Example #1
0
def test_06_set_baseline():
    """Verify set_baseline functions"""
    try:
        os.unlink(TEST_DB_FILE)
    except:
        pass

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'baseline', 'r0.0.0', True,
                                  False)
    migrateTableExists = pydbvolve.check_migration_table(config)
    assert (not migrateTableExists)
    if not migrateTableExists:
        pydbvolve.create_migration_table(config)

    rc = pydbvolve.set_baseline(config)
    assert (rc == 0)

    baseline = pydbvolve.get_baseline(config)
    assert (baseline['version'] == 'r0.0.0')
    assert (baseline['is_baseline'] == True)

    _drop_migration_table(config)
    rc = pydbvolve.set_baseline(config)
    assert (rc != 0)

    os.unlink(TEST_DB_FILE)
Example #2
0
def test_09_verify_version():
    """Verify set_baseline functions"""
    try:
        os.unlink(TEST_DB_FILE)
    except:
        pass

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.3.0', True,
                                  False)
    migrateTableExists = pydbvolve.check_migration_table(config)
    assert (not migrateTableExists)
    if not migrateTableExists:
        pydbvolve.create_migration_table(config)

    pydbvolve.set_baseline(config)
    config['conn'].close()

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'verify', 'r1.3.0', True,
                                  False)
    rc = pydbvolve.verify_version(config)
    assert (rc == 0)

    config['version'] = 'r1.1.1'
    rc = pydbvolve.verify_version(config)
    assert (rc != 0)

    pydbvolve.clear_current(config)
    rc = pydbvolve.verify_version(config)
    assert (rc != 0)

    config['conn'].close()

    os.unlink(TEST_DB_FILE)
Example #3
0
def test_03_run_migration_job_not_serial():
    """Verify that a migration can be run and a migration record created"""
    def pre_script(config, migration):
        raise Exception("Force a condition")

    def post_script(config, migration):
        _drop_migration_table(config)

    try:
        os.unlink(TEST_DB_FILE)
    except:
        pass

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.0.0', True,
                                  False)
    migrateTableExists = pydbvolve.check_migration_table(config)
    assert (not migrateTableExists)
    if not migrateTableExists:
        pydbvolve.create_migration_table(config)

    migrations = pydbvolve.setup_migrations(config)
    res = pydbvolve.find_migration_file_version(config, migrations, 'r1.0.0')
    migration = migrations[res]

    exc = None
    try:
        rc = pydbvolve.run_migration_job(config, migrations, res, res - 1, 1)
    except Exception as e:
        exc = e

    assert (isinstance(exc, pydbvolve.MigrationError))

    exc = None
    try:
        rc = pydbvolve.run_migration_job(config, migrations, res - 1, res, -1)
    except Exception as e:
        exc = e

    assert (isinstance(exc, pydbvolve.MigrationError))

    rc = pydbvolve.run_migration_job(config, migrations, res, res, 1)
    assert (rc)

    curr = pydbvolve.get_current(config)
    assert (curr['version'] == 'r1.0.0')

    save = pydbvolve.pre_script
    pydbvolve.pre_script = pre_script
    rc = pydbvolve.run_migration_job(config, migrations, res + 1, res + 1, 1)
    assert (rc == False)
    pydbvolve.pre_script = save
    save = pydbvolve.post_script
    pydbvolve.post_script = post_script
    rc = pydbvolve.run_migration_job(config, migrations, res + 1, res + 1, 1)
    assert (rc == False)
    pydbvolve.post_script = save

    os.unlink(TEST_DB_FILE)
def test_03_create_migration_table():
    """Verify that the migration table can be created"""
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'info', 'r1.1.10', True, False)
    _drop_migration_table(config)
    res = pydbvolve.create_migration_table(config)
    assert(res == True)
    assert(pydbvolve.check_migration_table(config))
    res = pydbvolve.create_migration_table(config)
    assert(res == False)
Example #5
0
def test_08_run_downgrade():
    """Verify set_baseline functions"""
    def no_migrations(*args, **kwargs):
        return []

    try:
        os.unlink(TEST_DB_FILE)
    except:
        pass

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'baseline', 'r1.2.0', True,
                                  False)
    migrateTableExists = pydbvolve.check_migration_table(config)
    assert (not migrateTableExists)
    if not migrateTableExists:
        pydbvolve.create_migration_table(config)

    pydbvolve.set_baseline(config)
    config['conn'].close()

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.3.0', True,
                                  False)
    rc = pydbvolve.run_upgrade(config)
    assert (rc == 0)
    config['conn'].close()

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'downgrade', 'r1.2.0',
                                  True, False)
    rc = pydbvolve.run_downgrade(config)
    assert (rc == 0)

    curr = pydbvolve.get_current(config)
    assert (curr['version'] == 'r1.2.0')

