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#include "parsers.h"
#include <gtest/gtest.h>
#include "ninja.h"
struct ParserTest : public testing::Test,
public ManifestParser::FileReader {
void AssertParse(const char* input) {
ManifestParser parser(&state, this);
string err;
ASSERT_TRUE(parser.Parse(input, &err)) << err;
ASSERT_EQ("", err);
}
virtual bool ReadFile(const string& path, string* content, string* err) {
files_read_.push_back(path);
map<string, string>::iterator i = files_.find(path);
if (i == files_.end()) {
*err = "file not found";
return false;
}
*content = i->second;
return true;
}
State state;
map<string, string> files_;
vector<string> files_read_;
};
TEST_F(ParserTest, Empty) {
ASSERT_NO_FATAL_FAILURE(AssertParse(""));
}
TEST_F(ParserTest, Rules) {
ASSERT_NO_FATAL_FAILURE(AssertParse(
"rule cat\n"
" command = cat $in > $out\n"
"\n"
"rule date\n"
" command = date > $out\n"
"\n"
"build result: cat in_1.cc in-2.O\n"));
ASSERT_EQ(2, state.rules_.size());
Rule* rule = state.rules_.begin()->second;
EXPECT_EQ("cat", rule->name_);
EXPECT_EQ("cat $in > $out", rule->command_.unparsed());
}
TEST_F(ParserTest, Variables) {
ASSERT_NO_FATAL_FAILURE(AssertParse(
"rule link\n"
" command = ld $extra $with_under -o $out $in\n"
"\n"
"extra = -pthread\n"
"with_under = -under\n"
"build a: link b c\n"));
ASSERT_EQ(1, state.edges_.size());
Edge* edge = state.edges_[0];
EXPECT_EQ("ld -pthread -under -o a b c", edge->EvaluateCommand());
}
TEST_F(ParserTest, Continuation) {
ASSERT_NO_FATAL_FAILURE(AssertParse(
"rule link\n"
" command = foo bar \\\n"
" baz\n"
"\n"
"build a: link c \\\n"
" d e f\n"));
ASSERT_EQ(1, state.rules_.size());
Rule* rule = state.rules_.begin()->second;
EXPECT_EQ("link", rule->name_);
EXPECT_EQ("foo bar baz", rule->command_.unparsed());
}
TEST_F(ParserTest, Comment) {
ASSERT_NO_FATAL_FAILURE(AssertParse(
"# this is a comment\n"
"foo = not # a comment\n"));
EXPECT_EQ("not # a comment", state.env_["foo"]);
}
TEST_F(ParserTest, Errors) {
{
ManifestParser parser(NULL, NULL);
string err;
EXPECT_FALSE(parser.Parse("foobar", &err));
EXPECT_EQ("line 1, col 7: expected '=', got eof", err);
}
{
ManifestParser parser(NULL, NULL);
string err;
EXPECT_FALSE(parser.Parse("x 3", &err));
EXPECT_EQ("line 1, col 3: expected '=', got '3'", err);
}
{
ManifestParser parser(NULL, NULL);
string err;
EXPECT_FALSE(parser.Parse("x = 3", &err));
EXPECT_EQ("line 1, col 6: expected newline, got eof", err);
}
{
State state;
ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.Parse("x = 3\ny 2", &err));
EXPECT_EQ("line 2, col 3: expected '=', got '2'", err);
}
{
State state;
ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.Parse("build x: y z\n", &err));
EXPECT_EQ("line 1, col 10: unknown build rule 'y'", err);
}
{
State state;
ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.Parse("build x:: y z\n", &err));
EXPECT_EQ("line 1, col 9: expected build command name", err);
}
{
State state;
ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.Parse("rule cat\n command = cat ok\n"
"build x: cat \\\n :\n",
&err));
EXPECT_EQ("line 4, col 2: expected newline, got ':'", err);
}
{
State state;
ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.Parse("rule cat\n"
" foo = bar\n",
&err));
EXPECT_EQ("line 3, col 1: expected 'command =' line", err);
}
{
State state;
ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.Parse("rule %foo\n",
&err));
EXPECT_EQ("line 1, col 6: expected rule name, got unknown '%'", err);
}
{
State state;
ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.Parse("rule cc\n command = foo\n depfile = bar\n"
"build a.o b.o: cc c.cc\n",
&err));
EXPECT_EQ("line 4, col 16: dependency files only work with "
"single-output rules", err);
}
}
TEST_F(ParserTest, BuildDir) {
ASSERT_NO_FATAL_FAILURE(AssertParse(
"builddir = out\n"
"rule cat\n"
" command = cat $in > $out\n"
"build @bin: cat @a.o\n"
"build @a.o: cat a.cc\n"));
ASSERT_TRUE(state.LookupNode("out/a.o"));
}
TEST_F(ParserTest, SubNinja) {
files_["test.ninja"] = "";
ASSERT_NO_FATAL_FAILURE(AssertParse(
"subninja test.ninja\n"));
ASSERT_EQ(1, files_read_.size());
EXPECT_EQ("test.ninja", files_read_[0]);
}
TEST(MakefileParser, Basic) {
MakefileParser parser;
string err;
EXPECT_TRUE(parser.Parse(
"build/ninja.o: ninja.cc ninja.h eval_env.h manifest_parser.h\n",
&err));
ASSERT_EQ("", err);
}
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