/
validate-options.test.js
89 lines (82 loc) · 2.19 KB
/
validate-options.test.js
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import { getCompiler, compile } from "./helpers/index";
describe("validate options", () => {
const tests = {
lessOptions: {
success: [
{ strictMath: true },
() => {
return {
strictMath: true,
};
},
],
failure: [1, true, false, "test", []],
},
additionalData: {
success: ["@background: coral;", () => "@background: coral;"],
failure: [1, true, false, /test/, [], {}],
},
sourceMap: {
success: [true, false],
failure: ["string"],
},
webpackImporter: {
success: [true, false],
failure: ["string"],
},
implementation: {
// eslint-disable-next-line global-require
success: [require("less"), "less"],
failure: [true, false, () => {}, []],
},
lessLogAsWarnOrErr: {
success: [true, false],
failure: ["string"],
},
unknown: {
success: [],
failure: [1, true, false, "test", /test/, [], {}, { foo: "bar" }],
},
};
function stringifyValue(value) {
if (
Array.isArray(value) ||
(value && typeof value === "object" && value.constructor === Object)
) {
return JSON.stringify(value);
}
return value;
}
async function createTestCase(key, value, type) {
it(`should ${
type === "success" ? "successfully validate" : "throw an error on"
} the "${key}" option with "${stringifyValue(value)}" value`, async () => {
const compiler = getCompiler("./basic.less", {
[key]: value,
});
let stats;
try {
stats = await compile(compiler);
} finally {
if (type === "success") {
expect(stats.hasErrors()).toBe(false);
} else if (type === "failure") {
const {
compilation: { errors },
} = stats;
expect(errors).toHaveLength(1);
expect(() => {
throw new Error(errors[0].error.message);
}).toThrowErrorMatchingSnapshot();
}
}
});
}
for (const [key, values] of Object.entries(tests)) {
for (const type of Object.keys(values)) {
for (const value of values[type]) {
createTestCase(key, value, type);
}
}
}
});