src/chrome/browser/ui/tests/elide_url_unittest.cc

   1 // Copyright 2014 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 "chrome/browser/ui/elide_url.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9 #include "ui/gfx/font_list.h"
  10 #include "ui/gfx/text_elider.h"
  11 #include "ui/gfx/text_utils.h"
  12 #include "url/gurl.h"
  13
  14 using base::UTF8ToUTF16;
  15 using gfx::GetStringWidthF;
  16 using gfx::kEllipsis;
  17
  18 namespace {
  19
  20 struct Testcase {
  21   const std::string input;
  22   const std::string output;
  23 };
  24
  25 void RunUrlTest(Testcase* testcases, size_t num_testcases) {
  26   static const gfx::FontList font_list;
  27   for (size_t i = 0; i < num_testcases; ++i) {
  28     const GURL url(testcases[i].input);
  29     // Should we test with non-empty language list?
  30     // That's kinda redundant with net_util_unittests.
  31     const float available_width =
  32         GetStringWidthF(UTF8ToUTF16(testcases[i].output), font_list);
  33     EXPECT_EQ(UTF8ToUTF16(testcases[i].output),
  34               ElideUrl(url, font_list, available_width, std::string()));
  35   }
  36 }
  37
  38 // Test eliding of commonplace URLs.
  39 TEST(TextEliderTest, TestGeneralEliding) {
  40   const std::string kEllipsisStr(kEllipsis);
  41   Testcase testcases[] = {
  42     {"http://www.google.com/intl/en/ads/",
  43      "www.google.com/intl/en/ads/"},
  44     {"http://www.google.com/intl/en/ads/", "www.google.com/intl/en/ads/"},
  45     {"http://www.google.com/intl/en/ads/",
  46      "google.com/intl/" + kEllipsisStr + "/ads/"},
  47     {"http://www.google.com/intl/en/ads/",
  48      "google.com/" + kEllipsisStr + "/ads/"},
  49     {"http://www.google.com/intl/en/ads/", "google.com/" + kEllipsisStr},
  50     {"http://www.google.com/intl/en/ads/", "goog" + kEllipsisStr},
  51     {"https://subdomain.foo.com/bar/filename.html",
  52      "subdomain.foo.com/bar/filename.html"},
  53     {"https://subdomain.foo.com/bar/filename.html",
  54      "subdomain.foo.com/" + kEllipsisStr + "/filename.html"},
  55     {"http://subdomain.foo.com/bar/filename.html",
  56      kEllipsisStr + "foo.com/" + kEllipsisStr + "/filename.html"},
  57     {"http://www.google.com/intl/en/ads/?aLongQueryWhichIsNotRequired",
  58      "www.google.com/intl/en/ads/?aLongQ" + kEllipsisStr},
  59   };
  60
  61   RunUrlTest(testcases, arraysize(testcases));
  62 }
  63
  64 // When there is very little space available, the elision code will shorten
  65 // both path AND file name to an ellipsis - ".../...". To avoid this result,
  66 // there is a hack in place that simply treats them as one string in this
  67 // case.
  68 TEST(TextEliderTest, TestTrailingEllipsisSlashEllipsisHack) {
  69   const std::string kEllipsisStr(kEllipsis);
  70
  71   // Very little space, would cause double ellipsis.
  72   gfx::FontList font_list;
  73   GURL url("http://battersbox.com/directory/foo/peter_paul_and_mary.html");
  74   float available_width = GetStringWidthF(
  75       UTF8ToUTF16("battersbox.com/" + kEllipsisStr + "/" + kEllipsisStr),
  76       font_list);
  77
  78   // Create the expected string, after elision. Depending on font size, the
  79   // directory might become /dir... or /di... or/d... - it never should be
  80   // shorter than that. (If it is, the font considers d... to be longer
  81   // than .../... -  that should never happen).
  82   ASSERT_GT(GetStringWidthF(UTF8ToUTF16(kEllipsisStr + "/" + kEllipsisStr),
  83                             font_list),
  84             GetStringWidthF(UTF8ToUTF16("d" + kEllipsisStr), font_list));
  85   GURL long_url("http://battersbox.com/directorynameisreallylongtoforcetrunc");
  86   base::string16 expected =
  87       ElideUrl(long_url, font_list, available_width, std::string());
  88   // Ensure that the expected result still contains part of the directory name.
  89   ASSERT_GT(expected.length(), std::string("battersbox.com/d").length());
  90   EXPECT_EQ(expected,
  91              ElideUrl(url, font_list, available_width, std::string()));
  92
  93   // More space available - elide directories, partially elide filename.
  94   Testcase testcases[] = {
  95     {"http://battersbox.com/directory/foo/peter_paul_and_mary.html",
  96      "battersbox.com/" + kEllipsisStr + "/peter" + kEllipsisStr},
  97   };
  98   RunUrlTest(testcases, arraysize(testcases));
  99 }
 100
 101 // Test eliding of empty strings, URLs with ports, passwords, queries, etc.
