extensions/browser/file_highlighter_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "extensions/browser/file_highlighter.h"
   6
   7 #include <string>
   8
   9 #include "base/logging.h"
  10 #include "base/strings/string_util.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 namespace extensions {
  14
  15 namespace {
  16
  17 const char kManifest[] =
  18 "{\n"
  19 "  \"name\": \"Content Scripts\",\n"
  20 "  \"version\": \"2.0\",\n"
  21 "  // this is a comment with the word permissions.\n"
  22 "  /* This is a multine\n"
  23 "     comment with the word permissions\n"
  24 "     that shouldn't be highlighted */\n"
  25 "  \"permissions\": [\n"
  26 "    /* This is a tricky comment because it has brackets }]*/\n"
  27 "    \"tabs\"\n"
  28 "  ],\n"
  29 "  \"content_scripts\": [\n"
  30 "    {\n"
  31 "      \"matches\": [\"*://aaronboodman.com/*\", \"*://rdcronin.com/*\"],\n"
  32 "      \"js\": [\"myscript.js\"]\n"
  33 "    }\n"
  34 "  ],\n"
  35 "  \"test_key\": {\n"
  36 "    \"escaped_quoted\\\"\",\n"
  37 "    \"/*foo*/\"\n"
  38 "  },\n"
  39 "  \"manifest_version\": 2,\n"
  40 "  \"international_key\": \"還是不要\"\n"
  41 "}";
  42
  43 }  // namespace
  44
  45 TEST(ManifestHighlighterUnitTest, ManifestHighlighterUnitTest) {
  46   // Get a full key.
  47   const char kPermissionsFeature[] =
  48       "\"permissions\": [\n"
  49       "    /* This is a tricky comment because it has brackets }]*/\n"
  50       "    \"tabs\"\n"
  51       "  ]";
  52   ManifestHighlighter permissions(kManifest, "permissions", EmptyString());
  53   EXPECT_EQ(kPermissionsFeature, permissions.GetFeature());
  54
  55   // Get a specific portion of a key.
  56   const char kTabsFeature[] = "\"tabs\"";
  57   ManifestHighlighter tabs(kManifest, "permissions", "tabs");
  58   EXPECT_EQ(kTabsFeature, tabs.GetFeature());
  59
  60   // Get a single-character, non-quoted entity of a key.
  61   const char kManifestVersionFeature[] = "2";
  62   ManifestHighlighter version(kManifest, "manifest_version", "2");
  63   EXPECT_EQ(kManifestVersionFeature, version.GetFeature());
  64
  65   // Get a compound portion of a key, including quoted '//' (which shouldn't be
  66   // mistaken for comments).
  67   const char kMatchesFeature[] =
  68       "\"matches\": [\"*://aaronboodman.com/*\", \"*://rdcronin.com/*\"]";
  69   ManifestHighlighter matches(kManifest, "content_scripts", "matches");
  70   EXPECT_EQ(kMatchesFeature, matches.GetFeature());
  71
  72   // If a feature isn't present, we should get an empty string.
  73   ManifestHighlighter not_present(kManifest, "a_fake_feature", EmptyString());
  74   EXPECT_EQ(EmptyString(), not_present.GetFeature());
  75
  76   // If we request a specific portion of a key which is not found, we should
  77   // get an empty string.
  78   ManifestHighlighter specific_portion_not_present(
  79       kManifest, "permissions", "a_fake_feature");
  80   EXPECT_EQ(EmptyString(), specific_portion_not_present.GetFeature());
  81
  82   const char kEscapedQuotedFeature[] = "\"escaped_quoted\\\"\"";
  83   ManifestHighlighter escaped_quoted(
  84       kManifest, "test_key", "escaped_quoted\\\"");
  85   EXPECT_EQ(kEscapedQuotedFeature, escaped_quoted.GetFeature());
  86
  87   const char kFeatureWithComment[] = "\"/*foo*/\"";
  88   ManifestHighlighter feature_with_comment(kManifest, "test_key", "/*foo*/");
  89   EXPECT_EQ(kFeatureWithComment, feature_with_comment.GetFeature());
  90
  91   // Check with non-ascii characters.
  92   const char kInternationalFeature[] = "\"international_key\": \"還是不要\"";
  93   ManifestHighlighter international_feature(
  94       kManifest, "international_key", EmptyString());
  95   EXPECT_EQ(kInternationalFeature, international_feature.GetFeature());
  96 }
  97
  98 TEST(SouceHighlighterUnitTest, SourceHighlighterUnitTest) {
  99   const char kBasicSourceFile[] = "line one\nline two\nline three";
 100
 101   SourceHighlighter basic1(kBasicSourceFile, 1u);
 102   EXPECT_EQ("line one", basic1.GetFeature());
 103   SourceHighlighter basic2(kBasicSourceFile, 2u);
 104   EXPECT_EQ("line two", basic2.GetFeature());
 105   SourceHighlighter basic3(kBasicSourceFile, 3u);
 106   EXPECT_EQ("line three", basic3.GetFeature());
 107
 108   const char kNoNewlineSourceFile[] = "thisisonelonglinewithnobreaksinit";
 109
 110   SourceHighlighter full_line(kNoNewlineSourceFile, 1u);
 111   EXPECT_EQ(kNoNewlineSourceFile, full_line.GetFeature());
 112
 113   SourceHighlighter line_zero(kNoNewlineSourceFile, 0u);
 114   EXPECT_EQ(EmptyString(), line_zero.GetFeature());
 115
 116   SourceHighlighter out_of_bounds(kNoNewlineSourceFile, 2u);
 117   EXPECT_EQ(EmptyString(), out_of_bounds.GetFeature());
 118 }
 119
 120 }  // namespace extensions