1 files changed, 346 insertions, 0 deletions
diff --git a/dom/tests/mochitest/fetch/test_response.js b/dom/tests/mochitest/fetch/test_response.js
new file mode 100644
index 0000000000..40a124bfc0
--- /dev/null
+++ b/dom/tests/mochitest/fetch/test_response.js
@@ -0,0 +1,346 @@
+function testDefaultCtor() {
+  var res = new Response();
+  is(res.type, "default", "Default Response type is default");
+  ok(
+    res.headers instanceof Headers,
+    "Response should have non-null Headers object"
+  );
+  is(res.url, "", "URL should be empty string");
+  is(res.status, 200, "Default status is 200");
+  is(res.statusText, "", "Default statusText is an empty string");
+}
+
+function testClone() {
+  var orig = new Response("This is a body", {
+    status: 404,
+    statusText: "Not Found",
+    headers: { "Content-Length": 5 },
+  });
+  var clone = orig.clone();
+  is(clone.status, 404, "Response status is 404");
+  is(clone.statusText, "Not Found", "Response statusText is POST");
+  ok(
+    clone.headers instanceof Headers,
+    "Response should have non-null Headers object"
+  );
+
+  is(
+    clone.headers.get("content-length"),
+    "5",
+    "Response content-length should be 5."
+  );
+  orig.headers.set("content-length", 6);
+  is(
+    clone.headers.get("content-length"),
+    "5",
+    "Response content-length should be 5."
+  );
+
+  ok(!orig.bodyUsed, "Original body is not consumed.");
+  ok(!clone.bodyUsed, "Clone body is not consumed.");
+
+  var origBody = null;
+  var clone2 = null;
+  return orig
+    .text()
+    .then(function (body) {
+      origBody = body;
+      is(origBody, "This is a body", "Original body string matches");
+      ok(orig.bodyUsed, "Original body is consumed.");
+      ok(!clone.bodyUsed, "Clone body is not consumed.");
+
+      try {
+        orig.clone();
+        ok(false, "Cannot clone Response whose body is already consumed");
+      } catch (e) {
+        is(
+          e.name,
+          "TypeError",
+          "clone() of consumed body should throw TypeError"
+        );
+      }
+
+      clone2 = clone.clone();
+      return clone.text();
+    })
+    .then(function (body) {
+      is(body, origBody, "Clone body matches original body.");
+      ok(clone.bodyUsed, "Clone body is consumed.");
+
+      try {
+        clone.clone();
+        ok(false, "Cannot clone Response whose body is already consumed");
+      } catch (e) {
+        is(
+          e.name,
+          "TypeError",
+          "clone() of consumed body should throw TypeError"
+        );
+      }
+
+      return clone2.text();
+    })
+    .then(function (body) {
+      is(body, origBody, "Clone body matches original body.");
+      ok(clone2.bodyUsed, "Clone body is consumed.");
+
+      try {
+        clone2.clone();
+        ok(false, "Cannot clone Response whose body is already consumed");
+      } catch (e) {
+        is(
+          e.name,
+          "TypeError",
+          "clone() of consumed body should throw TypeError"
+        );
+      }
+    });
+}
+
+function testCloneUnfiltered() {
+  var url =
+    "http://example.com/tests/dom/security/test/cors/file_CrossSiteXHR_server.sjs?status=200";
+  return fetch(url, { mode: "no-cors" }).then(function (response) {
+    // By default the chrome-only function should not be available.
+    is(response.type, "opaque", "response should be opaque");
+    is(
+      response.cloneUnfiltered,
+      undefined,
+      "response.cloneUnfiltered should be undefined"
+    );
+
+    // When the test is run in a worker context we can't actually try to use
+    // the chrome-only function.  SpecialPowers is not defined.
+    if (typeof SpecialPowers !== "object") {
+      return;
+    }
+
+    // With a chrome code, however, should be able to get an unfiltered response.
