import pytest import pre_commit.constants as C from pre_commit.clientlib import InvalidConfigError from pre_commit.commands.migrate_config import migrate_config def test_migrate_config_normal_format(tmpdir, capsys): cfg = tmpdir.join(C.CONFIG_FILE) cfg.write( '- repo: local\n' ' hooks:\n' ' - id: foo\n' ' name: foo\n' ' entry: ./bin/foo.sh\n' ' language: script\n', ) with tmpdir.as_cwd(): assert not migrate_config(C.CONFIG_FILE) out, _ = capsys.readouterr() assert out == 'Configuration has been migrated.\n' contents = cfg.read() assert contents == ( 'repos:\n' '- repo: local\n' ' hooks:\n' ' - id: foo\n' ' name: foo\n' ' entry: ./bin/foo.sh\n' ' language: script\n' ) def test_migrate_config_document_marker(tmpdir): cfg = tmpdir.join(C.CONFIG_FILE) cfg.write( '# comment\n' '\n' '---\n' '- repo: local\n' ' hooks:\n' ' - id: foo\n' ' name: foo\n' ' entry: ./bin/foo.sh\n' ' language: script\n', ) with tmpdir.as_cwd(): assert not migrate_config(C.CONFIG_FILE) contents = cfg.read() assert contents == ( '# comment\n' '\n' '---\n' 'repos:\n' '- repo: local\n' ' hooks:\n' ' - id: foo\n' ' name: foo\n' ' entry: ./bin/foo.sh\n' ' language: script\n' ) def test_migrate_config_list_literal(tmpdir): cfg = tmpdir.join(C.CONFIG_FILE) cfg.write( '[{\n' ' repo: local,\n' ' hooks: [{\n' ' id: foo, name: foo, entry: ./bin/foo.sh,\n' ' language: script,\n' ' }]\n' '}]', ) with tmpdir.as_cwd(): assert not migrate_config(C.CONFIG_FILE) contents = cfg.read() assert contents == ( 'repos:\n' ' [{\n' ' repo: local,\n' ' hooks: [{\n' ' id: foo, name: foo, entry: ./bin/foo.sh,\n' ' language: script,\n' ' }]\n' ' }]' ) def test_already_migrated_configuration_noop(tmpdir, capsys): contents = ( 'repos:\n' '- repo: local\n' ' hooks:\n' ' - id: foo\n' ' name: foo\n' ' entry: ./bin/foo.sh\n' ' language: script\n' ) cfg = tmpdir.join(C.CONFIG_FILE) cfg.write(contents) with tmpdir.as_cwd(): assert not migrate_config(C.CONFIG_FILE) out, _ = capsys.readouterr() assert out == 'Configuration is already migrated.\n' assert cfg.read() == contents def test_migrate_config_sha_to_rev(tmpdir): contents = ( 'repos:\n' '- repo: https://github.com/pre-commit/pre-commit-hooks\n' ' sha: v1.2.0\n' ' hooks: []\n' '- repo: https://github.com/pre-commit/pre-commit-hooks\n' ' sha: v1.2.0\n' ' hooks: []\n' ) cfg = tmpdir.join(C.CONFIG_FILE) cfg.write(contents) with tmpdir.as_cwd(): assert not migrate_config(C.CONFIG_FILE) contents = cfg.read() assert contents == ( 'repos:\n' '- repo: https://github.com/pre-commit/pre-commit-hooks\n' ' rev: v1.2.0\n' ' hooks: []\n' '- repo: https://github.com/pre-commit/pre-commit-hooks\n' ' rev: v1.2.0\n' ' hooks: []\n' ) @pytest.mark.parametrize('contents', ('', '\n')) def test_migrate_config_invalid_configuration(tmpdir, contents): cfg = tmpdir.join(C.CONFIG_FILE) cfg.write(contents) with tmpdir.as_cwd(), pytest.raises(InvalidConfigError): migrate_config(C.CONFIG_FILE) # even though the config is invalid, this should be a noop assert cfg.read() == contents