{assert_cmd_snapshot, get_cargo_bin};
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use std::{
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fmt::Write,
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path::{Path, PathBuf},
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process::Command,
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};
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use tempfile::TempDir;
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#[test]
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fn test_quiet_output() -> anyhow::Result<()> {
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let case = CliTest::with_file("test.py", "x: int = 1")?;
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// By default, we emit an "all checks passed" message
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assert_cmd_snapshot!(case.command(), @r###"
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success: true
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exit_code: 0
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----- stdout -----
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All checks passed!
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----- stderr -----
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"###);
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// With `quiet`, the message is not displayed
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assert_cmd_snapshot!(case.command().arg("--quiet"), @r"
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success: true
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exit_code: 0
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----- stdout -----
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----- stderr -----
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");
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let case = CliTest::with_file("test.py", "x: int = 'foo'")?;
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// By default, we emit a diagnostic
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assert_cmd_snapshot!(case.command(), @r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[invalid-assignment]: Object of type `Literal["foo"]` is not assignable to `int`
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--> test.py:1:1
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1 | x: int = 'foo'
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| ^
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info: rule `invalid-assignment` is enabled by default
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Found 1 diagnostic
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----- stderr -----
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"###);
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// With `quiet`, the diagnostic is not displayed, just the summary message
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assert_cmd_snapshot!(case.command().arg("--quiet"), @r"
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success: false
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exit_code: 1
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----- stdout -----
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Found 1 diagnostic
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----- stderr -----
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");
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// We allow `-q`
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assert_cmd_snapshot!(case.command().arg("-q"), @r"
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success: false
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exit_code: 1
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----- stdout -----
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Found 1 diagnostic
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----- stderr -----
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");
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// And repeated `-qq`
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assert_cmd_snapshot!(case.command().arg("-qq"), @r"
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success: false
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exit_code: 1
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----- stdout -----
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----- stderr -----
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");
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Ok(())
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}
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#[test]
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fn test_run_in_sub_directory() -> anyhow::Result<()> {
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let case = CliTest::with_files([("test.py", "~"), ("subdir/nothing", "")])?;
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assert_cmd_snapshot!(case.command().current_dir(case.root().join("subdir")).arg(".."), @r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[invalid-syntax]
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--> <temp_dir>/test.py:1:2
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1 | ~
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| ^ Expected an expression
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Found 1 diagnostic
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----- stderr -----
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"###);
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Ok(())
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}
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#[test]
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fn test_include_hidden_files_by_default() -> anyhow::Result<()> {
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let case = CliTest::with_files([(".test.py", "~")])?;
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assert_cmd_snapshot!(case.command(), @r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[invalid-syntax]
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--> .test.py:1:2
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1 | ~
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| ^ Expected an expression
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Found 1 diagnostic
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----- stderr -----
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"###);
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Ok(())
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}
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#[test]
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fn test_respect_ignore_files() -> anyhow::Result<()> {
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// First test that the default option works correctly (the file is skipped)
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let case = CliTest::with_files([(".ignore", "test.py"), ("test.py", "~")])?;
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assert_cmd_snapshot!(case.command(), @r###"
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success: true
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exit_code: 0
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----- stdout -----
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All checks passed!
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----- stderr -----
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WARN No python files found under the given path(s)
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"###);
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// Test that we can set to false via CLI
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assert_cmd_snapshot!(case.command().arg("--no-respect-ignore-files"), @r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[invalid-syntax]
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--> test.py:1:2
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1 | ~
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Found 1 diagnostic
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----- stderr -----
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"###);
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// Test that we can set to false via config file
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case.write_file("ty.toml", "src.respect-ignore-files = false")?;
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assert_cmd_snapshot!(case.command(), @r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[invalid-syntax]
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--> test.py:1:2
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1 | ~
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Found 1 diagnostic
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----- stderr -----
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"###);
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// Ensure CLI takes precedence
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case.write_file("ty.toml", "src.respect-ignore-files = true")?;
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assert_cmd_snapshot!(case.command().arg("--no-respect-ignore-files"), @r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[invalid-syntax]
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--> test.py:1:2
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1 | ~
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Found 1 diagnostic
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----- stderr -----
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"###);
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Ok(())
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}
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/// Paths specified on the CLI are relative to the current working directory and not the project root.
