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      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(NULL, label));
     23     args.push_back(Value(NULL, 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 }
     93