Implement web app definition parsing.

This required moving some code from webkit/glue to
chrome/common/web_apps.cc so that it could rely on
chrome/common/json_schema_validator.h.

BUG=49233
TEST=Convered by unit tests.

Review URL: http://codereview.chromium.org/4979003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@66386 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 190 insertions, 0 deletions

diff --git a/chrome/common/web_apps_unittest.cc b/chrome/common/web_apps_unittest.cc
new file mode 100644
index 0000000..3a6980e
--- /dev/null
+++ b/chrome/common/web_apps_unittest.cc
@@ -0,0 +1,190 @@
+// Copyright (c) 2010 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/common/web_apps.h"
+
+#include "base/file_path.h"
+#include "base/file_util.h"
+#include "base/path_service.h"
+#include "base/scoped_ptr.h"
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/common/chrome_paths.h"
+#include "chrome/common/json_schema_validator.h"
+#include "chrome/common/json_value_serializer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+DictionaryValue* LoadDefinitionFile(const std::string& name) {
+  FilePath path;
+  if (!PathService::Get(chrome::DIR_TEST_DATA, &path)) {
+    ADD_FAILURE() << "Could not get test data dir.";
+    return NULL;
+  }
+
+  path = path.AppendASCII("web_app_info").AppendASCII(name.c_str());
+  if (!file_util::PathExists(path)) {
+    ADD_FAILURE() << "Path does not exist: " << path.value();
+    return NULL;
+  }
+
+  std::string error;
+  JSONFileValueSerializer serializer(path);
+  DictionaryValue* result = static_cast<DictionaryValue*>(
+      serializer.Deserialize(NULL, &error));
+  if (!result) {
+    ADD_FAILURE() << "Error parsing " << name << ": " << error;
+    return NULL;
+  }
+
+  return result;
+}
+
+WebApplicationInfo* ParseFromDefinitionAndExpectSuccess(
+    const std::string& name) {
+  scoped_ptr<DictionaryValue> defintion(LoadDefinitionFile(name));
+  if (!defintion.get())
+    return NULL;
+
+  scoped_ptr<WebApplicationInfo> web_app(new WebApplicationInfo());
+  web_app->manifest_url = GURL("http://example.com/");
+
+  string16 error;
+  if (!web_apps::ParseWebAppFromDefinitionFile(*defintion, web_app.get(),
+                                               &error)) {
+    ADD_FAILURE() << "Error parsing " << name << ": " << UTF16ToUTF8(error);
+    return NULL;
+  }
+
+  return web_app.release();
+}
+
+void ParseFromDefinitionAndExpectFailure(const std::string& name,
+                                         const string16& expected_error) {
+  scoped_ptr<DictionaryValue> definition(LoadDefinitionFile(name));
+  if (!definition.get())
+    return;
+
+  WebApplicationInfo web_app;
+  web_app.manifest_url = GURL("http://example.com/");
+
+  string16 error;
+  if (web_apps::ParseWebAppFromDefinitionFile(*definition, &web_app, &error)) {
+    ADD_FAILURE() << "Expected error parsing " << name
+                  << " but parse succeeded.";
+    return;
+  }
+
+  EXPECT_EQ(UTF16ToUTF8(expected_error), UTF16ToUTF8(error)) << name;
+}
+
+}
+
+TEST(WebAppInfo, ParseFromDefinitionFileErrors) {
+  // Test one definition file with a JSON schema error, just to make sure we're
+  // correctly propagating those. We don't extensively test all the properties
+  // covered by the schema, since we assume JSON schema is working correctly.
+  ParseFromDefinitionAndExpectFailure(
+      "missing_name.json",
+      UTF8ToUTF16(std::string("name: ") +
+                      JSONSchemaValidator::kObjectPropertyIsRequired));
+
+  ParseFromDefinitionAndExpectFailure(
+      "invalid_launch_url.json",