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///
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/// We test this by adding an extra search path from the CLI to the libs directory when
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/// running the CLI from the child directory (using relative paths).
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///
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/// Project layout:
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/// ```
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/// - libs
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/// |- utils.py
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/// - child
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/// | - test.py
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/// - pyproject.toml
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/// ```
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///
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/// And the command is run in the `child` directory.
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#[test]
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fn cli_arguments_are_relative_to_the_current_directory() -> anyhow::Result<()> {
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let case = CliTest::with_files([
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(
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"pyproject.toml",
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r#"
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[tool.ty.environment]
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python-version = "3.11"
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"#,
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),
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(
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"libs/utils.py",
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r#"
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def add(a: int, b: int) -> int:
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return a + b
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"#,
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),
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(
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"child/test.py",
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r#"
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from utils import add
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stat = add(10, 15)
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"#,
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),
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])?;
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// Make sure that the CLI fails when the `libs` directory is not in the search path.
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assert_cmd_snapshot!(case.command().current_dir(case.root().join("child")), @r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[unresolved-import]: Cannot resolve imported module `utils`
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--> test.py:2:6
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2 | from utils import add
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| ^^^^^
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3 |
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4 | stat = add(10, 15)
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info: Searched in the following paths during module resolution:
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info: 1. <temp_dir>/ (first-party code)
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info: 2. vendored://stdlib (stdlib typeshed stubs vendored by ty)
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info: make sure your Python environment is properly configured: https://docs.astral.sh/ty/modules/#python-environment
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info: rule `unresolved-import` is enabled by default
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Found 1 diagnostic
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----- stderr -----
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"###);
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assert_cmd_snapshot!(case.command().current_dir(case.root().join("child")).arg("--extra-search-path").arg("../libs"), @r###"
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success: true
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exit_code: 0
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----- stdout -----
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All checks passed!
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----- stderr -----
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"###);
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Ok(())
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}
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/// Paths specified in a configuration file are relative to the project root.
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///
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/// We test this by adding `libs` (as a relative path) to the extra search path in the configuration and run
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/// the CLI from a subdirectory.
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///
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/// Project layout:
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/// ```
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/// - libs
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/// |- utils.py
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/// - child
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/// | - test.py
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/// - pyproject.toml
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/// ```
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#[test]
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fn paths_in_configuration_files_are_relative_to_the_project_root() -> anyhow::Result<()> {
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let case = CliTest::with_files([
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(
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"pyproject.toml",
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r#"
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[tool.ty.environment]
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python-version = "3.11"
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extra-paths = ["libs"]
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"#,
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),
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(
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"libs/utils.py",
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r#"
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def add(a: int, b: int) -> int:
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return a + b
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"#,
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),
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(
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"child/test.py",
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r#"
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from utils import add
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stat = add(10, 15)
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"#,
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),
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])?;
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assert_cmd_snapshot!(case.command().current_dir(case.root().join("child")), @r###"
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success: true
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exit_code: 0
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----- stdout -----
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All checks passed!
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----- stderr -----
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"###);
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Ok(())
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}
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#[test]
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fn user_configuration() -> anyhow::Result<()> {
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let case = CliTest::with_files([
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(
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"project/ty.toml",
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r#"
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[rules]
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division-by-zero = "warn"
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"#,
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),
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(
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"project/main.py",
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r#"
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y = 4 / 0
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for a in range(0, int(y)):
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x = a
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prin(x)
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"#,
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),
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])?;
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let config_directory = case.root().join("home/.config");
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let config_env_var = if cfg!(windows) {
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"APPDATA"
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} else {
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"XDG_CONFIG_HOME"
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};
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assert_cmd_snapshot!(
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case.command().current_dir(case.root().join("project")).env(config_env_var, config_directory.as_os_str()),
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@r###"
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success: false
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exit_code: 1
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----- stdout -----
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warning[division-by-zero]: Cannot divide object of type `Literal[4]` by zero
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--> main.py:2:5
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2 | y = 4 / 0
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| ^^^^^
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3 |
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4 | for a in range(0, int(y)):
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info: rule `division-by-zero` was selected in the configuration file
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error[unresolved-reference]: Name `prin` used when not defined
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--> main.py:7:1
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5 | x = a
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6 |
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7 | prin(x)
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| ^^^^
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info: rule `unresolved-reference` is enabled by default
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Found 2 diagnostics
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----- stderr -----
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"###
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);
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// The user-level configuration sets the severity for `unresolved-reference` to warn.
