Upstream: Add additional checks before creating a WebAPK after clicking "Add to Homescreen"

chrome/browser/banners/webapp_manifest_validator_unittest.cc

+// Copyright 2015 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 "chrome/browser/banners/webapp_manifest_validator.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "content/public/common/manifest.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/WebKit/public/platform/WebDisplayMode.h"
+
+namespace banners {
+
+class WebappManifestValidatorUnitTest : public testing::Test {
+ public:
+  WebappManifestValidatorUnitTest() { }
+
+  protected:
+   static base::NullableString16 ToNullableUTF16(const std::string& str) {
+     return base::NullableString16(base::UTF8ToUTF16(str), false);
+   }
+
+   static content::Manifest GetValidManifest() {
+     content::Manifest manifest;
+     manifest.name = ToNullableUTF16("foo");
+     manifest.short_name = ToNullableUTF16("bar");
+     manifest.start_url = GURL("http://example.com");
+     manifest.display = blink::WebDisplayModeStandalone;
+
+     content::Manifest::Icon icon;
+     icon.type = ToNullableUTF16("image/png");
+     icon.sizes.push_back(gfx::Size(144, 144));
+     manifest.icons.push_back(icon);
+
+     return manifest;
+  }
+
+  static bool IsManifestGood(const content::Manifest& manifest) {
+    // The second argument is the web_contents pointer, which is used for
+    // developer debug logging to the console. The logging is skipped inside the
+    // method if a null web_contents pointer is provided, so this is safe.
+    // The third argument is the is_debug_mode boolean value, which is true only
+    // when it is triggered by the developer's action in DevTools.
+    OutputDeveloperMessageCode code = OutputDeveloperMessageCode::kNone;
+    return webapp_manifest_validator::IsManifestGoodForWebapp(manifest, &code);
+  }
+};
+
+TEST_F(WebappManifestValidatorUnitTest, EmptyManifestIsInvalid) {
+  content::Manifest manifest;
+  EXPECT_FALSE(IsManifestGood(manifest));
+}
+
+TEST_F(WebappManifestValidatorUnitTest, CheckMinimalValidManifest) {
+  content::Manifest manifest = GetValidManifest();
+  EXPECT_TRUE(IsManifestGood(manifest));
+}
+
+TEST_F(WebappManifestValidatorUnitTest, ManifestRequiresNameORShortName) {
+  content::Manifest manifest = GetValidManifest();
+
+  manifest.name = base::NullableString16();
+  EXPECT_TRUE(IsManifestGood(manifest));
+
+  manifest.name = ToNullableUTF16("foo");
+  manifest.short_name = base::NullableString16();
+  EXPECT_TRUE(IsManifestGood(manifest));
+
+  manifest.name = base::NullableString16();
+  EXPECT_FALSE(IsManifestGood(manifest));
+}
+
+TEST_F(WebappManifestValidatorUnitTest,
+       ManifestRequiresNonEmptyNameORShortName) {
+  content::Manifest manifest = GetValidManifest();
+
+  manifest.name = ToNullableUTF16("");
+  EXPECT_TRUE(IsManifestGood(manifest));
+
+  manifest.name = ToNullableUTF16("foo");
+  manifest.short_name = ToNullableUTF16("");
+  EXPECT_TRUE(IsManifestGood(manifest));
+
+  manifest.name = ToNullableUTF16("");
+  EXPECT_FALSE(IsManifestGood(manifest));
+}
+
+TEST_F(WebappManifestValidatorUnitTest, ManifestRequiresValidStartURL) {
+  content::Manifest manifest = GetValidManifest();
+
+  manifest.start_url = GURL();
+  EXPECT_FALSE(IsManifestGood(manifest));
+
+  manifest.start_url = GURL("/");
+  EXPECT_FALSE(IsManifestGood(manifest));
+}
+
+TEST_F(WebappManifestValidatorUnitTest, ManifestRequiresImagePNG) {
+  content::Manifest manifest = GetValidManifest();
+
+  manifest.icons[0].type = ToNullableUTF16("image/gif");
+  EXPECT_FALSE(IsManifestGood(manifest));
+  manifest.icons[0].type = base::NullableString16();
+  EXPECT_FALSE(IsManifestGood(manifest));
+}
+
+TEST_F(WebappManifestValidatorUnitTest, ManifestRequiresMinimalSize) {
+  content::Manifest manifest = GetValidManifest();
+
+  // The icon MUST be 144x144 size at least.
+  manifest.icons[0].sizes[0] = gfx::Size(1, 1);
+  EXPECT_FALSE(IsManifestGood(manifest));
+
+  // If one of the sizes match the requirement, it should be accepted.
+  manifest.icons[0].sizes.push_back(gfx::Size(144, 144));
+  EXPECT_TRUE(IsManifestGood(manifest));
+
+  // Higher than the required size is okay.
+  manifest.icons[0].sizes[1] = gfx::Size(200, 200);
+  EXPECT_TRUE(IsManifestGood(manifest));
+
+  // Non-square is okay.
+  manifest.icons[0].sizes[1] = gfx::Size(144, 200);
+  EXPECT_TRUE(IsManifestGood(manifest));
+
+  // The representation of the keyword 'any' should be recognized.
+  manifest.icons[0].sizes[1] = gfx::Size(0, 0);
+  EXPECT_TRUE(IsManifestGood(manifest));
+}
+
+TEST_F(WebappManifestValidatorUnitTest, ManifestDisplayStandaloneFullscreen) {
+  content::Manifest manifest = GetValidManifest();
+
+  manifest.display = blink::WebDisplayModeUndefined;
+  EXPECT_FALSE(IsManifestGood(manifest));
+
+  manifest.display = blink::WebDisplayModeBrowser;
+  EXPECT_FALSE(IsManifestGood(manifest));
+
+  manifest.display = blink::WebDisplayModeMinimalUi;
+  EXPECT_FALSE(IsManifestGood(manifest));
+
+  manifest.display = blink::WebDisplayModeStandalone;
+  EXPECT_TRUE(IsManifestGood(manifest));
+
+  manifest.display = blink::WebDisplayModeFullscreen;
+  EXPECT_TRUE(IsManifestGood(manifest));
+}
+
+} // namespace banners