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Matchers.toContainValue method | bun:test module | Bun

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method

test.Matchers.toContainValuetoContainValue(expected: unknown): void;Asserts that an object contain the provided value.

This method is deep and will look through child properties to find the expected value.

The input value must be an object.

@param expectedthe expected value

const shallow = { hello: "world" }; const deep = { message: shallow }; const deepArray = { message: [shallow] }; const o = { a: "foo", b: [1, "hello", true], c: "baz" }; expect(shallow).toContainValue("world"); expect({ foo: false }).toContainValue(false); expect(deep).toContainValue({ hello: "world" }); expect(deepArray).toContainValue([{ hello: "world" }]); expect(o).toContainValue("foo", "barr"); expect(o).toContainValue([1, "hello", true]); expect(o).not.toContainValue("qux"); // NOT expect(shallow).not.toContainValue("foo"); expect(deep).not.toContainValue({ foo: "bar" }); expect(deepArray).not.toContainValue([{ foo: "bar" }]);

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