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// Changing the level for `division-by-zero` has no effect, because the project-level configuration
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// has higher precedence.
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case.write_file(
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config_directory.join("ty/ty.toml"),
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r#"
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[rules]
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division-by-zero = "error"
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unresolved-reference = "warn"
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"#,
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)?;
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assert_cmd_snapshot!(
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case.command().current_dir(case.root().join("project")).env(config_env_var, config_directory.as_os_str()),
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@r###"
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success: true
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exit_code: 0
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----- stdout -----
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warning[division-by-zero]: Cannot divide object of type `Literal[4]` by zero
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--> main.py:2:5
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2 | y = 4 / 0
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| ^^^^^
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3 |
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4 | for a in range(0, int(y)):
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info: rule `division-by-zero` was selected in the configuration file
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warning[unresolved-reference]: Name `prin` used when not defined
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--> main.py:7:1
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5 | x = a
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6 |
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7 | prin(x)
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| ^^^^
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info: rule `unresolved-reference` was selected in the configuration file
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Found 2 diagnostics
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----- stderr -----
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"###
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);
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Ok(())
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}
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#[test]
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fn check_specific_paths() -> anyhow::Result<()> {
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let case = CliTest::with_files([
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(
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"project/main.py",
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r#"
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y = 4 / 0 # error: division-by-zero
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"#,
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),
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(
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"project/tests/test_main.py",
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r#"
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import does_not_exist # error: unresolved-import
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"#,
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),
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(
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"project/other.py",
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r#"
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from main2 import z # error: unresolved-import
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print(z)
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"#,
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),
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])?;
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assert_cmd_snapshot!(
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case.command(),
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@r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[unresolved-import]: Cannot resolve imported module `main2`
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--> project/other.py:2:6
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2 | from main2 import z # error: unresolved-import
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| ^^^^^
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3 |
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4 | print(z)
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info: Searched in the following paths during module resolution:
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info: 1. <temp_dir>/ (first-party code)
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info: 2. vendored://stdlib (stdlib typeshed stubs vendored by ty)
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info: make sure your Python environment is properly configured: https://docs.astral.sh/ty/modules/#python-environment
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info: rule `unresolved-import` is enabled by default
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error[unresolved-import]: Cannot resolve imported module `does_not_exist`
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--> project/tests/test_main.py:2:8
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2 | import does_not_exist # error: unresolved-import
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| ^^^^^^^^^^^^^^
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info: Searched in the following paths during module resolution:
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info: 1. <temp_dir>/ (first-party code)
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info: 2. vendored://stdlib (stdlib typeshed stubs vendored by ty)
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info: make sure your Python environment is properly configured: https://docs.astral.sh/ty/modules/#python-environment
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info: rule `unresolved-import` is enabled by default
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Found 2 diagnostics
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----- stderr -----
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"###
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);
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// Now check only the `tests` and `other.py` files.
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// We should no longer see any diagnostics related to `main.py`.
