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Deduplicate dummy test span maps

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This commit is contained in:
Lukas Wirth 2023-11-25 15:10:31 +01:00
parent c43078f99d
commit 6208960c48
12 changed files with 99 additions and 139 deletions
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30
crates/cfg/src/tests.rs
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@ -1,34 +1,14 @@
use arbitrary::{Arbitrary, Unstructured};
use expect_test::{expect, Expect};
use mbe::{syntax_node_to_token_tree, SpanMapper};
use mbe::{syntax_node_to_token_tree, DummyTestSpanMap};
use syntax::{ast, AstNode};
use tt::{SpanAnchor, SyntaxContext};
use crate::{CfgAtom, CfgExpr, CfgOptions, DnfExpr};
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
struct DummyFile;
impl SpanAnchor for DummyFile {
const DUMMY: Self = DummyFile;
}
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
struct DummyCtx;
impl SyntaxContext for DummyCtx {
const DUMMY: Self = DummyCtx;
}
struct NoOpMap;
impl SpanMapper<tt::SpanData<DummyFile, DummyCtx>> for NoOpMap {
fn span_for(&self, range: syntax::TextRange) -> tt::SpanData<DummyFile, DummyCtx> {
tt::SpanData { range, anchor: DummyFile, ctx: DummyCtx }
}
}
fn assert_parse_result(input: &str, expected: CfgExpr) {
let source_file = ast::SourceFile::parse(input).ok().unwrap();
let tt = source_file.syntax().descendants().find_map(ast::TokenTree::cast).unwrap();
let tt = syntax_node_to_token_tree(tt.syntax(), NoOpMap);
let tt = syntax_node_to_token_tree(tt.syntax(), DummyTestSpanMap);
let cfg = CfgExpr::parse(&tt);
assert_eq!(cfg, expected);
}
@ -36,7 +16,7 @@ fn assert_parse_result(input: &str, expected: CfgExpr) {
fn check_dnf(input: &str, expect: Expect) {
let source_file = ast::SourceFile::parse(input).ok().unwrap();
let tt = source_file.syntax().descendants().find_map(ast::TokenTree::cast).unwrap();
let tt = syntax_node_to_token_tree(tt.syntax(), NoOpMap);
let tt = syntax_node_to_token_tree(tt.syntax(), DummyTestSpanMap);
let cfg = CfgExpr::parse(&tt);
let actual = format!("#![cfg({})]", DnfExpr::new(cfg));
expect.assert_eq(&actual);
@ -45,7 +25,7 @@ fn check_dnf(input: &str, expect: Expect) {
fn check_why_inactive(input: &str, opts: &CfgOptions, expect: Expect) {
let source_file = ast::SourceFile::parse(input).ok().unwrap();
let tt = source_file.syntax().descendants().find_map(ast::TokenTree::cast).unwrap();
let tt = syntax_node_to_token_tree(tt.syntax(), NoOpMap);
let tt = syntax_node_to_token_tree(tt.syntax(), DummyTestSpanMap);
let cfg = CfgExpr::parse(&tt);
let dnf = DnfExpr::new(cfg);
let why_inactive = dnf.why_inactive(opts).unwrap().to_string();
@ -56,7 +36,7 @@ fn check_why_inactive(input: &str, opts: &CfgOptions, expect: Expect) {
fn check_enable_hints(input: &str, opts: &CfgOptions, expected_hints: &[&str]) {
let source_file = ast::SourceFile::parse(input).ok().unwrap();
let tt = source_file.syntax().descendants().find_map(ast::TokenTree::cast).unwrap();
let tt = syntax_node_to_token_tree(tt.syntax(), NoOpMap);
let tt = syntax_node_to_token_tree(tt.syntax(), DummyTestSpanMap);
let cfg = CfgExpr::parse(&tt);
let dnf = DnfExpr::new(cfg);
let hints = dnf.compute_enable_hints(opts).map(|diff| diff.to_string()).collect::<Vec<_>>();