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-rw-r--r--tools/lint/test/test_eslint.py99
1 files changed, 99 insertions, 0 deletions
diff --git a/tools/lint/test/test_eslint.py b/tools/lint/test/test_eslint.py
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+++ b/tools/lint/test/test_eslint.py
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+import mozunit
+import pytest
+from conftest import build
+
+LINTER = "eslint"
+fixed = 0
+
+
+@pytest.fixture
+def eslint(lint):
+ def inner(*args, **kwargs):
+ # --no-ignore is for ESLint to avoid the .eslintignore file.
+ # --ignore-path is because Prettier doesn't have the --no-ignore option
+ # and therefore needs to be given an empty file for the tests to work.
+ kwargs["extra_args"] = [
+ "--no-ignore",
+ "--ignore-path=tools/lint/test/files/eslint/testprettierignore",
+ ]
+ return lint(*args, **kwargs)
+
+ return inner
+
+
+def test_lint_with_global_exclude(lint, config, paths):
+ config["exclude"] = ["subdir", "import"]
+ # This uses lint directly as we need to not ignore the excludes.
+ results = lint(paths(), config=config, root=build.topsrcdir)
+ assert len(results) == 0
+
+
+def test_no_files_to_lint(eslint, config, paths):
+ # A directory with no files to lint.
+ results = eslint(paths("nolint"), root=build.topsrcdir)
+ assert results == []
+
+ # Errors still show up even when a directory with no files is passed in.
+ results = eslint(paths("nolint", "subdir/bad.js"), root=build.topsrcdir)
+ assert len(results) == 1
+
+
+def test_bad_import(eslint, config, paths):
+ results = eslint(paths("import"), config=config, root=build.topsrcdir)
+ assert results == 1
+
+
+def test_eslint_rule(eslint, config, create_temp_file):
+ contents = """var re = /foo bar/;
+var re = new RegExp("foo bar");
+"""
+ path = create_temp_file(contents, "bad.js")
+ results = eslint(
+ [path], config=config, root=build.topsrcdir, rules=["no-regex-spaces: error"]
+ )
+
+ assert len(results) == 2
+
+
+def test_eslint_fix(eslint, config, create_temp_file):
+ contents = """/*eslint no-regex-spaces: "error"*/
+
+var re = /foo bar/;
+var re = new RegExp("foo bar");
+
+var re = /foo bar/;
+var re = new RegExp("foo bar");
+
+var re = /foo bar/;
+var re = new RegExp("foo bar");
+"""
+ path = create_temp_file(contents, "bad.js")
+ eslint([path], config=config, root=build.topsrcdir, fix=True)
+
+ # ESLint returns counts of files fixed, not errors fixed.
+ assert fixed == 1
+
+
+def test_prettier_rule(eslint, config, create_temp_file):
+ contents = """var re = /foobar/;
+ var re = "foo";
+"""
+ path = create_temp_file(contents, "bad.js")
+ results = eslint([path], config=config, root=build.topsrcdir)
+
+ assert len(results) == 1
+
+
+def test_prettier_fix(eslint, config, create_temp_file):
+ contents = """var re = /foobar/;
+ var re = "foo";
+"""
+ path = create_temp_file(contents, "bad.js")
+ eslint([path], config=config, root=build.topsrcdir, fix=True)
+
+ # Prettier returns counts of files fixed, not errors fixed.
+ assert fixed == 1
+
+
+if __name__ == "__main__":
+ mozunit.main()