tools/gn/visibility_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 "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 #include "tools/gn/visibility.h"
  10
  11 namespace {
  12
  13 struct VisPatternCase {
  14   const char* input;
  15   bool success;
  16
  17   Visibility::VisPattern::Type type;
  18   const char* dir;
  19   const char* name;
  20 };
  21
  22 }  // namespace
  23
  24 TEST(Visibility, PatternParse) {
  25   SourceDir current_dir("//foo/");
  26   VisPatternCase cases[] = {
  27     // Missing stuff.
  28     { "", false, Visibility::VisPattern::MATCH, "", "" },
  29     { ":", false, Visibility::VisPattern::MATCH, "", "" },
  30     // Normal things.
  31     { ":bar", true, Visibility::VisPattern::MATCH, "//foo/", "bar" },
  32     { "//la:bar", true, Visibility::VisPattern::MATCH, "//la/", "bar" },
  33     { "*", true, Visibility::VisPattern::RECURSIVE_DIRECTORY, "", "" },
  34     { ":*", true, Visibility::VisPattern::DIRECTORY, "//foo/", "" },
  35     { "la:*", true, Visibility::VisPattern::DIRECTORY, "//foo/la/", "" },
  36     { "la/*:*", true, Visibility::VisPattern::RECURSIVE_DIRECTORY,
  37       "//foo/la/", "" },
  38     { "//la:*", true, Visibility::VisPattern::DIRECTORY, "//la/", "" },
  39     { "./*", true, Visibility::VisPattern::RECURSIVE_DIRECTORY, "//foo/", "" },
  40     { "foo/*", true, Visibility::VisPattern::RECURSIVE_DIRECTORY,
  41       "//foo/foo/", "" },
  42     { "//l/*", true, Visibility::VisPattern::RECURSIVE_DIRECTORY, "//l/", "" },
  43     // No toolchains allowed.
  44     { "//foo(//bar)", false, Visibility::VisPattern::MATCH, "", "" },
  45     // Wildcards in invalid places.
  46     { "*foo*:bar", false, Visibility::VisPattern::MATCH, "", "" },
  47     { "foo*:*bar", false, Visibility::VisPattern::MATCH, "", "" },
  48     { "*foo:bar", false, Visibility::VisPattern::MATCH, "", "" },
  49     { "foo:bar*", false, Visibility::VisPattern::MATCH, "", "" },
  50     { "*:*", true, Visibility::VisPattern::RECURSIVE_DIRECTORY, "", "" },
  51   };
  52
  53   for (size_t i = 0; i < arraysize(cases); i++) {
  54     const VisPatternCase& cur = cases[i];
  55     Err err;
  56     Visibility::VisPattern result =
  57         Visibility::GetPattern(current_dir, Value(NULL, cur.input), &err);
  58
  59     EXPECT_EQ(cur.success, !err.has_error()) << i << " " << cur.input;
  60     EXPECT_EQ(cur.type, result.type()) << i << " " << cur.input;
  61     EXPECT_EQ(cur.dir, result.dir().value()) << i << " " << cur.input;
  62     EXPECT_EQ(cur.name, result.name()) << i << " " << cur.input;
  63   }
  64 }
  65
  66 TEST(Visibility, CanSeeMe) {
  67   Value list(NULL, Value::LIST);
  68   list.list_value().push_back(Value(NULL, "//rec/*"));  // Recursive.
  69   list.list_value().push_back(Value(NULL, "//dir:*"));  // One dir.
  70   list.list_value().push_back(Value(NULL, "//my:name"));  // Exact match.
  71
  72   Err err;
  73   Visibility vis;
  74   ASSERT_TRUE(vis.Set(SourceDir("//"), list, &err));
  75
  76   EXPECT_FALSE(vis.CanSeeMe(Label(SourceDir("//random/"), "thing")));
  77   EXPECT_FALSE(vis.CanSeeMe(Label(SourceDir("//my/"), "notname")));
  78
  79   EXPECT_TRUE(vis.CanSeeMe(Label(SourceDir("//my/"), "name")));
  80   EXPECT_TRUE(vis.CanSeeMe(Label(SourceDir("//rec/"), "anything")));
  81   EXPECT_TRUE(vis.CanSeeMe(Label(SourceDir("//rec/a/"), "anything")));
  82   EXPECT_TRUE(vis.CanSeeMe(Label(SourceDir("//rec/b/"), "anything")));
  83   EXPECT_TRUE(vis.CanSeeMe(Label(SourceDir("//dir/"), "anything")));
  84   EXPECT_FALSE(vis.CanSeeMe(Label(SourceDir("//dir/a/"), "anything")));
  85   EXPECT_FALSE(vis.CanSeeMe(Label(SourceDir("//directory/"), "anything")));
  86 }
  87
  88 TEST(Visibility, Public) {
  89   Err err;
  90   Visibility vis;
  91   ASSERT_TRUE(vis.Set(SourceDir("//"), Value(NULL, "*"), &err));
  92
  93   EXPECT_TRUE(vis.CanSeeMe(Label(SourceDir("//random/"), "thing")));
  94   EXPECT_TRUE(vis.CanSeeMe(Label(SourceDir("//"), "")));
  95 }
  96
  97 TEST(Visibility, Private) {
  98   Err err;
  99   Visibility vis;
 100   ASSERT_TRUE(vis.Set(SourceDir("//"), Value(NULL, Value::LIST), &err));
 101
 102   EXPECT_FALSE(vis.CanSeeMe(Label(SourceDir("//random/"), "thing")));
 103   EXPECT_FALSE(vis.CanSeeMe(Label(SourceDir("//"), "")));
 104 }