tools/gn/label_unittest.cc

   1 // Copyright (c) 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 "testing/gtest/include/gtest/gtest.h"
   6 #include "tools/gn/err.h"
   7 #include "tools/gn/label.h"
   8 #include "tools/gn/value.h"
   9
  10 namespace {
  11
  12 struct ParseDepStringCase {
  13   const char* cur_dir;
  14   const char* str;
  15   bool success;
  16   const char* expected_dir;
  17   const char* expected_name;
  18   const char* expected_toolchain_dir;
  19   const char* expected_toolchain_name;
  20 };
  21
  22 }  // namespace
  23
  24 TEST(Label, Resolve) {
  25   ParseDepStringCase cases[] = {
  26       // cur         input                        succ   expected dir          name    tc dir    tc name
  27       { "//chrome/", "",                          false, "",                   "",     "",       "" },
  28       { "//chrome/", "/",                         false, "",                   "",     "",       "" },
  29       { "//chrome/", ":",                         false, "",                   "",     "",       "" },
  30       { "//chrome/", "/:",                        false, "",                   "",     "",       "" },
  31       { "//chrome/", "blah",                      true,  "//chrome/blah/",     "blah", "//t/",   "d" },
  32       { "//chrome/", "blah:bar",                  true,  "//chrome/blah/",     "bar",  "//t/",   "d" },
  33       // No single-leading slash.
  34       { "//chrome/", "/chrome:bar",               false, "",                   "",     "",       "" },
  35       // No trailing slash.
  36       { "//chrome/", "/chrome/:bar",              false, "",                   "",     "",       "" },
  37       // Refers to root dir.
  38       { "//chrome/", "//:bar",                    true,  "//",                 "bar",  "//t/",   "d" },
  39       // Implicit directory
  40       { "//chrome/", ":bar",                      true,  "//chrome/",          "bar",  "//t/",   "d" },
  41       { "//chrome/renderer/", ":bar",             true,  "//chrome/renderer/", "bar",  "//t/",   "d" },
  42       // Implicit names.
  43       { "//chrome/", "//base",                    true,  "//base/",            "base", "//t/",   "d" },
  44       { "//chrome/", "//base/i18n",               true,  "//base/i18n/",       "i18n", "//t/",   "d" },
  45       { "//chrome/", "//base/i18n:foo",           true,  "//base/i18n/",       "foo",  "//t/",   "d" },
  46       { "//chrome/", "//",                        false, "",                   "",     "",       "" },
  47       // Toolchain parsing.
  48       { "//chrome/", "//chrome:bar(//t:n)",       true,  "//chrome/",          "bar",  "//t/",   "n" },
  49       { "//chrome/", "//chrome:bar(//t)",         true,  "//chrome/",          "bar",  "//t/",   "t" },
  50       { "//chrome/", "//chrome:bar(//t:)",        true,  "//chrome/",          "bar",  "//t/",   "t" },
  51       { "//chrome/", "//chrome:bar()",            true,  "//chrome/",          "bar",  "//t/",   "d" },
  52       { "//chrome/", "//chrome:bar(foo)",         true,  "//chrome/",          "bar",  "//chrome/foo/", "foo" },
  53       { "//chrome/", "//chrome:bar(:foo)",        true,  "//chrome/",          "bar",  "//chrome/",     "foo" },
  54       // TODO(brettw) it might be nice to make this an error:
  55       //{ "//chrome/", "//chrome:bar())",           false, "",                   "",     "",       "" },
  56       { "//chrome/", "//chrome:bar(//t:bar(tc))", false, "",                   "",     "",       "" },
  57       { "//chrome/", "//chrome:bar(()",           false, "",                   "",     "",       "" },
  58       { "//chrome/", "(t:b)",                     false, "",                   "",     "",       "" },
  59       { "//chrome/", ":bar(//t/b)",               true,  "//chrome/",          "bar",  "//t/b/", "b" },
  60       { "//chrome/", ":bar(/t/b)",                false, "",                   "",     "",       "" },
  61       { "//chrome/", ":bar(t/b)",                 true,  "//chrome/",          "bar",  "//chrome/t/b/", "b" },
  62   };
  63
  64   Label default_toolchain(SourceDir("//t/"), "d");
  65
  66   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); i++) {
  67     const ParseDepStringCase& cur = cases[i];
  68
  69     std::string location, name;
  70     Err err;
  71     Value v(NULL, Value::STRING);
  72     v.string_value() = cur.str;
  73     Label result =
  74         Label::Resolve(SourceDir(cur.cur_dir), default_toolchain, v, &err);
  75     EXPECT_EQ(cur.success, !err.has_error()) << i << " " << cur.str;
  76     if (!err.has_error() && cur.success) {
  77       EXPECT_EQ(cur.expected_dir, result.dir().value())
  78           << i << " " << cur.str;
  79       EXPECT_EQ(cur.expected_name, result.name())
  80           << i << " " << cur.str;
  81       EXPECT_EQ(cur.expected_toolchain_dir,
  82                 result.toolchain_dir().value())
  83           << i << " " << cur.str;
  84       EXPECT_EQ(cur.expected_toolchain_name, result.toolchain_name())
  85           << i << " " << cur.str;
  86     }
  87   }
  88 }