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'downgrade', 'r1.2.0',
                                  True, False)
    rc = pydbvolve.run_downgrade(config)
    assert (rc == 0)

    save = pydbvolve.setup_migrations
    pydbvolve.setup_migrations = no_migrations
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'downgrade', 'r1.1.0',
                                  True, False)
    rc = pydbvolve.run_upgrade(config)
    assert (rc != 0)

    pydbvolve.setup_migrations = save
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'downgrade', 'r1.1.0',
                                  True, False)
    rc = pydbvolve.run_upgrade(config)
    assert (rc != 0)

    config['conn'].close()

    importlib.reload(pydbvolve)

    os.unlink(TEST_DB_FILE)
Example #6
0
def test_05_run_downgrade_migration_job_serial():
    """Verify that downgrade migrations can be applied serially"""
    try:
        os.unlink(TEST_DB_FILE)
    except:
        pass

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.2.0', True,
                                  False)
    migrateTableExists = pydbvolve.check_migration_table(config)
    assert (not migrateTableExists)
    if not migrateTableExists:
        pydbvolve.create_migration_table(config)

    migrations = pydbvolve.setup_migrations(config)
    res = pydbvolve.find_migration_file_version(config, migrations, 'r1.2.0')
    rc = pydbvolve.run_migration_job(config, migrations, 0, res, 1)
    assert (rc)

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'downgrade', 'r1.0.0',
                                  True, False)
    currentVersion = pydbvolve.get_current(config)
    migrations = pydbvolve.setup_migrations(config)
    start = pydbvolve.find_migration_file_version(config, migrations,
                                                  currentVersion['version'])
    start -= 1
    target = pydbvolve.find_migration_file_version(config, migrations,
                                                   'r1.0.0')
    rc = pydbvolve.run_migration_job(config, migrations, start, target, -1)
    assert (rc)

    curr = pydbvolve.get_current(config)
    assert (curr['version'] == 'r1.0.0')

    all_migrations = pydbvolve.get_migration_data(config)
    assert (all_migrations[0]['version'] == 'r0.0.0')
    assert (all_migrations[0]['is_current'] == False)
    assert (all_migrations[1]['version'] == 'r1.0.0')
    assert (all_migrations[1]['is_current'] == False)
    assert (all_migrations[2]['version'] == 'r1.1.0')
    assert (all_migrations[2]['is_current'] == False)
    assert (all_migrations[3]['version'] == 'r1.2.0')
    assert (all_migrations[3]['is_current'] == False)
    assert (all_migrations[4]['version'] == 'r1.1.0')
    assert (all_migrations[4]['is_current'] == False)
    assert (all_migrations[5]['version'] == 'r1.0.0')
    assert (all_migrations[5]['is_current'] == True)

    os.unlink(TEST_DB_FILE)
def test_09_get_baseline():
    """Verify that the baseline record can be retrieved"""
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'info', 'r1.1.10', True, False)
    _drop_migration_table(config)
    res = pydbvolve.create_migration_table(config)
    assert(res)
    record = {
        'version': 'r1.0.0',
        'applied_ts': datetime.datetime.now(),
        'migration_file': 'somefile.sql',
        'migration_type': 'sql',
        'migration_user': config['migration_user'],
        'db_user': config['db_user'],
        'is_current': 0,
        'is_baseline': 1
    }
    res = pydbvolve.get_baseline(config)
    assert(res == {})
    
    _add_migration_record(config, record)
    assert(_count_baseline(config) == 1)
    res = pydbvolve.get_baseline(config)
    assert(bool(res))
    assert((res['version'], str(res['applied_ts'])) == (record['version'], str(record['applied_ts'])))
    
    _drop_migration_table(config)
    res = pydbvolve.get_baseline(config)
    assert(res == {})
def test_07_clear_baseline():
    """Verify that the baseline record flag can be cleared"""
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'info', 'r1.1.10', True, False)
    _drop_migration_table(config)
    res = pydbvolve.create_migration_table(config)
    assert(res)
    record = {
        'version': 'r1.0.0',
        'applied_ts': datetime.datetime.now(),
        'migration_file': 'somefile.sql',
        'migration_type': 'sql',
        'migration_user': config['migration_user'],
        'db_user': config['db_user'],
        'is_current': 0,
        'is_baseline': 1
    }
    _add_migration_record(config, record)
    assert(_count_baseline(config) == 1)
    res = pydbvolve.clear_baseline(config)
    assert(res)
    assert(_count_baseline(config) == 0)
    config['conn'].commit()
    
    _drop_migration_table(config)
    res = pydbvolve.clear_baseline(config)
    assert(res == False)
def test_05_check_migration_table_bad_baseline():
    """Verify that multiple baseline recurds are detected"""
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'info', 'r1.1.10', True, False)
    _drop_migration_table(config)
    res = pydbvolve.create_migration_table(config)
    assert(res)
    record = {
        'version': 'r1.0.0',
        'applied_ts': datetime.datetime.now(),
        'migration_file': 'somefile.sql',
        'migration_type': 'sql',
        'migration_user': config['migration_user'],
        'db_user': config['db_user'],
        'is_current': 0,
        'is_baseline': 1
    }
    _add_migration_record(config, record)
    record['version'] = 'r1.0.1'
    _add_migration_record(config, record)
    
    try:
        res = pydbvolve.check_migration_table(config)
    except Exception as e:
        res = False
        assert(isinstance(e, pydbvolve.MigrationTableConstraintError))
    
    assert(res == False)
Example #10
0
def test_04_run_migration_job_serial():
    """Verify that a migrations can be applied serially"""
    try:
        os.unlink(TEST_DB_FILE)
    except:
        pass