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assert_cmd_snapshot!(
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case.command().arg("project/tests").arg("project/other.py"),
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@r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[unresolved-import]: Cannot resolve imported module `main2`
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--> project/other.py:2:6
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2 | from main2 import z # error: unresolved-import
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| ^^^^^
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3 |
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4 | print(z)
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|
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info: Searched in the following paths during module resolution:
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info: 1. <temp_dir>/ (first-party code)
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info: 2. vendored://stdlib (stdlib typeshed stubs vendored by ty)
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info: make sure your Python environment is properly configured: https://docs.astral.sh/ty/modules/#python-environment
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info: rule `unresolved-import` is enabled by default
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error[unresolved-import]: Cannot resolve imported module `does_not_exist`
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--> project/tests/test_main.py:2:8
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|
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2 | import does_not_exist # error: unresolved-import
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| ^^^^^^^^^^^^^^
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|
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info: Searched in the following paths during module resolution:
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info: 1. <temp_dir>/ (first-party code)
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info: 2. vendored://stdlib (stdlib typeshed stubs vendored by ty)
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info: make sure your Python environment is properly configured: https://docs.astral.sh/ty/modules/#python-environment
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info: rule `unresolved-import` is enabled by default
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Found 2 diagnostics
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----- stderr -----
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"###
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);
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Ok(())
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}
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#[test]
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fn check_non_existing_path() -> anyhow::Result<()> {
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let case = CliTest::with_files([])?;
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|
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let mut settings = insta::Settings::clone_current();
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settings.add_filter(
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®ex::escape("The system cannot find the path specified. (os error 3)"),
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"No such file or directory (os error 2)",
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);
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let _s = settings.bind_to_scope();
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assert_cmd_snapshot!(
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case.command().arg("project/main.py").arg("project/tests"),
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@r###"
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success: false
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exit_code: 1
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----- stdout -----
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error[io]: `<temp_dir>/project/main.py`: No such file or directory (os error 2)
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error[io]: `<temp_dir>/project/tests`: No such file or directory (os error 2)
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Found 2 diagnostics
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----- stderr -----
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WARN No python files found under the given path(s)
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"###
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);
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Ok(())
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}
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#[test]
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fn concise_diagnostics() -> anyhow::Result<()> {
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let case = CliTest::with_file(
