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// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "build_log.h"
#include "util.h"
#include "test.h"
#ifdef _WIN32
#include <fcntl.h>
#include <share.h>
#endif
#ifdef linux
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#endif
static const char kTestFilename[] = "BuildLogTest-tempfile";
struct BuildLogTest : public StateTestWithBuiltinRules {
virtual void SetUp() {
}
virtual void TearDown() {
unlink(kTestFilename);
}
};
TEST_F(BuildLogTest, WriteRead) {
AssertParse(&state_,
"build out: cat mid\n"
"build mid: cat in\n");
BuildLog log1;
string err;
EXPECT_TRUE(log1.OpenForWrite(kTestFilename, &err));
ASSERT_EQ("", err);
log1.RecordCommand(state_.edges_[0], 15, 18);
log1.RecordCommand(state_.edges_[1], 20, 25);
log1.Close();
BuildLog log2;
EXPECT_TRUE(log2.Load(kTestFilename, &err));
ASSERT_EQ("", err);
ASSERT_EQ(2u, log1.log().size());
ASSERT_EQ(2u, log2.log().size());
BuildLog::LogEntry* e1 = log1.LookupByOutput("out");
ASSERT_TRUE(e1);
BuildLog::LogEntry* e2 = log2.LookupByOutput("out");
ASSERT_TRUE(e2);
ASSERT_TRUE(*e1 == *e2);
ASSERT_EQ(15, e1->start_time);
ASSERT_EQ("out", e1->output);
}
TEST_F(BuildLogTest, FirstWriteAddsSignature) {
const char kExpectedVersion[] = "# ninja log vX\n";
const size_t kVersionPos = strlen(kExpectedVersion) - 2; // Points at 'X'.
BuildLog log;
string contents, err;
EXPECT_TRUE(log.OpenForWrite(kTestFilename, &err));
ASSERT_EQ("", err);
log.Close();
ASSERT_EQ(0, ReadFile(kTestFilename, &contents, &err));
ASSERT_EQ("", err);
if (contents.size() >= kVersionPos)
contents[kVersionPos] = 'X';
EXPECT_EQ(kExpectedVersion, contents);
// Opening the file anew shouldn't add a second version string.
EXPECT_TRUE(log.OpenForWrite(kTestFilename, &err));
ASSERT_EQ("", err);
log.Close();
contents.clear();
ASSERT_EQ(0, ReadFile(kTestFilename, &contents, &err));
ASSERT_EQ("", err);
if (contents.size() >= kVersionPos)
contents[kVersionPos] = 'X';
EXPECT_EQ(kExpectedVersion, contents);
}
TEST_F(BuildLogTest, DoubleEntry) {
FILE* f = fopen(kTestFilename, "wb");
fprintf(f, "# ninja log v3\n");
fprintf(f, "0 1 2 out command abc\n");
fprintf(f, "3 4 5 out command def\n");
fclose(f);
string err;
BuildLog log;
EXPECT_TRUE(log.Load(kTestFilename, &err));
ASSERT_EQ("", err);
BuildLog::LogEntry* e = log.LookupByOutput("out");
ASSERT_TRUE(e);
ASSERT_EQ("command def", e->command);
}
TEST_F(BuildLogTest, Truncate) {
AssertParse(&state_,
"build out: cat mid\n"
"build mid: cat in\n");
BuildLog log1;
string err;
EXPECT_TRUE(log1.OpenForWrite(kTestFilename, &err));
ASSERT_EQ("", err);
log1.RecordCommand(state_.edges_[0], 15, 18);
log1.RecordCommand(state_.edges_[1], 20, 25);
log1.Close();
struct stat statbuf;
ASSERT_EQ(0, stat(kTestFilename, &statbuf));
ASSERT_GT(statbuf.st_size, 0);
// For all possible truncations of the input file, assert that we don't
// crash or report an error when parsing.
for (off_t size = statbuf.st_size; size > 0; --size) {
#ifndef _WIN32
ASSERT_EQ(0, truncate(kTestFilename, size));
#else
int fh;
fh = _sopen(kTestFilename, _O_RDWR | _O_CREAT, _SH_DENYNO, _S_IREAD | _S_IWRITE);
ASSERT_EQ(0, _chsize(fh, size));
_close(fh);
#endif
BuildLog log2;
EXPECT_TRUE(log2.Load(kTestFilename, &err));
ASSERT_EQ("", err);
}
}
TEST_F(BuildLogTest, UpgradeV3) {
FILE* f = fopen(kTestFilename, "wb");
fprintf(f, "# ninja log v3\n");
fprintf(f, "123 456 0 out command\n");
fclose(f);
string err;
BuildLog log;
EXPECT_TRUE(log.Load(kTestFilename, &err));
ASSERT_EQ("", err);
BuildLog::LogEntry* e = log.LookupByOutput("out");
ASSERT_TRUE(e);
ASSERT_EQ(123, e->start_time);
ASSERT_EQ(456, e->end_time);
ASSERT_EQ(0, e->restat_mtime);
ASSERT_EQ("command", e->command);
}
TEST_F(BuildLogTest, SpacesInOutputV4) {
FILE* f = fopen(kTestFilename, "wb");
fprintf(f, "# ninja log v4\n");
fprintf(f, "123\t456\t456\tout with space\tcommand\n");
fclose(f);
string err;
BuildLog log;
EXPECT_TRUE(log.Load(kTestFilename, &err));
ASSERT_EQ("", err);
BuildLog::LogEntry* e = log.LookupByOutput("out with space");
ASSERT_TRUE(e);
ASSERT_EQ(123, e->start_time);
ASSERT_EQ(456, e->end_time);
ASSERT_EQ(456, e->restat_mtime);
ASSERT_EQ("command", e->command);
}
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