 102 TEST(TextEliderTest, TestMoreEliding) {
 103   const std::string kEllipsisStr(kEllipsis);
 104   Testcase testcases[] = {
 105     {"http://www.google.com/foo?bar", "www.google.com/foo?bar"},
 106     {"http://xyz.google.com/foo?bar", "xyz.google.com/foo?" + kEllipsisStr},
 107     {"http://xyz.google.com/foo?bar", "xyz.google.com/foo" + kEllipsisStr},
 108     {"http://xyz.google.com/foo?bar", "xyz.google.com/fo" + kEllipsisStr},
 109     {"http://a.b.com/pathname/c?d", "a.b.com/" + kEllipsisStr + "/c?d"},
 110     {"", ""},
 111     {"http://foo.bar..example.com...hello/test/filename.html",
 112      "foo.bar..example.com...hello/" + kEllipsisStr + "/filename.html"},
 113     {"http://foo.bar../", "foo.bar.."},
 114     {"http://xn--1lq90i.cn/foo", "\xe5\x8c\x97\xe4\xba\xac.cn/foo"},
 115     {"http://me:mypass@secrethost.com:99/foo?bar#baz",
 116      "secrethost.com:99/foo?bar#baz"},
 117     {"http://me:mypass@ss%xxfdsf.com/foo", "ss%25xxfdsf.com/foo"},
 118     {"mailto:elgoato@elgoato.com", "mailto:elgoato@elgoato.com"},
 119     {"javascript:click(0)", "javascript:click(0)"},
 120     {"https://chess.eecs.berkeley.edu:4430/login/arbitfilename",
 121      "chess.eecs.berkeley.edu:4430/login/arbitfilename"},
 122     {"https://chess.eecs.berkeley.edu:4430/login/arbitfilename",
 123      kEllipsisStr + "berkeley.edu:4430/" + kEllipsisStr + "/arbitfilename"},
 124
 125     // Unescaping.
 126     {"http://www/%E4%BD%A0%E5%A5%BD?q=%E4%BD%A0%E5%A5%BD#\xe4\xbd\xa0",
 127      "www/\xe4\xbd\xa0\xe5\xa5\xbd?q=\xe4\xbd\xa0\xe5\xa5\xbd#\xe4\xbd\xa0"},
 128
 129     // Invalid unescaping for path. The ref will always be valid UTF-8. We don't
 130     // bother to do too many edge cases, since these are handled by the escaper
 131     // unittest.
 132     {"http://www/%E4%A0%E5%A5%BD?q=%E4%BD%A0%E5%A5%BD#\xe4\xbd\xa0",
 133      "www/%E4%A0%E5%A5%BD?q=\xe4\xbd\xa0\xe5\xa5\xbd#\xe4\xbd\xa0"},
 134   };
 135
 136   RunUrlTest(testcases, arraysize(testcases));
 137 }
 138
 139 // Test eliding of file: URLs.
 140 TEST(TextEliderTest, TestFileURLEliding) {
 141   const std::string kEllipsisStr(kEllipsis);
 142   Testcase testcases[] = {
 143     {"file:///C:/path1/path2/path3/filename",
 144      "file:///C:/path1/path2/path3/filename"},
 145     {"file:///C:/path1/path2/path3/filename",
 146      "C:/path1/path2/path3/filename"},
 147 // GURL parses "file:///C:path" differently on windows than it does on posix.
 148 #if defined(OS_WIN)
 149     {"file:///C:path1/path2/path3/filename",
 150      "C:/path1/path2/" + kEllipsisStr + "/filename"},
 151     {"file:///C:path1/path2/path3/filename",
 152      "C:/path1/" + kEllipsisStr + "/filename"},
 153     {"file:///C:path1/path2/path3/filename",
 154      "C:/" + kEllipsisStr + "/filename"},
 155 #endif
 156     {"file://filer/foo/bar/file", "filer/foo/bar/file"},
 157     {"file://filer/foo/bar/file", "filer/foo/" + kEllipsisStr + "/file"},
 158     {"file://filer/foo/bar/file", "filer/" + kEllipsisStr + "/file"},
 159   };
 160
 161   RunUrlTest(testcases, arraysize(testcases));
 162 }
 163
 164 TEST(TextEliderTest, TestHostEliding) {
 165   const std::string kEllipsisStr(kEllipsis);
 166   Testcase testcases[] = {
 167     {"http://google.com", "google.com"},
 168     {"http://subdomain.google.com", kEllipsisStr + ".google.com"},
 169     {"http://reallyreallyreallylongdomainname.com",
 170          "reallyreallyreallylongdomainname.com"},
 171     {"http://a.b.c.d.e.f.com", kEllipsisStr + "f.com"},
 172     {"http://foo", "foo"},
 173     {"http://foo.bar", "foo.bar"},
 174     {"http://subdomain.foo.bar", kEllipsisStr + "in.foo.bar"},
 175 // IOS width calculations are off by a letter from other platforms for
 176 // some strings from other platforms, probably for strings with too
 177 // many kerned letters on the default font set.
 178 #if !defined(OS_IOS)
 179     {"http://subdomain.reallylongdomainname.com",
 180          kEllipsisStr + "ain.reallylongdomainname.com"},
 181     {"http://a.b.c.d.e.f.com", kEllipsisStr + ".e.f.com"},
 182 #endif
 183   };
 184
 185   for (size_t i = 0; i < arraysize(testcases); ++i) {
 186     const float available_width =
 187         GetStringWidthF(UTF8ToUTF16(testcases[i].output), gfx::FontList());
 188     EXPECT_EQ(UTF8ToUTF16(testcases[i].output), ElideHost(
 189         GURL(testcases[i].input), gfx::FontList(), available_width));
 190   }
 191
 192   // Trying to elide to a really short length will still keep the full TLD+1
 193   EXPECT_EQ(base::ASCIIToUTF16("google.com"),
 194             ElideHost(GURL("http://google.com"), gfx::FontList(), 2));
 195   EXPECT_EQ(base::UTF8ToUTF16(kEllipsisStr + ".google.com"),
 196             ElideHost(GURL("http://subdomain.google.com"), gfx::FontList(), 2));
 197   EXPECT_EQ(base::ASCIIToUTF16("foo.bar"),
 198             ElideHost(GURL("http://foo.bar"), gfx::FontList(), 2));
 199 }
 200
 201 }  // namespace