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validate-options.test.js
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validate-options.test.js
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import { getCompiler, compile } from "./helpers";
describe("validate options", () => {
const tests = {
injectType: {
success: [
"styleTag",
"singletonStyleTag",
"autoStyleTag",
"lazyStyleTag",
"lazySingletonStyleTag",
"lazyAutoStyleTag",
"linkTag",
],
failure: ["unknown"],
},
attributes: {
success: [{}, { id: "id" }],
failure: [true],
},
insert: {
success: ["selector", () => {}],
failure: [true],
},
esModule: {
success: [true, false],
failure: ["true"],
},
styleTagTransform: {
// eslint-disable-next-line func-names
success: [require.resolve("./fixtures/styleTagTransform")],
failure: [true, []],
},
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("simple.js", { [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(2);
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);
}
}
}
});