move src into subdir

1 files changed, 235 insertions, 0 deletions

diff --git a/src/ninja_test.cc b/src/ninja_test.cc
new file mode 100644
index 0000000..12ba93c
--- /dev/null
+++ b/src/ninja_test.cc
@@ -0,0 +1,235 @@
+#include "ninja.h"
+
+#include <gtest/gtest.h>
+
+#include "build.h"
+#include "parsers.h"
+#include "test.h"
+
+void AssertParse(State* state, const char* input) {
+  ManifestParser parser(state, NULL);
+  string err;
+  ASSERT_TRUE(parser.Parse(input, &err)) << err;
+  ASSERT_EQ("", err);
+}
+
+StateTestWithBuiltinRules::StateTestWithBuiltinRules() {
+  AssertParse(&state_,
+"rule cat\n"
+"  command = cat $in > $out\n");
+}
+
+Node* StateTestWithBuiltinRules::GetNode(const string& path) {
+  return state_.GetNode(path);
+}
+
+TEST(State, Basic) {
+  State state;
+  Rule* rule = new Rule("cat");
+  string err;
+  EXPECT_TRUE(rule->ParseCommand("cat $in > $out", &err));
+  ASSERT_EQ("", err);
+  state.AddRule(rule);
+  Edge* edge = state.AddEdge(rule);
+  state.AddInOut(edge, Edge::IN, "in1");
+  state.AddInOut(edge, Edge::IN, "in2");
+  state.AddInOut(edge, Edge::OUT, "out");
+
+  EXPECT_EQ("cat in1 in2 > out", edge->EvaluateCommand());
+
+  EXPECT_FALSE(state.GetNode("in1")->dirty());
+  EXPECT_FALSE(state.GetNode("in2")->dirty());
+  EXPECT_FALSE(state.GetNode("out")->dirty());
+
+  state.stat_cache()->GetFile("in1")->Touch(1);
+  EXPECT_TRUE(state.GetNode("in1")->dirty());
+  EXPECT_FALSE(state.GetNode("in2")->dirty());
+  EXPECT_TRUE(state.GetNode("out")->dirty());
+}
+
+struct TestEnv : public Env {
+  virtual string LookupVariable(const string& var) {
+    return vars[var];
+  }
+  map<string, string> vars;
+};
+TEST(EvalString, PlainText) {
+  EvalString str;
+  string err;
+  EXPECT_TRUE(str.Parse("plain text", &err));
+  EXPECT_EQ("", err);
+  EXPECT_EQ("plain text", str.Evaluate(NULL));
+}
+TEST(EvalString, OneVariable) {
+  EvalString str;
+  string err;
+  EXPECT_TRUE(str.Parse("hi $var", &err));
+  EXPECT_EQ("", err);
+  EXPECT_EQ("hi $var", str.unparsed());
+  TestEnv env;
+  EXPECT_EQ("hi ", str.Evaluate(&env));
+  env.vars["var"] = "there";
+  EXPECT_EQ("hi there", str.Evaluate(&env));
+}
+TEST(EvalString, Error) {
+  EvalString str;
+  string err;
+  EXPECT_FALSE(str.Parse("bad $", &err));
+  EXPECT_EQ("expected variable after $", err);
+}
+TEST(EvalString, Curlies) {
+  EvalString str;
+  string err;
+  EXPECT_TRUE(str.Parse("foo ${var}baz", &err));
+  EXPECT_EQ("", err);
+  TestEnv env;
+  EXPECT_EQ("foo baz", str.Evaluate(&env));
+  env.vars["var"] = "barbar";
+  EXPECT_EQ("foo barbarbaz", str.Evaluate(&env));
+}
+
+struct StatTest : public StateTestWithBuiltinRules,
+                  public DiskInterface {
+  // DiskInterface implementation.
+  virtual int Stat(const string& path);
+  virtual bool MakeDir(const string& path) {
+    assert(false);
+    return false;
+  }
+  virtual string ReadFile(const string& path, string* err) {
+    assert(false);
+    return "";
+  }
+
+  map<string, time_t> mtimes_;
+  vector<string> stats_;
+};
+
+int StatTest::Stat(const string& path) {
+  stats_.push_back(path);
+  map<string, time_t>::iterator i = mtimes_.find(path);
+  if (i == mtimes_.end())
+    return 0;  // File not found.