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.1.0', True,
                                  False)
    migrateTableExists = pydbvolve.check_migration_table(config)
    assert (not migrateTableExists)
    if not migrateTableExists:
        pydbvolve.create_migration_table(config)

    migrations = pydbvolve.setup_migrations(config)
    res = pydbvolve.find_migration_file_version(config, migrations, 'r1.1.0')
    migration = migrations[res]

    rc = pydbvolve.run_migration_job(config, migrations, 0, res, 1)
    assert (rc)

    curr = pydbvolve.get_current(config)
    assert (curr['version'] == 'r1.1.0')

    all_migrations = pydbvolve.get_migration_data(config)
    assert (all_migrations[0]['version'] == 'r0.0.0')
    assert (all_migrations[0]['is_current'] == False)
    assert (all_migrations[1]['version'] == 'r1.0.0')
    assert (all_migrations[1]['is_current'] == False)
    assert (all_migrations[2]['version'] == 'r1.1.0')
    assert (all_migrations[2]['is_current'] == True)

    _drop_migration_table(config)
    all_migrations = pydbvolve.get_migration_data(config)
    assert (all_migrations is None)

    os.unlink(TEST_DB_FILE)
def test_10_add_migration_record():
    """Verify that a migration record can be added"""
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'info', 'r1.1.10', True, False)
    _drop_migration_table(config)
    res = pydbvolve.create_migration_table(config)
    assert(res)
    migration = {'version': 'r1.0.0',
                 'sort_version': (1, 0, 0),
                 'filename': 'a_test.sql',
                 'filetype': 'sql'}
    res = pydbvolve.add_migration_record(config, migration, 1, 0)
    assert(res)
    assert(_count_current(config) == 1)
    migration['version'] = 'r1.0.1'
    res = pydbvolve.add_migration_record(config, migration, 1, 0)
    assert(res)
    assert(_count_current(config) == 1)
    config['conn'].commit()
    
    res = pydbvolve.add_migration_record(config, migration, 0, 0)
    assert(res == False)
    
    migration['version'] = None
    res = None
    try:
        res = pydbvolve.add_migration_record(config, migration, 1, 0)
    except Exception as e:
        res = e
    assert(isinstance(res, Exception))
    config['conn'].rollback()
    
    _drop_migration_table(config)
    res = pydbvolve.add_migration_record(config, migration, 1, 0)
    assert(res == False)

    res = pydbvolve.add_migration_record(config, migration, 0, 1)
    assert(res == False)
Example #12
0
def test_07_run_upgrade():
    """Verify set_baseline functions"""
    def no_migrations(*args, **kwargs):
        return []

    try:
        os.unlink(TEST_DB_FILE)
    except:
        pass

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'baseline', 'r1.1.0', True,
                                  False)
    migrateTableExists = pydbvolve.check_migration_table(config)
    assert (not migrateTableExists)
    if not migrateTableExists:
        pydbvolve.create_migration_table(config)

    rc = pydbvolve.set_baseline(config)
    assert (rc == 0)

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.2.0', True,
                                  False)
    rc = pydbvolve.run_upgrade(config)
    assert (rc == 0)
    config['conn'].close()

    # cannot upgrade to an earlier version than current
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.1.0', True,
                                  False)
    rc = pydbvolve.run_upgrade(config)
    assert (rc != 0)
    config['conn'].close()

    # can upgrade to later version
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.3.0', True,
                                  False)
    rc = pydbvolve.run_upgrade(config)
    assert (rc == 0)

    all_migrations = pydbvolve.get_migration_data(config)
    all_versions = set(m['version'] for m in all_migrations)
    assert ('r1.2.0' in all_versions)
    assert ('r1.2.9' in all_versions)
    assert ('r1.3.0' in all_versions)
    assert ('r1.3.1' not in all_versions)

    save = pydbvolve.setup_migrations
    pydbvolve.setup_migrations = no_migrations
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.3.0', True,
                                  False)
    rc = pydbvolve.run_upgrade(config)
    assert (rc != 0)

    pydbvolve.setup_migrations = save
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.3.0', True,
                                  False)
    rc = pydbvolve.run_upgrade(config)
    assert (rc == 0)

    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'baseline', 'r1.2.0', True,
                                  False)
    rc = pydbvolve.set_baseline(config)
    assert (rc == 0)

    pydbvolve.setup_migrations = no_migrations
    config = pydbvolve.initialize(TEST_CONFIG_FILE, 'upgrade', 'r1.0.0', True,
                                  False)
    rc = pydbvolve.run_upgrade(config)
    assert (rc != 0)

    config['conn'].close()

    importlib.reload(pydbvolve)

    os.unlink(TEST_DB_FILE)