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repl: Move tests from roc_cli to roc_repl_cli

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This commit is contained in:
Brian Carroll 2022-01-30 16:20:48 +00:00
parent e168adfdf8
commit c8c51f0cdc
6 changed files with 1089 additions and 1054 deletions
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86
cli_utils/src/helpers.rs
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@ -4,7 +4,6 @@ extern crate roc_load;
extern crate roc_module;
extern crate tempfile;
use roc_cli::repl::{INSTRUCTIONS, WELCOME_MESSAGE};
use serde::Deserialize;
use serde_xml_rs::from_str;
use std::env;
@ -306,88 +305,3 @@ pub fn known_bad_file(file_name: &str) -> PathBuf {
path
}
#[allow(dead_code)]
pub fn repl_eval(input: &str) -> Out {
let mut cmd = Command::new(path_to_roc_binary());
cmd.arg("repl");
let mut child = cmd
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.expect("failed to execute compiled `roc` binary in CLI test");
{
let stdin = child.stdin.as_mut().expect("Failed to open stdin");
// Send the input expression
stdin
.write_all(input.as_bytes())
.expect("Failed to write input to stdin");
// Evaluate the expression
stdin
.write_all(b"\n")
.expect("Failed to write newline to stdin");
// Gracefully exit the repl
stdin
.write_all(b":exit\n")
.expect("Failed to write :exit to stdin");
}
let output = child
.wait_with_output()
.expect("Error waiting for REPL child process to exit.");
// Remove the initial instructions from the output.
let expected_instructions = format!("{}{}", WELCOME_MESSAGE, INSTRUCTIONS);
let stdout = String::from_utf8(output.stdout).unwrap();
assert!(
stdout.starts_with(&expected_instructions),
"Unexpected repl output: {}",
stdout
);
let (_, answer) = stdout.split_at(expected_instructions.len());
let answer = if answer.is_empty() {
// The repl crashed before completing the evaluation.
// This is most likely due to a segfault.
if output.status.to_string() == "signal: 11" {
panic!(
"repl segfaulted during the test. Stderr was {:?}",
String::from_utf8(output.stderr).unwrap()
);
} else {
panic!("repl exited unexpectedly before finishing evaluation. Exit status was {:?} and stderr was {:?}", output.status, String::from_utf8(output.stderr).unwrap());
}
} else {
let expected_after_answer = "\n".to_string();
assert!(
answer.ends_with(&expected_after_answer),
"Unexpected repl output after answer: {}",
answer
);
// Use [1..] to trim the leading '\n'
// and (len - 1) to trim the trailing '\n'
let (answer, _) = answer[1..].split_at(answer.len() - expected_after_answer.len() - 1);
// Remove ANSI escape codes from the answer - for example:
//
// Before: "42 \u{1b}[35m:\u{1b}[0m Num *"
// After: "42 : Num *"
strip_ansi_escapes::strip(answer).unwrap()
};
Out {
stdout: String::from_utf8(answer).unwrap(),
stderr: String::from_utf8(output.stderr).unwrap(),
status: output.status,
}
}