|
|
"test.py",
|
|
r#"
|
|
print(x) # [unresolved-reference]
|
|
print(4[1]) # [non-subscriptable]
|
|
"#,
|
|
)?;
|
|
|
|
assert_cmd_snapshot!(case.command().arg("--output-format=concise").arg("--warn").arg("unresolved-reference"), @r###"
|
|
success: false
|
|
exit_code: 1
|
|
----- stdout -----
|
|
test.py:2:7: warning[unresolved-reference] Name `x` used when not defined
|
|
test.py:3:7: error[non-subscriptable] Cannot subscript object of type `Literal[4]` with no `__getitem__` method
|
|
Found 2 diagnostics
|
|
|
|
----- stderr -----
|
|
"###);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn gitlab_diagnostics() -> anyhow::Result<()> {
|
|
let case = CliTest::with_file(
|
|
"test.py",
|
|
r#"
|
|
print(x) # [unresolved-reference]
|
|
print(4[1]) # [non-subscriptable]
|
|
"#,
|
|
)?;
|
|
|
|
let mut settings = insta::Settings::clone_current();
|
|
settings.add_filter(r#"("fingerprint": ")[a-z0-9]+(",)"#, "$1[FINGERPRINT]$2");
|
|
let _s = settings.bind_to_scope();
|
|
|
|
assert_cmd_snapshot!(case.command().arg("--output-format=gitlab").arg("--warn").arg("unresolved-reference")
|
|
.env("CI_PROJECT_DIR", case.project_dir), @r###"
|
|
success: false
|
|
exit_code: 1
|
|
----- stdout -----
|
|
[
|
|
{
|
|
"check_name": "unresolved-reference",
|
|
"description": "unresolved-reference: Name `x` used when not defined",
|
|
"severity": "minor",
|
|
"fingerprint": "[FINGERPRINT]",
|
|
"location": {
|
|
"path": "test.py",
|
|
"positions": {
|
|
"begin": {
|
|
"line": 2,
|
|
"column": 7
|
|
},
|
|
"end": {
|
|
"line": 2,
|
|
"column": 8
|
|
}
|
|
}
|
|
}
|
|
},
|
|
{
|
|
"check_name": "non-subscriptable",
|
|
"description": "non-subscriptable: Cannot subscript object of type `Literal[4]` with no `__getitem__` method",
|
|
"severity": "major",
|
|
"fingerprint": "[FINGERPRINT]",
|
|
"location": {
|
|
"path": "test.py",
|
|
"positions": {
|
|
"begin": {
|
|
"line": 3,
|
|
"column": 7
|
|
},
|
|
"end": {
|
|
"line": 3,
|
|
"column": 8
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
----- stderr -----
|
|
"###);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn github_diagnostics() -> anyhow::Result<()> {
|
|
let case = CliTest::with_file(
|
|
"test.py",
|
|
r#"
|
|
print(x) # [unresolved-reference]
|
|
print(4[1]) # [non-subscriptable]
|
|
"#,
|
|
)?;
|
|
|
|
assert_cmd_snapshot!(case.command().arg("--output-format=github").arg("--warn").arg("unresolved-reference"), @r###"
|
|
success: false
|
|
exit_code: 1
|
|
----- stdout -----
|
|
::warning title=ty (unresolved-reference),file=<temp_dir>/test.py,line=2,col=7,endLine=2,endColumn=8::test.py:2:7: unresolved-reference: Name `x` used when not defined
|
|
::error title=ty (non-subscriptable),file=<temp_dir>/test.py,line=3,col=7,endLine=3,endColumn=8::test.py:3:7: non-subscriptable: Cannot subscript object of type `Literal[4]` with no `__getitem__` method
|
|
|
|
----- stderr -----
|
|
"###);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// This tests the diagnostic format for revealed type.
|
|
///
|
|
/// This test was introduced because changes were made to
|
|
/// how the revealed type diagnostic was constructed and
|
|
/// formatted in "verbose" mode. But it required extra
|
|
/// logic to ensure the concise version didn't regress on
|
|
/// information content. So this test was introduced to
|
|
/// capture that.
|
|
#[test]
|
|
fn concise_revealed_type() -> anyhow::Result<()> {
|
|
let case = CliTest::with_file(
|
|
"test.py",
|
|
r#"
|
|
from typing_extensions import reveal_type
|
|
|
|
x = "hello"
|
|
reveal_type(x)
|
|
"#,
|
|
)?;
|
|
|
|
assert_cmd_snapshot!(case.command().arg("--output-format=concise"), @r###"
|
|
success: true
|
|
exit_code: 0
|
|
----- stdout -----
|
|
test.py:5:13: info[revealed-type] Revealed type: `Literal["hello"]`
|
|
Found 1 diagnostic
|
|
|
|
----- stderr -----
|
|
"###);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn can_handle_large_binop_expressions() -> anyhow::Result<()> {
|
|
let mut content = String::new();
|
|
writeln!(
|
|
&mut content,
|
|
"
|
|
from typing_extensions import reveal_type
|
|
total = 1{plus_one_repeated}
|
|
reveal_type(total)
|
|
",
|
|
plus_one_repeated = " + 1".repeat(2000 - 1)
|
|
)?;
|
|
|
|
let case = CliTest::with_file("test.py", &ruff_python_trivia::textwrap::dedent(&content))?;
|
|
|
|
assert_cmd_snapshot!(case.command(), @r###"
|
|
success: true
|
|
exit_code: 0
|
|
----- stdout -----
|
|
info[revealed-type]: Revealed type
|
|
--> test.py:4:13
|
|
|
|
|
2 | from typing_extensions import reveal_type
|
|
3 | total = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +…
|
|
4 | reveal_type(total)
|
|
| ^^^^^ `Literal[2000]`
|
|
|
|
|
|
|
Found 1 diagnostic
|
|
|
|
----- stderr -----
|
|
"###);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub(crate) struct CliTest {
|
|
_temp_dir: TempDir,
|
|
_settings_scope: SettingsBindDropGuard,
|
|
project_dir: PathBuf,
|
|
}
|
|
|
|
impl CliTest {
|
|
pub(crate) fn new() -> anyhow::Result<Self> {
|
|
let temp_dir = TempDir::new()?;
|
|
|
|
// Canonicalize the tempdir path because macos uses symlinks for tempdirs
|
|
// and that doesn't play well with our snapshot filtering.
