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// META: global=window,worker | ||
// META: title=Response: json static method | ||
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const APPLICATION_JSON = "application/json"; | ||
const FOO_BAR = "foo/bar"; | ||
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const INIT_TESTS = [ | ||
[undefined, 200, "", APPLICATION_JSON, {}], | ||
[{ status: 400 }, 400, "", APPLICATION_JSON, {}], | ||
[{ statusText: "foo" }, 200, "foo", APPLICATION_JSON, {}], | ||
[{ headers: {} }, 200, "", APPLICATION_JSON, {}], | ||
[{ headers: { "content-type": FOO_BAR } }, 200, "", FOO_BAR, {}], | ||
[{ headers: { "x-foo": "bar" } }, 200, "", APPLICATION_JSON, { "x-foo": "bar" }], | ||
]; | ||
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for (const [init, expectedStatus, expectedStatusText, expectedContentType, expectedHeaders] of INIT_TESTS) { | ||
promise_test(async function () { | ||
const response = Response.json("hello world", init); | ||
assert_equals(response.type, "default", "Response's type is default"); | ||
assert_equals(response.status, expectedStatus, "Response's status is " + expectedStatus); | ||
assert_equals(response.statusText, expectedStatusText, "Response's statusText is " + JSON.stringify(expectedStatusText)); | ||
assert_equals(response.headers.get("content-type"), expectedContentType, "Response's content-type is " + expectedContentType); | ||
for (const key in expectedHeaders) { | ||
assert_equals(response.headers.get(key), expectedHeaders[key], "Response's header " + key + " is " + JSON.stringify(expectedHeaders[key])); | ||
} | ||
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const data = await response.json(); | ||
assert_equals(data, "hello world", "Response's body is 'hello world'"); | ||
}, `Check response returned by static json() with init ${JSON.stringify(init)}`); | ||
} | ||
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const nullBodyStatus = [204, 205, 304]; | ||
for (const status of nullBodyStatus) { | ||
test(function () { | ||
assert_throws_js( | ||
TypeError, | ||
function () { | ||
Response.json("hello world", { status: status }); | ||
}, | ||
); | ||
}, `Throws TypeError when calling static json() with a status of ${status}`); | ||
} | ||
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promise_test(async function () { | ||
const response = Response.json({ foo: "bar" }); | ||
const data = await response.json(); | ||
assert_equals(typeof data, "object", "Response's json body is an object"); | ||
assert_equals(data.foo, "bar", "Response's json body is { foo: 'bar' }"); | ||
}, "Check static json() encodes JSON objects correctly"); | ||
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test(function () { | ||
assert_throws_js( | ||
TypeError, | ||
function () { | ||
Response.json(Symbol("foo")); | ||
}, | ||
); | ||
}, "Check static json() throws when data is not encodable"); | ||
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test(function () { | ||
const a = { b: 1 }; | ||
a.a = a; | ||
assert_throws_js( | ||
TypeError, | ||
function () { | ||
Response.json(a); | ||
}, | ||
); | ||
}, "Check static json() throws when data is circular"); | ||
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promise_test(async function () { | ||
class CustomError extends Error { | ||
name = "CustomError"; | ||
} | ||
assert_throws_js( | ||
CustomError, | ||
function () { | ||
Response.json({ get foo() { throw new CustomError("bar") }}); | ||
} | ||
) | ||
}, "Check static json() propagates JSON serializer errors"); |