+    var chromeResponse = SpecialPowers.wrap(response);
+    is(
+      typeof chromeResponse.cloneUnfiltered,
+      "function",
+      "chromeResponse.cloneFiltered should be a function"
+    );
+    var unfiltered = chromeResponse.cloneUnfiltered();
+    is(unfiltered.type, "default", "unfiltered response should be default");
+    is(unfiltered.status, 200, "unfiltered response should have 200 status");
+  });
+}
+
+function testError() {
+  var res = Response.error();
+  is(res.status, 0, "Error response status should be 0");
+  try {
+    res.headers.set("someheader", "not allowed");
+    ok(false, "Error response should have immutable headers");
+  } catch (e) {
+    ok(true, "Error response should have immutable headers");
+  }
+}
+
+function testRedirect() {
+  var res = Response.redirect("./redirect.response");
+  is(res.status, 302, "Default redirect has status code 302");
+  is(res.statusText, "", "Default redirect has status text empty");
+  var h = res.headers.get("location");
+  ok(
+    h === new URL("./redirect.response", self.location.href).href,
+    "Location header should be correct absolute URL"
+  );
+  try {
+    res.headers.set("someheader", "not allowed");
+    ok(false, "Redirects should have immutable headers");
+  } catch (e) {
+    ok(true, "Redirects should have immutable headers");
+  }
+
+  var successStatus = [301, 302, 303, 307, 308];
+  for (var i = 0; i < successStatus.length; ++i) {
+    var res = Response.redirect("./redirect.response", successStatus[i]);
+    is(res.status, successStatus[i], "Status code should match");
+  }
+
+  var failStatus = [300, 0, 304, 305, 306, 309, 500];
+  for (var i = 0; i < failStatus.length; ++i) {
+    try {
+      var res = Response.redirect(".", failStatus[i]);
+      ok(false, "Invalid status code should fail " + failStatus[i]);
+    } catch (e) {
+      is(
+        e.name,
+        "RangeError",
+        "Invalid status code should fail " + failStatus[i]
+      );
+    }
+  }
+}
+
+function testOk() {
+  var r1 = new Response("", { status: 200 });
+  ok(r1.ok, "Response with status 200 should have ok true");
+
+  var r2 = new Response(undefined, { status: 204 });
+  ok(r2.ok, "Response with status 204 should have ok true");
+
+  var r3 = new Response("", { status: 299 });
+  ok(r3.ok, "Response with status 299 should have ok true");
+
+  var r4 = new Response("", { status: 302 });
+  ok(!r4.ok, "Response with status 302 should have ok false");
+}
+
+function testBodyUsed() {
+  var res = new Response("Sample body");
+  ok(!res.bodyUsed, "bodyUsed is initially false.");
+  return res
+    .text()
+    .then(v => {
+      is(v, "Sample body", "Body should match");
+      ok(res.bodyUsed, "After reading body, bodyUsed should be true.");
+    })
+    .then(() => {
+      return res.blob().then(
+        v => {
+          ok(false, "Attempting to read body again should fail.");
+        },
+        e => {
+          ok(true, "Attempting to read body again should fail.");
+        }
+      );
+    });
+}
+
+function testBodyCreation() {
+  var text = "κόσμε";
+  var res1 = new Response(text);
+  var p1 = res1.text().then(function (v) {
+    ok(typeof v === "string", "Should resolve to string");
+    is(text, v, "Extracted string should match");
+  });
+
+  var res2 = new Response(new Uint8Array([72, 101, 108, 108, 111]));
+  var p2 = res2.text().then(function (v) {
+    is("Hello", v, "Extracted string should match");
+  });
+
+  var res2b = new Response(new Uint8Array([72, 101, 108, 108, 111]).buffer);
+  var p2b = res2b.text().then(function (v) {
+    is("Hello", v, "Extracted string should match");
+  });
+
+  var resblob = new Response(new Blob([text]));
+  var pblob = resblob.text().then(function (v) {
+    is(v, text, "Extracted string should match");
+  });
+
+  var params = new URLSearchParams();
+  params.append("item", "Geckos");
+  params.append("feature", "stickyfeet");
+  params.append("quantity", "700");
+  var res3 = new Response(params);
+  var p3 = res3.text().then(function (v) {
+    var extracted = new URLSearchParams(v);
+    is(extracted.get("item"), "Geckos", "Param should match");
+    is(extracted.get("feature"), "stickyfeet", "Param should match");
+    is(extracted.get("quantity"), "700", "Param should match");
+  });
+
+  return Promise.all([p1, p2, p2b, pblob, p3]);
+}
+
+function testBodyExtraction() {
+  var text = "κόσμε";
+  var newRes = function () {
+    return new Response(text);
+  };
+  return newRes()
+    .text()
+    .then(function (v) {
+      ok(typeof v === "string", "Should resolve to string");
+      is(text, v, "Extracted string should match");
+    })
+    .then(function () {
+      return newRes()
+        .blob()
+        .then(function (v) {
+          ok(v instanceof Blob, "Should resolve to Blob");
+          return readAsText(v).then(function (result) {
+            is(result, text, "Decoded Blob should match original");
+          });
+        });
+    })
+    .then(function () {
+      return newRes()
+        .json()
+        .then(
+          function (v) {
+            ok(false, "Invalid json should reject");
+          },
+          function (e) {
+            ok(true, "Invalid json should reject");
+          }
+        );
+    })
+    .then(function () {
+      return newRes()
+        .arrayBuffer()
+        .then(function (v) {
+          ok(v instanceof ArrayBuffer, "Should resolve to ArrayBuffer");
+          var dec = new TextDecoder();
+          is(
+            dec.decode(new Uint8Array(v)),
+            text,
+            "UTF-8 decoded ArrayBuffer should match original"
+          );
+        });
+    });
+}
+
+function testNullBodyStatus() {
+  [204, 205, 304].forEach(function (status) {
+    try {
+      var res = new Response(new Blob(), { status });
+      ok(
+        false,
+        "Response body provided but status code does not permit a body"
+      );
+    } catch (e) {
+      ok(true, "Response body provided but status code does not permit a body");
+    }
+  });
+
+  [204, 205, 304].forEach(function (status) {
+    try {
+      var res = new Response(undefined, { status });
+      ok(true, "Response body provided but status code does not permit a body");
+    } catch (e) {
+      ok(
+        false,
+        "Response body provided but status code does not permit a body"
+      );
+    }
+  });
+}
+
+function runTest() {
+  testDefaultCtor();
+  testError();
+  testRedirect();
+  testOk();
+  testNullBodyStatus();
+
+  return (
+    Promise.resolve()
+      .then(testBodyCreation)
+      .then(testBodyUsed)
+      .then(testBodyExtraction)
+      .then(testClone)
+      .then(testCloneUnfiltered)
+      // Put more promise based tests here.
+      .catch(function (e) {
+        dump("### ### " + e + "\n");
+        ok(false, "got unexpected error!");
+      })
+  );
+}