JezK
Edit File: ServerInstanceDirTest.cpp
#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 doesnn't remove the server instance directory if it // wasn't created with the ownership flag or if it's been detached. string path, path2; { 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); } }