55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
describe("toAlmostEqual custom matcher", () => {
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it("matches identical Dates", () => {
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const date = new Date();
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expect(date).toAlmostEqual(date);
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});
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it("matches when older but within default ms", () => {
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const date = new Date();
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const olderDate = new Date(date.getTime() - 5);
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expect(date).toAlmostEqual(olderDate);
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});
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it("matches when newer but within default ms", () => {
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const date = new Date();
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const olderDate = new Date(date.getTime() + 5);
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expect(date).toAlmostEqual(olderDate);
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});
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it("doesn't match if older than default ms", () => {
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const date = new Date();
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const olderDate = new Date(date.getTime() - 11);
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expect(date).not.toAlmostEqual(olderDate);
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});
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it("doesn't match if newer than default ms", () => {
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const date = new Date();
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const olderDate = new Date(date.getTime() + 11);
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expect(date).not.toAlmostEqual(olderDate);
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});
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it("matches when older but within custom ms", () => {
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const date = new Date();
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const olderDate = new Date(date.getTime() - 15);
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expect(date).toAlmostEqual(olderDate, 20);
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});
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it("matches when newer but within custom ms", () => {
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const date = new Date();
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const olderDate = new Date(date.getTime() + 15);
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expect(date).toAlmostEqual(olderDate, 20);
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});
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it("doesn't match if older than custom ms", () => {
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const date = new Date();
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const olderDate = new Date(date.getTime() - 21);
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expect(date).not.toAlmostEqual(olderDate, 20);
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});
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it("doesn't match if newer than custom ms", () => {
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const date = new Date();
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const olderDate = new Date(date.getTime() + 21);
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expect(date).not.toAlmostEqual(olderDate, 20);
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});
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});
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