+      UTF8ToUTF16(WebApplicationInfo::kInvalidLaunchURL));
+
+  ParseFromDefinitionAndExpectFailure(
+      "invalid_urls.json",
+      UTF8ToUTF16(
+          JSONSchemaValidator::FormatErrorMessage(
+              WebApplicationInfo::kInvalidURL, "2")));
+}
+
+TEST(WebAppInfo, Minimal) {
+  scoped_ptr<WebApplicationInfo> web_app(
+      ParseFromDefinitionAndExpectSuccess("minimal.json"));
+
+  EXPECT_EQ(UTF8ToUTF16("hello"), web_app->title);
+  EXPECT_EQ(UTF8ToUTF16(""), web_app->description);
+  EXPECT_EQ(GURL("http://example.com/launch_url"), web_app->app_url);
+  EXPECT_EQ(0u, web_app->icons.size());
+  EXPECT_EQ(0u, web_app->urls.size());
+  EXPECT_EQ(0u, web_app->permissions.size());
+  EXPECT_EQ("", web_app->launch_container);
+}
+
+TEST(WebAppInfo, Full) {
+  scoped_ptr<WebApplicationInfo> web_app(
+      ParseFromDefinitionAndExpectSuccess("full.json"));
+
+  EXPECT_EQ(UTF8ToUTF16("hello"), web_app->title);
+  EXPECT_EQ(UTF8ToUTF16("This app is super awesome"), web_app->description);
+  EXPECT_EQ(GURL("http://example.com/launch_url"), web_app->app_url);
+  ASSERT_EQ(1u, web_app->icons.size());
+  EXPECT_EQ("http://example.com/16.png", web_app->icons[0].url.spec());
+  EXPECT_EQ(16, web_app->icons[0].width);
+  EXPECT_EQ(16, web_app->icons[0].height);
+  ASSERT_EQ(2u, web_app->urls.size());
+  EXPECT_EQ("http://example.com/foobar", web_app->urls[0].spec());
+  EXPECT_EQ("http://example.com/baz", web_app->urls[1].spec());
+  ASSERT_EQ(2u, web_app->permissions.size());
+  EXPECT_EQ("geolocation", web_app->permissions[0]);
+  EXPECT_EQ("notifications", web_app->permissions[1]);
+  EXPECT_EQ("panel", web_app->launch_container);
+}
+
+// Tests ParseIconSizes with various input.
+TEST(WebAppInfo, ParseIconSizes) {
+  struct TestData {
+    const char* input;
+    const bool expected_result;
+    const bool is_any;
+    const size_t expected_size_count;
+    const int width1;
+    const int height1;
+    const int width2;
+    const int height2;
+  } data[] = {
+    // Bogus input cases.
+    { "10",         false, false, 0, 0, 0, 0, 0 },
+    { "10 10",      false, false, 0, 0, 0, 0, 0 },
+    { "010",        false, false, 0, 0, 0, 0, 0 },
+    { " 010 ",      false, false, 0, 0, 0, 0, 0 },
+    { " 10x ",      false, false, 0, 0, 0, 0, 0 },
+    { " x10 ",      false, false, 0, 0, 0, 0, 0 },
+    { "any 10x10",  false, false, 0, 0, 0, 0, 0 },
+    { "",           false, false, 0, 0, 0, 0, 0 },
+    { "10ax11",     false, false, 0, 0, 0, 0, 0 },
+
+    // Any.
+    { "any",        true, true, 0, 0, 0, 0, 0 },
+    { " any",       true, true, 0, 0, 0, 0, 0 },
+    { " any ",      true, true, 0, 0, 0, 0, 0 },
+
+    // Sizes.
+    { "10x11",      true, false, 1, 10, 11, 0, 0 },
+    { " 10x11 ",    true, false, 1, 10, 11, 0, 0 },
+    { " 10x11 1x2", true, false, 2, 10, 11, 1, 2 },
+  };
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(data); ++i) {
+    bool is_any;
+    std::vector<gfx::Size> sizes;
+    bool result = web_apps::ParseIconSizes(ASCIIToUTF16(data[i].input), &sizes,
+                                           &is_any);
+    ASSERT_EQ(result, data[i].expected_result);
+    if (result) {
+      ASSERT_EQ(data[i].is_any, is_any);
+      ASSERT_EQ(data[i].expected_size_count, sizes.size());
+      if (sizes.size() > 0) {
+        ASSERT_EQ(data[i].width1, sizes[0].width());
+        ASSERT_EQ(data[i].height1, sizes[0].height());
+      }
+      if (sizes.size() > 1) {
+        ASSERT_EQ(data[i].width2, sizes[1].width());
+        ASSERT_EQ(data[i].height2, sizes[1].height());
+      }
+    }
+  }
+}