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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/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 }
    100