+  return i->second;
+}
+
+TEST_F(StatTest, Simple) {
+  ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
+"build out: cat in\n"));
+
+  Node* out = GetNode("out");
+  out->file_->Stat(this);
+  ASSERT_EQ(1, stats_.size());
+  Edge* edge = out->in_edge_;
+  edge->RecomputeDirty(NULL, this, NULL);
+  ASSERT_EQ(2, stats_.size());
+  ASSERT_EQ("out", stats_[0]);
+  ASSERT_EQ("in",  stats_[1]);
+}
+
+TEST_F(StatTest, TwoStep) {
+  ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
+"build out: cat mid\n"
+"build mid: cat in\n"));
+
+  Node* out = GetNode("out");
+  out->file_->Stat(this);
+  ASSERT_EQ(1, stats_.size());
+  Edge* edge = out->in_edge_;
+  edge->RecomputeDirty(NULL, this, NULL);
+  ASSERT_EQ(3, stats_.size());
+  ASSERT_EQ("out", stats_[0]);
+  ASSERT_TRUE(GetNode("out")->dirty_);
+  ASSERT_EQ("mid",  stats_[1]);
+  ASSERT_TRUE(GetNode("mid")->dirty_);
+  ASSERT_EQ("in",  stats_[2]);
+}
+
+TEST_F(StatTest, Tree) {
+  ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
+"build out: cat mid1 mid2\n"
+"build mid1: cat in11 in12\n"
+"build mid2: cat in21 in22\n"));
+
+  Node* out = GetNode("out");
+  out->file_->Stat(this);
+  ASSERT_EQ(1, stats_.size());
+  Edge* edge = out->in_edge_;
+  edge->RecomputeDirty(NULL, this, NULL);
+  ASSERT_EQ(1 + 6, stats_.size());
+  ASSERT_EQ("mid1", stats_[1]);
+  ASSERT_TRUE(GetNode("mid1")->dirty_);
+  ASSERT_EQ("in11", stats_[2]);
+}
+
+TEST_F(StatTest, Middle) {
+  ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
+"build out: cat mid\n"
+"build mid: cat in\n"));
+
+  mtimes_["in"] = 1;
+  mtimes_["mid"] = 0;  // missing
+  mtimes_["out"] = 1;
+
+  Node* out = GetNode("out");
+  out->file_->Stat(this);
+  ASSERT_EQ(1, stats_.size());
+  Edge* edge = out->in_edge_;
+  edge->RecomputeDirty(NULL, this, NULL);
+  ASSERT_FALSE(GetNode("in")->dirty_);
+  ASSERT_TRUE(GetNode("mid")->dirty_);
+  ASSERT_TRUE(GetNode("out")->dirty_);
+}
+
+class DiskInterfaceTest : public testing::Test {
+public:
+  virtual void SetUp() {
+    char buf[4 << 10];
+    ASSERT_TRUE(getcwd(buf, sizeof(buf)));
+    start_dir_ = buf;
+
+    char name_template[] = "DiskInterfaceTest-XXXXXX";
+    char* name = mkdtemp(name_template);
+    temp_dir_name_ = name;
+    ASSERT_TRUE(name);
+    ASSERT_EQ(0, chdir(name));
+  }
+  virtual void TearDown() {
+    ASSERT_EQ(0, chdir(start_dir_.c_str()));
+    ASSERT_EQ(0, system(("rm -rf " + temp_dir_name_).c_str()));
+  }
+
+  string start_dir_;
+  string temp_dir_name_;
+  RealDiskInterface disk_;
+};
+
+TEST_F(DiskInterfaceTest, Stat) {
+  EXPECT_EQ(0, disk_.Stat("nosuchfile"));
+
+  string too_long_name(512, 'x');
+  EXPECT_EQ(-1, disk_.Stat(too_long_name));
+
+  ASSERT_EQ(0, system("touch file"));
+  EXPECT_GT(disk_.Stat("file"), 1);
+}
+
+TEST_F(DiskInterfaceTest, ReadFile) {
+  string err;
+  EXPECT_EQ("", disk_.ReadFile("foobar", &err));
+  EXPECT_EQ("", err);
+
+  const char* kTestFile = "testfile";
+  FILE* f = fopen(kTestFile, "wb");
+  ASSERT_TRUE(f);
+  const char* kTestContent = "test content\nok";
+  fprintf(f, "%s", kTestContent);
+  ASSERT_EQ(0, fclose(f));
+
+  EXPECT_EQ(kTestContent, disk_.ReadFile(kTestFile, &err));
+  EXPECT_EQ("", err);
+}
+
+TEST_F(DiskInterfaceTest, MakeDirs) {
+  EXPECT_TRUE(disk_.MakeDirs("path/with/double//slash/"));
+}