src/tools/gn/ninja_helper_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
   7 #include "tools/gn/build_settings.h"
   8 #include "tools/gn/filesystem_utils.h"
   9 #include "tools/gn/ninja_helper.h"
  10 #include "tools/gn/settings.h"
  11 #include "tools/gn/target.h"
  12 #include "tools/gn/toolchain.h"
  13
  14 namespace {
  15
  16 class HelperSetterUpper {
  17  public:
  18   HelperSetterUpper()
  19       : build_settings(),
  20         settings(&build_settings, std::string()),
  21         toolchain(&settings, Label(SourceDir("//"), "tc")),
  22         target(&settings, Label(SourceDir("//tools/gn/"), "name")) {
  23     settings.set_toolchain_label(toolchain.label());
  24     settings.set_target_os(Settings::WIN);
  25
  26     // Output going to "out/Debug".
  27     build_settings.SetBuildDir(SourceDir("//out/Debug/"));
  28
  29     // Our source target is in "tools/gn".
  30     target.set_output_type(Target::EXECUTABLE);
  31   }
  32
  33   BuildSettings build_settings;
  34   Settings settings;
  35   Toolchain toolchain;
  36   Target target;
  37 };
  38
  39 }  // namespace
  40
  41 TEST(NinjaHelper, GetNinjaFileForTarget) {
  42   HelperSetterUpper setup;
  43   NinjaHelper helper(&setup.build_settings);
  44
  45   // Default toolchain.
  46   EXPECT_EQ(OutputFile("obj/tools/gn/name.ninja").value(),
  47             helper.GetNinjaFileForTarget(&setup.target).value());
  48 }
  49
  50 TEST(NinjaHelper, GetOutputFileForSource) {
  51   HelperSetterUpper setup;
  52   NinjaHelper helper(&setup.build_settings);
  53
  54   // On Windows, expect ".obj"
  55   EXPECT_EQ(OutputFile("obj/tools/gn/name.foo.obj").value(),
  56             helper.GetOutputFileForSource(&setup.target,
  57                                           SourceFile("//tools/gn/foo.cc"),
  58                                           SOURCE_CC).value());
  59 }
  60
  61 TEST(NinjaHelper, GetOutputFileForObject) {
  62   HelperSetterUpper setup;
  63   NinjaHelper helper(&setup.build_settings);
  64
  65   EXPECT_EQ(OutputFile("../../tools/gn/foo.o").value(),
  66             helper.GetOutputFileForSource(&setup.target,
  67                                           SourceFile("//tools/gn/foo.o"),
  68                                           SOURCE_O).value());
  69
  70   EXPECT_EQ(OutputFile("../../tools/gn/foo.obj").value(),
  71             helper.GetOutputFileForSource(&setup.target,
  72                                           SourceFile("//tools/gn/foo.obj"),
  73                                           SOURCE_O).value());
  74
  75   EXPECT_EQ(OutputFile("nested/foo.o").value(),
  76             helper.GetOutputFileForSource(
  77                 &setup.target,
  78                 SourceFile("//out/Debug/nested/foo.o"),
  79                 SOURCE_O).value());
  80
  81   EXPECT_EQ(OutputFile("/abs/rooted/foo.o").value(),
  82             helper.GetOutputFileForSource(&setup.target,
  83                                           SourceFile("/abs/rooted/foo.o"),
  84                                           SOURCE_O).value());
  85 }
  86
  87 TEST(NinjaHelper, GetTargetOutputFile) {
  88   HelperSetterUpper setup;
  89   NinjaHelper helper(&setup.build_settings);
  90   EXPECT_EQ(OutputFile("name.exe"),
  91             helper.GetTargetOutputFile(&setup.target));
  92
  93   // Static library on Windows goes alongside the object files.
  94   setup.target.set_output_type(Target::STATIC_LIBRARY);
  95   EXPECT_EQ(OutputFile("obj/tools/gn/name.lib"),
  96             helper.GetTargetOutputFile(&setup.target));
  97
  98   // TODO(brettw) test output to library and other OS types.
  99 }