tools/gn/function_get_label_info_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/functions.h"
   7 #include "tools/gn/test_with_scope.h"
   8
   9 namespace {
  10
  11 class GetLabelInfoTest : public testing::Test {
  12  public:
  13   GetLabelInfoTest() : testing::Test() {
  14     setup_.scope()->set_source_dir(SourceDir("//src/foo/"));
  15   }
  16
  17   // Convenience wrapper to call GetLabelInfo.
  18   std::string Call(const std::string& label, const std::string& what) {
  19     FunctionCallNode function;
  20
  21     std::vector<Value> args;
  22     args.push_back(Value(nullptr, label));
  23     args.push_back(Value(nullptr, what));
  24
  25     Err err;
  26     Value result = functions::RunGetLabelInfo(setup_.scope(), &function,
  27                                               args, &err);
  28     if (err.has_error()) {
  29       EXPECT_TRUE(result.type() == Value::NONE);
  30       return std::string();
  31     }
  32     return result.string_value();
  33   }
  34
  35  protected:
  36   // Note: TestWithScope's default toolchain is "//toolchain:default" and
  37   // output dir is "//out/Debug".
  38   TestWithScope setup_;
  39 };
  40
  41 }  // namespace
  42
  43 TEST_F(GetLabelInfoTest, BadInput) {
  44   EXPECT_EQ("", Call(":name", "incorrect_value"));
  45   EXPECT_EQ("", Call("", "name"));
  46 }
  47
  48 TEST_F(GetLabelInfoTest, Name) {
  49   EXPECT_EQ("name", Call(":name", "name"));
  50   EXPECT_EQ("name", Call("//foo/bar:name", "name"));
  51 }
  52
  53 TEST_F(GetLabelInfoTest, Dir) {
  54   EXPECT_EQ("//src/foo", Call(":name", "dir"));
  55   EXPECT_EQ("//foo/bar", Call("//foo/bar:baz", "dir"));
  56 }
  57
  58 TEST_F(GetLabelInfoTest, RootOutDir) {
  59   EXPECT_EQ("//out/Debug", Call(":name", "root_out_dir"));
  60   EXPECT_EQ("//out/Debug/random",
  61             Call(":name(//toolchain:random)", "root_out_dir"));
  62 }
  63
  64 TEST_F(GetLabelInfoTest, RootGetDir) {
  65   EXPECT_EQ("//out/Debug/gen", Call(":name", "root_gen_dir"));
  66   EXPECT_EQ("//out/Debug/random/gen",
  67             Call(":name(//toolchain:random)", "root_gen_dir"));
  68 }
  69
  70 TEST_F(GetLabelInfoTest, TargetOutDir) {
  71   EXPECT_EQ("//out/Debug/obj/src/foo", Call(":name", "target_out_dir"));
  72   EXPECT_EQ("//out/Debug", Call(":name", "root_out_dir"));
  73 }
  74
  75 TEST_F(GetLabelInfoTest, LabelNoToolchain) {
  76   EXPECT_EQ("//src/foo:name", Call(":name", "label_no_toolchain"));
  77   EXPECT_EQ("//src/foo:name",
  78             Call("//src/foo:name(//toolchain:random)", "label_no_toolchain"));
  79 }
  80
  81 TEST_F(GetLabelInfoTest, LabelWithToolchain) {
  82   EXPECT_EQ("//src/foo:name(//toolchain:default)",
  83             Call(":name", "label_with_toolchain"));
  84   EXPECT_EQ("//src/foo:name(//toolchain:random)",
  85             Call(":name(//toolchain:random)", "label_with_toolchain"));
  86 }
  87
  88 TEST_F(GetLabelInfoTest, Toolchain) {
  89   EXPECT_EQ("//toolchain:default", Call(":name", "toolchain"));
  90   EXPECT_EQ("//toolchain:random",
  91             Call(":name(//toolchain:random)", "toolchain"));
  92 }