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      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/filesystem_utils.h"
      8 #include "tools/gn/ninja_helper.h"
      9 #include "tools/gn/settings.h"
     10 #include "tools/gn/target.h"
     11 #include "tools/gn/toolchain.h"
     12 
     13 namespace {
     14 
     15 class HelperSetterUpper {
     16  public:
     17   HelperSetterUpper()
     18       : build_settings(),
     19         toolchain(Label(SourceDir("//"), "tc", SourceDir(), std::string())),
     20         settings(&build_settings, &toolchain, std::string()),
     21         target(&settings,
     22                Label(SourceDir("//tools/gn/"), "name",
     23                      SourceDir(), std::string())) {
     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   Toolchain toolchain;
     35   Settings settings;
     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, GetTargetOutputFile) {
     62   HelperSetterUpper setup;
     63   NinjaHelper helper(&setup.build_settings);
     64   EXPECT_EQ(OutputFile("name.exe"),
     65             helper.GetTargetOutputFile(&setup.target));
     66 
     67   // Static library on Windows goes alongside the object files.
     68   setup.target.set_output_type(Target::STATIC_LIBRARY);
     69   EXPECT_EQ(OutputFile("obj/tools/gn/name.lib"),
     70             helper.GetTargetOutputFile(&setup.target));
     71 
     72   // TODO(brettw) test output to library and other OS types.
     73 }
     74