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#include "TestSupport.h"
#include "ServerInstanceDir.h"
using namespace Passenger;
using namespace std;
namespace tut {
struct ServerInstanceDirTest {
string parentDir;
TempDir tmpDir;
string nobodyGroup;
ServerInstanceDirTest(): tmpDir("server_instance_dir_test.tmp") {
parentDir = "server_instance_dir_test.tmp";
nobodyGroup = getPrimaryGroupName("nobody");
}
void createGenerationDir(const string &instanceDir, unsigned int number) {
string command = "mkdir " + instanceDir + "/generation-" + toString(number);
system(command.c_str());
}
};
DEFINE_TEST_GROUP(ServerInstanceDirTest);
TEST_METHOD(1) {
// The (pid_t, string) constructor creates a server instance directory
// in the given parent directory, and this server instance directory
// name contains the major and minor structure versions and the given PID.
ServerInstanceDir dir(1234, parentDir);
vector<string> contents = listDir(parentDir);
ensure_equals(contents.size(), 1u);
ensure_equals(contents[0],
"passenger." +
toString(ServerInstanceDir::DIR_STRUCTURE_MAJOR_VERSION) +
"." +
toString(ServerInstanceDir::DIR_STRUCTURE_MINOR_VERSION) +
".1234");
}
TEST_METHOD(2) {
// The (string) constructor creates a ServerInstanceDir object that's
// associated with the given directory, and creates the directory
// if it doesn't exist.
ServerInstanceDir dir(1234, parentDir);
ServerInstanceDir dir2(dir.getPath());
ServerInstanceDir dir3(parentDir + "/foo");
ensure_equals(dir2.getPath(), dir.getPath());
ensure_equals(dir3.getPath(), parentDir + "/foo");
ensure_equals(getFileType(dir3.getPath()), FT_DIRECTORY);
}
TEST_METHOD(3) {
// A ServerInstanceDir object removes the server instance directory
// upon destruction, but only if there are no more generations in it.
{
ServerInstanceDir dir(1234, parentDir);
}
ensure_equals(listDir(parentDir).size(), 0u);
{
ServerInstanceDir dir(1234, parentDir);
createGenerationDir(dir.getPath(), 1);
}
ensure_equals(listDir(parentDir).size(), 1u);
}
TEST_METHOD(4) {
// The destructor does not throw any exceptions if the server instance
// directory doesn't exist anymore.
ServerInstanceDir dir(1234, parentDir);
removeDirTree(dir.getPath());
}
TEST_METHOD(5) {
// The destructor doesn't remove the server instance directory if it
// wasn't created with the ownership flag or if it's been detached.
string path, path2;
makeDirTree(parentDir + "/passenger-test.1234");
makeDirTree(parentDir + "/passenger-test.5678");
{
ServerInstanceDir dir(1234, parentDir, false);
ServerInstanceDir dir2(5678, parentDir);
dir2.detach();
path = dir.getPath();
path2 = dir2.getPath();
}
ensure_equals(getFileType(path), FT_DIRECTORY);
ensure_equals(getFileType(path2), FT_DIRECTORY);
}
TEST_METHOD(6) {
// If there are no existing generations, newGeneration() creates a new
// generation directory with number 0.
ServerInstanceDir dir(1234, parentDir);
unsigned int ncontents = listDir(dir.getPath()).size();
ServerInstanceDir::GenerationPtr generation = dir.newGeneration(true,
"nobody", nobodyGroup, 0, 0);
ensure_equals(generation->getNumber(), 0u);
ensure_equals(getFileType(generation->getPath()), FT_DIRECTORY);
ensure_equals(listDir(dir.getPath()).size(), ncontents + 1);
}
TEST_METHOD(7) {
// A Generation object returned by newGeneration() deletes the associated
// generation directory upon destruction.
ServerInstanceDir dir(1234, parentDir);
ServerInstanceDir::GenerationPtr generation = dir.newGeneration(true,
"nobody", nobodyGroup, 0, 0);
string path = generation->getPath();
generation.reset();
ensure_equals(getFileType(path), FT_NONEXISTANT);
}
TEST_METHOD(8) {
// getNewestGeneration() returns the newest generation.
ServerInstanceDir dir(1234, parentDir);
ServerInstanceDir::GenerationPtr generation0 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
ServerInstanceDir::GenerationPtr generation1 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
ServerInstanceDir::GenerationPtr generation2 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
ServerInstanceDir::GenerationPtr generation3 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
generation2.reset();
ensure_equals(dir.getNewestGeneration()->getNumber(), 3u);
generation3.reset();
ensure_equals(dir.getNewestGeneration()->getNumber(), 1u);
}
TEST_METHOD(9) {
// getNewestGeneration returns null if there are no generations.
ServerInstanceDir dir(1234, parentDir);
ensure(dir.getNewestGeneration() == NULL);
}
TEST_METHOD(10) {
// A Generation object returned by getNewestGeneration() doesn't delete
// the associated generation directory upon destruction.
ServerInstanceDir dir(1234, parentDir);
ServerInstanceDir::GenerationPtr generation = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
ServerInstanceDir::GenerationPtr newestGeneration = dir.getNewestGeneration();
newestGeneration.reset();
ensure_equals(getFileType(generation->getPath()), FT_DIRECTORY);
}
TEST_METHOD(11) {
// getGeneration() returns the given generation.
ServerInstanceDir dir(1234, parentDir);
ServerInstanceDir::GenerationPtr generation0 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
ServerInstanceDir::GenerationPtr generation1 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
ServerInstanceDir::GenerationPtr generation2 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
ServerInstanceDir::GenerationPtr generation3 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
ensure_equals(dir.getGeneration(0)->getNumber(), 0u);
ensure_equals(dir.getGeneration(3)->getNumber(), 3u);
}
TEST_METHOD(12) {
// A Generation object returned by getGeneration() doesn't delete the
// associated generation directory upon destruction.
ServerInstanceDir dir(1234, parentDir);
ServerInstanceDir::GenerationPtr generation0 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
ServerInstanceDir::GenerationPtr generation1 = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
dir.getGeneration(0).reset();
dir.getGeneration(1).reset();
ensure_equals(getFileType(generation0->getPath()), FT_DIRECTORY);
ensure_equals(getFileType(generation1->getPath()), FT_DIRECTORY);
}
TEST_METHOD(13) {
// A detached Generation doesn't delete the associated generation
// directory upon destruction.
ServerInstanceDir dir(1234, parentDir);
ServerInstanceDir::GenerationPtr generation = dir.newGeneration(true, "nobody", nobodyGroup, 0, 0);
string path = generation->getPath();
generation->detach();
generation.reset();
ensure_equals(getFileType(path), FT_DIRECTORY);
}
TEST_METHOD(14) {
// It's possible to have two ServerInstanceDir objects constructed
// with the same (pid_t, string) constructor arguments.
ServerInstanceDir dir1(1234, parentDir);
ServerInstanceDir dir2(1234, parentDir);
}
}
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