Download web payment manifests.

components/payments/payment_manifest_downloader_test.cc

Index: components/payments/payment_manifest_downloader_test.cc
diff --git a/components/payments/payment_manifest_downloader_test.cc b/components/payments/payment_manifest_downloader_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..88cfbad2eb0770b236d4fa599982a84c9caa4191
--- /dev/null
+++ b/components/payments/payment_manifest_downloader_test.cc
@@ -0,0 +1,207 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/payments/payment_manifest_downloader.h"
+
+#include "base/macros.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "net/http/http_response_headers.h"
+#include "net/url_request/test_url_fetcher_factory.h"
+#include "net/url_request/url_fetcher.h"
+#include "net/url_request/url_request_test_util.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+namespace payments {
+namespace {
+
+class PaymentManifestDownloaderTest
+    : public testing::Test,
+      public PaymentManifestDownloader::Delegate {
+ public:
+  PaymentManifestDownloaderTest()
+      : context_(new net::TestURLRequestContextGetter(
+            base::ThreadTaskRunnerHandle::Get())),
+        downloader_(context_, GURL("https://bobpay.com"), this) {
+    downloader_.Download();
+  }
+
+  ~PaymentManifestDownloaderTest() override {}
+
+  // PaymentManifestDownloader::Delegate
+  MOCK_METHOD1(OnManifestDownloadSuccess, void(const std::string& content));
+  MOCK_METHOD0(OnManifestDownloadFailure, void());
+
+  net::TestURLFetcher* fetcher() { return factory_.GetFetcherByID(0); }
+
+ private:
+  content::TestBrowserThreadBundle thread_bundle_;
+  net::TestURLFetcherFactory factory_;
+  scoped_refptr<net::TestURLRequestContextGetter> context_;
+  PaymentManifestDownloader downloader_;
+
+  DISALLOW_COPY_AND_ASSIGN(PaymentManifestDownloaderTest);
+};
+
+TEST_F(PaymentManifestDownloaderTest, HttpHeadResponse404IsFailure) {
+  fetcher()->set_response_code(404);
+
+  EXPECT_CALL(*this, OnManifestDownloadFailure());
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, NoHttpHeadersIsFailure) {
+  fetcher()->set_response_code(200);
+
+  EXPECT_CALL(*this, OnManifestDownloadFailure());
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, EmptyHttpHeaderIsFailure) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+
+  EXPECT_CALL(*this, OnManifestDownloadFailure());
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, EmptyHttpLinkHeaderIsFailure) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader("Link:");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+
+  EXPECT_CALL(*this, OnManifestDownloadFailure());
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, NoRelInHttpLinkHeaderIsFailure) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader("Link: <manifest.json>");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+
+  EXPECT_CALL(*this, OnManifestDownloadFailure());
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, NoUrlInHttpLinkHeaderIsFailure) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader("Link: rel=payment-method-manifest");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+
+  EXPECT_CALL(*this, OnManifestDownloadFailure());
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, NoManifestRellInHttpLinkHeaderIsFailure) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader("Link: <manifest.json>; rel=web-app-manifest");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+
+  EXPECT_CALL(*this, OnManifestDownloadFailure());
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, HttpGetResponse404IsFailure) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader("Link: <manifest.json>; rel=payment-method-manifest");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+  fetcher()->set_response_code(404);
+
+  EXPECT_CALL(*this, OnManifestDownloadFailure());
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, EmptyHttpGetResponseIsFailure) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader("Link: <manifest.json>; rel=payment-method-manifest");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+  fetcher()->set_response_code(200);
+
+  EXPECT_CALL(*this, OnManifestDownloadFailure());
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, NonEmptyHttpGetResponseIsSuccess) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader("Link: <manifest.json>; rel=payment-method-manifest");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+  fetcher()->SetResponseString("manifest content");
+  fetcher()->set_response_code(200);
+
+  EXPECT_CALL(*this, OnManifestDownloadSuccess("manifest content"));
+
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+}
+
+TEST_F(PaymentManifestDownloaderTest, RelativeHttpHeaderLinkUrl) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader("Link: <manifest.json>; rel=payment-method-manifest");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+
+  EXPECT_EQ("https://bobpay.com/manifest.json",
+            fetcher()->GetOriginalURL().spec());
+}
+
+TEST_F(PaymentManifestDownloaderTest, AbsoluteHttpsHeaderLinkUrl) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader(
+      "Link: <https://alicepay.com/manifest.json>; "
+      "rel=payment-method-manifest");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+
+  EXPECT_EQ("https://alicepay.com/manifest.json",
+            fetcher()->GetOriginalURL().spec());
+}
+
+TEST_F(PaymentManifestDownloaderTest, AbsoluteHttpHeaderLinkUrl) {
+  scoped_refptr<net::HttpResponseHeaders> headers(
+      new net::HttpResponseHeaders(std::string()));
+  headers->AddHeader(
+      "Link: <http://alicepay.com/manifest.json>; "
+      "rel=payment-method-manifest");
+  fetcher()->set_response_headers(headers);
+  fetcher()->set_response_code(200);
+  fetcher()->delegate()->OnURLFetchComplete(fetcher());
+
+  EXPECT_EQ("https://bobpay.com/", fetcher()->GetOriginalURL().spec());
+}
+
+}  // namespace
+}  // namespace payments