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Add a unit test for local variable tracking in syntax highlighting

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This commit is contained in:
Max Brunsfeld 2019-05-10 14:38:43 -07:00
parent cc50f4357b
commit 7bc7306afb
1 changed files with 61 additions and 0 deletions
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61
cli/src/tests/highlight_test.rs
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@ -152,6 +152,67 @@ fn test_highlighting_multiline_nodes_to_html() {
);
}
#[test]
fn test_highlighting_with_local_variable_tracking() {
let source = vec![
"module.exports = function a(b) {",
" const module = c;",
" console.log(module, b);",
"}",
"",
]
.join("\n");
assert_eq!(
&to_token_vector(&source, get_language("javascript"), &JS_SHEET).unwrap(),
&[
vec![
("module", vec![Highlight::VariableBuiltin]),
(".", vec![Highlight::PunctuationDelimiter]),
("exports", vec![Highlight::Property]),
(" ", vec![]),
("=", vec![Highlight::Operator]),
(" ", vec![]),
("function", vec![Highlight::Keyword]),
(" ", vec![]),
("a", vec![Highlight::Function]),
("(", vec![Highlight::PunctuationBracket]),
("b", vec![Highlight::VariableParameter]),
(")", vec![Highlight::PunctuationBracket]),
(" ", vec![]),
("{", vec![Highlight::PunctuationBracket])
],
vec![
(" ", vec![]),
("const", vec![Highlight::Keyword]),
(" ", vec![]),
("module", vec![Highlight::Variable]),
(" ", vec![]),
("=", vec![Highlight::Operator]),
(" ", vec![]),
("c", vec![Highlight::Variable]),
(";", vec![Highlight::PunctuationDelimiter])
],
vec![
(" ", vec![]),
("console", vec![Highlight::VariableBuiltin]),
(".", vec![Highlight::PunctuationDelimiter]),
("log", vec![Highlight::Function]),
("(", vec![Highlight::PunctuationBracket]),
// Not a builtin, because `module` was defined as a variable above.
("module", vec![Highlight::Variable]),
(",", vec![Highlight::PunctuationDelimiter]),
(" ", vec![]),
// A parameter, because `b` was defined as a parameter above.
("b", vec![Highlight::VariableParameter]),
(")", vec![Highlight::PunctuationBracket]),
(";", vec![Highlight::PunctuationDelimiter]),
("}", vec![Highlight::PunctuationBracket])
]
],
);
}
#[test]
fn test_highlighting_empty_lines() {
let source = vec![