|
|
// Simplify with dunce because otherwise we get UNC paths on Windows.
|
|
let project_dir = dunce::simplified(
|
|
&temp_dir
|
|
.path()
|
|
.canonicalize()
|
|
.context("Failed to canonicalize project path")?,
|
|
)
|
|
.to_path_buf();
|
|
|
|
let mut settings = insta::Settings::clone_current();
|
|
settings.add_filter(&tempdir_filter(&project_dir), "<temp_dir>/");
|
|
settings.add_filter(r#"\\(\w\w|\s|\.|")"#, "/$1");
|
|
settings.add_filter(
|
|
r#"The system cannot find the file specified."#,
|
|
"No such file or directory",
|
|
);
|
|
|
|
let settings_scope = settings.bind_to_scope();
|
|
|
|
Ok(Self {
|
|
project_dir,
|
|
_temp_dir: temp_dir,
|
|
_settings_scope: settings_scope,
|
|
})
|
|
}
|
|
|
|
pub(crate) fn with_files<'a>(
|
|
files: impl IntoIterator<Item = (&'a str, &'a str)>,
|
|
) -> anyhow::Result<Self> {
|
|
let case = Self::new()?;
|
|
case.write_files(files)?;
|
|
Ok(case)
|
|
}
|
|
|
|
pub(crate) fn with_file(path: impl AsRef<Path>, content: &str) -> anyhow::Result<Self> {
|
|
let case = Self::new()?;
|
|
case.write_file(path, content)?;
|
|
Ok(case)
|
|
}
|
|
|
|
pub(crate) fn write_files<'a>(
|
|
&self,
|
|
files: impl IntoIterator<Item = (&'a str, &'a str)>,
|
|
) -> anyhow::Result<()> {
|
|
for (path, content) in files {
|
|
self.write_file(path, content)?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn ensure_parent_directory(path: &Path) -> anyhow::Result<()> {
|
|
if let Some(parent) = path.parent() {
|
|
std::fs::create_dir_all(parent)
|
|
.with_context(|| format!("Failed to create directory `{}`", parent.display()))?;
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
pub(crate) fn write_file(&self, path: impl AsRef<Path>, content: &str) -> anyhow::Result<()> {
|
|
let path = path.as_ref();
|
|
let path = self.project_dir.join(path);
|
|
|
|
Self::ensure_parent_directory(&path)?;
|
|
|
|
std::fs::write(&path, &*ruff_python_trivia::textwrap::dedent(content))
|
|
.with_context(|| format!("Failed to write file `{path}`", path = path.display()))?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[cfg(unix)]
|
|
pub(crate) fn write_symlink(
|
|
&self,
|
|
original: impl AsRef<Path>,
|
|
link: impl AsRef<Path>,
|
|
) -> anyhow::Result<()> {
|
|
let link = link.as_ref();
|
|
let link = self.project_dir.join(link);
|
|
|
|
let original = original.as_ref();
|
|
let original = self.project_dir.join(original);
|
|
|
|
Self::ensure_parent_directory(&link)?;
|
|
|
|
std::os::unix::fs::symlink(original, &link)
|
|
.with_context(|| format!("Failed to write symlink `{link}`", link = link.display()))?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub(crate) fn root(&self) -> &Path {
|
|
&self.project_dir
|
|
}
|
|
|
|
pub(crate) fn command(&self) -> Command {
|
|
let mut command = Command::new(get_cargo_bin("ty"));
|
|
command.current_dir(&self.project_dir).arg("check");
|
|
|
|
// Unset all environment variables because they can affect test behavior.
|
|
command.env_clear();
|
|
|
|
command
|
|
}
|
|
}
|
|
|
|
fn tempdir_filter(path: &Path) -> String {
|
|
format!(r"{}\\?/?", regex::escape(path.to_str().unwrap()))
|
|
}
|