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test: Add FlatESLint tests with missing config files #17164

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merged 2 commits into from May 29, 2023
Merged

test: Add FlatESLint tests with missing config files #17164

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test: Add `FlatESLint` tests with missing config files
mdjermanovic May 8, 2023
1b2058d
assert ENOENT
mdjermanovic May 11, 2023
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62 changes: 62 additions & 0 deletions tests/lib/eslint/flat-eslint.js
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Expand Up @@ -648,6 +648,37 @@ describe("FlatESLint", () => {
);
});

it("should throw if eslint.config.js file is not present", async () => {
eslint = new FlatESLint({
cwd: getFixturePath("..")
});
await assert.rejects(() => eslint.lintText("var foo = 'bar';"), /Could not find config file/u);
});

it("should not throw if eslint.config.js file is not present and overrideConfigFile is `true`", async () => {
eslint = new FlatESLint({
cwd: getFixturePath(".."),
overrideConfigFile: true
});
await eslint.lintText("var foo = 'bar';");
});

it("should not throw if eslint.config.js file is not present and overrideConfigFile is path to a config file", async () => {
eslint = new FlatESLint({
cwd: getFixturePath(".."),
overrideConfigFile: "fixtures/configurations/quotes-error.js"
});
await eslint.lintText("var foo = 'bar';");
});

it("should throw if overrideConfigFile is path to a file that doesn't exist", async () => {
eslint = new FlatESLint({
cwd: getFixturePath(""),
overrideConfigFile: "does-not-exist.js"
});
await assert.rejects(() => eslint.lintText("var foo = 'bar';"), { code: "ENOENT" });
});

it("should throw if non-string value is given to 'code' parameter", async () => {
eslint = new FlatESLint();
await assert.rejects(() => eslint.lintText(100), /'code' must be a string/u);
Expand Down Expand Up @@ -763,6 +794,37 @@ describe("FlatESLint", () => {
assert.strictEqual(results[0].suppressedMessages.length, 0);
});

it("should throw if eslint.config.js file is not present", async () => {
eslint = new FlatESLint({
cwd: getFixturePath("..")
});
await assert.rejects(() => eslint.lintFiles("fixtures/undef*.js"), /Could not find config file/u);
});

it("should not throw if eslint.config.js file is not present and overrideConfigFile is `true`", async () => {
eslint = new FlatESLint({
cwd: getFixturePath(".."),
overrideConfigFile: true
});
await eslint.lintFiles("fixtures/undef*.js");
});

it("should not throw if eslint.config.js file is not present and overrideConfigFile is path to a config file", async () => {
eslint = new FlatESLint({
cwd: getFixturePath(".."),
overrideConfigFile: "fixtures/configurations/quotes-error.js"
});
await eslint.lintFiles("fixtures/undef*.js");
});

it("should throw if overrideConfigFile is path to a file that doesn't exist", async () => {
eslint = new FlatESLint({
cwd: getFixturePath(),
overrideConfigFile: "does-not-exist.js"
});
await assert.rejects(() => eslint.lintFiles("undef*.js"), { code: "ENOENT" });
});

it("should throw an error when given a config file and a valid file and invalid parser", async () => {
eslint = new FlatESLint({
overrideConfig: {
Expand Down