File size: 1,233 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | describe('toWarnDev', () => {
describe('usage', () => {
test('fails with incorrect type of message', () => {
expect(() => {
// @ts-ignore
expect(() => {}).toWarnDev(false);
}).toThrowErrorMatchingInlineSnapshot(
`"toWarnDev() requires a parameter of type string but was given boolean."`
);
});
});
describe('without message', () => {
test('does not fail if called', () => {
expect(() => {
expect(() => {
console.warn('warning');
}).toWarnDev();
}).not.toThrow();
});
test('fails if not called', () => {
expect(() => {
expect(() => {}).toWarnDev();
}).toThrowErrorMatchingInlineSnapshot(`"No warning recorded."`);
});
});
describe('with message', () => {
test('does not fail with correct message', () => {
expect(() => {
expect(() => {
console.warn('warning');
}).toWarnDev('warning');
}).not.toThrow();
});
test('fails if a warning is not correct', () => {
expect(() => {
expect(() => {
console.warn('warning');
}).toWarnDev('another warning');
}).toThrow(/Unexpected warning recorded./);
});
});
});
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