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Diffstat (limited to 'tests/test_pgexecute.py')
| -rw-r--r-- | tests/test_pgexecute.py | 542 |
1 files changed, 542 insertions, 0 deletions
diff --git a/tests/test_pgexecute.py b/tests/test_pgexecute.py new file mode 100644 index 0000000..9273be9 --- /dev/null +++ b/tests/test_pgexecute.py @@ -0,0 +1,542 @@ +from textwrap import dedent + +import psycopg2 +import pytest +from mock import patch, MagicMock +from pgspecial.main import PGSpecial, NO_QUERY +from utils import run, dbtest, requires_json, requires_jsonb + +from pgcli.main import PGCli +from pgcli.packages.parseutils.meta import FunctionMetadata + + +def function_meta_data( + func_name, + schema_name="public", + arg_names=None, + arg_types=None, + arg_modes=None, + return_type=None, + is_aggregate=False, + is_window=False, + is_set_returning=False, + is_extension=False, + arg_defaults=None, +): + return FunctionMetadata( + schema_name, + func_name, + arg_names, + arg_types, + arg_modes, + return_type, + is_aggregate, + is_window, + is_set_returning, + is_extension, + arg_defaults, + ) + + +@dbtest +def test_conn(executor): + run(executor, """create table test(a text)""") + run(executor, """insert into test values('abc')""") + assert run(executor, """select * from test""", join=True) == dedent( + """\ + +-----+ + | a | + |-----| + | abc | + +-----+ + SELECT 1""" + ) + + +@dbtest +def test_copy(executor): + executor_copy = executor.copy() + run(executor_copy, """create table test(a text)""") + run(executor_copy, """insert into test values('abc')""") + assert run(executor_copy, """select * from test""", join=True) == dedent( + """\ + +-----+ + | a | + |-----| + | abc | + +-----+ + SELECT 1""" + ) + + +@dbtest +def test_bools_are_treated_as_strings(executor): + run(executor, """create table test(a boolean)""") + run(executor, """insert into test values(True)""") + assert run(executor, """select * from test""", join=True) == dedent( + """\ + +------+ + | a | + |------| + | True | + +------+ + SELECT 1""" + ) + + +@dbtest +def test_expanded_slash_G(executor, pgspecial): + # Tests whether we reset the expanded output after a \G. + run(executor, """create table test(a boolean)""") + run(executor, """insert into test values(True)""") + results = run(executor, """select * from test \G""", pgspecial=pgspecial) + assert pgspecial.expanded_output == False + + +@dbtest +def test_schemata_table_views_and_columns_query(executor): + run(executor, "create table a(x text, y text)") + run(executor, "create table b(z text)") + run(executor, "create view d as select 1 as e") + run(executor, "create schema schema1") + run(executor, "create table schema1.c (w text DEFAULT 'meow')") + run(executor, "create schema schema2") + + # schemata + # don't enforce all members of the schemas since they may include postgres + # temporary schemas + assert set(executor.schemata()) >= set( + ["public", "pg_catalog", "information_schema", "schema1", "schema2"] + ) + assert executor.search_path() == ["pg_catalog", "public"] + + # tables + assert set(executor.tables()) >= set( + [("public", "a"), ("public", "b"), ("schema1", "c")] + ) + + assert set(executor.table_columns()) >= set( + [ + ("public", "a", "x", "text", False, None), + ("public", "a", "y", "text", False, None), + ("public", "b", "z", "text", False, None), + ("schema1", "c", "w", "text", True, "'meow'::text"), + ] + ) + + # views + assert set(executor.views()) >= set([("public", "d")]) + + assert set(executor.view_columns()) >= set( + [("public", "d", "e", "integer", False, None)] + ) + + +@dbtest +def test_foreign_key_query(executor): + run(executor, "create schema schema1") + run(executor, "create schema schema2") + run(executor, "create table schema1.parent(parentid int PRIMARY KEY)") + run( + executor, + "create table schema2.child(childid int PRIMARY KEY, motherid int REFERENCES schema1.parent)", + ) + + assert set(executor.foreignkeys()) >= set( + [("schema1", "parent", "parentid", "schema2", "child", "motherid")] + ) + + +@dbtest +def test_functions_query(executor): + run( + executor, + """create function func1() returns int + language sql as $$select 1$$""", + ) + run(executor, "create schema schema1") + run( + executor, + """create function schema1.func2() returns int + language sql as $$select 2$$""", + ) + + run( + executor, + """create function func3() + returns table(x int, y int) language sql + as $$select 1, 2 from generate_series(1,5)$$;""", + ) + + run( + executor, + """create function func4(x int) returns setof int language sql + as $$select generate_series(1,5)$$;""", + ) + + funcs = set(executor.functions()) + assert funcs >= set( + [ + function_meta_data(func_name="func1", return_type="integer"), + function_meta_data( + func_name="func3", + arg_names=["x", "y"], + arg_types=["integer", "integer"], + arg_modes=["t", "t"], + return_type="record", + is_set_returning=True, + ), + function_meta_data( + schema_name="public", + func_name="func4", + arg_names=("x",), + arg_types=("integer",), + return_type="integer", + is_set_returning=True, + ), + function_meta_data( + schema_name="schema1", func_name="func2", return_type="integer" + ), + ] + ) + + +@dbtest +def test_datatypes_query(executor): + run(executor, "create type foo AS (a int, b text)") + + types = list(executor.datatypes()) + assert types == [("public", "foo")] + + +@dbtest +def test_database_list(executor): + databases = executor.databases() + assert "_test_db" in databases + + +@dbtest +def test_invalid_syntax(executor, exception_formatter): + result = run(executor, "invalid syntax!", exception_formatter=exception_formatter) + assert 'syntax error at or near "invalid"' in result[0] + + +@dbtest +def test_invalid_column_name(executor, exception_formatter): + result = run( + executor, "select invalid command", exception_formatter=exception_formatter + ) + assert 'column "invalid" does not exist' in result[0] + + +@pytest.fixture(params=[True, False]) +def expanded(request): + return request.param + + +@dbtest +def test_unicode_support_in_output(executor, expanded): + run(executor, "create table unicodechars(t text)") + run(executor, "insert into unicodechars (t) values ('é')") + + # See issue #24, this raises an exception without proper handling + assert "é" in run( + executor, "select * from unicodechars", join=True, expanded=expanded + ) + + +@dbtest +def test_not_is_special(executor, pgspecial): + """is_special is set to false for database queries.""" + query = "select 1" + result = list(executor.run(query, pgspecial=pgspecial)) + success, is_special = result[0][5:] + assert success == True + assert is_special == False + + +@dbtest +def test_execute_from_file_no_arg(executor, pgspecial): + """\i without a filename returns an error.""" + result = list(executor.run("\i", pgspecial=pgspecial)) + status, sql, success, is_special = result[0][3:] + assert "missing required argument" in status + assert success == False + assert is_special == True + + +@dbtest +@patch("pgcli.main.os") +def test_execute_from_file_io_error(os, executor, pgspecial): + """\i with an io_error returns an error.""" + # Inject an IOError. + os.path.expanduser.side_effect = IOError("test") + + # Check the result. + result = list(executor.run("\i test", pgspecial=pgspecial)) + status, sql, success, is_special = result[0][3:] + assert status == "test" + assert success == False + assert is_special == True + + +@dbtest +def test_multiple_queries_same_line(executor): + result = run(executor, "select 'foo'; select 'bar'") + assert len(result) == 12 # 2 * (output+status) * 3 lines + assert "foo" in result[3] + assert "bar" in result[9] + + +@dbtest +def test_multiple_queries_with_special_command_same_line(executor, pgspecial): + result = run(executor, "select 'foo'; \d", pgspecial=pgspecial) + assert len(result) == 11 # 2 * (output+status) * 3 lines + assert "foo" in result[3] + # This is a lame check. :( + assert "Schema" in result[7] + + +@dbtest +def test_multiple_queries_same_line_syntaxerror(executor, exception_formatter): + result = run( + executor, + "select 'fooé'; invalid syntax é", + exception_formatter=exception_formatter, + ) + assert "fooé" in result[3] + assert 'syntax error at or near "invalid"' in result[-1] + + +@pytest.fixture +def pgspecial(): + return PGCli().pgspecial + + +@dbtest +def test_special_command_help(executor, pgspecial): + result = run(executor, "\\?", pgspecial=pgspecial)[1].split("|") + assert "Command" in result[1] + assert "Description" in result[2] + + +@dbtest +def test_bytea_field_support_in_output(executor): + run(executor, "create table binarydata(c bytea)") + run(executor, "insert into binarydata (c) values (decode('DEADBEEF', 'hex'))") + + assert "\\xdeadbeef" in run(executor, "select * from binarydata", join=True) + + +@dbtest +def test_unicode_support_in_unknown_type(executor): + assert "日本語" in run(executor, "SELECT '日本語' AS japanese;", join=True) + + +@dbtest +def test_unicode_support_in_enum_type(executor): + run(executor, "CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy', '日本語')") + run(executor, "CREATE TABLE person (name TEXT, current_mood mood)") + run(executor, "INSERT INTO person VALUES ('Moe', '日本語')") + assert "日本語" in run(executor, "SELECT * FROM person", join=True) + + +@requires_json +def test_json_renders_without_u_prefix(executor, expanded): + run(executor, "create table jsontest(d json)") + run(executor, """insert into jsontest (d) values ('{"name": "Éowyn"}')""") + result = run( + executor, "SELECT d FROM jsontest LIMIT 1", join=True, expanded=expanded + ) + + assert '{"name": "Éowyn"}' in result + + +@requires_jsonb +def test_jsonb_renders_without_u_prefix(executor, expanded): + run(executor, "create table jsonbtest(d jsonb)") + run(executor, """insert into jsonbtest (d) values ('{"name": "Éowyn"}')""") + result = run( + executor, "SELECT d FROM jsonbtest LIMIT 1", join=True, expanded=expanded + ) + + assert '{"name": "Éowyn"}' in result + + +@dbtest +def test_date_time_types(executor): + run(executor, "SET TIME ZONE UTC") + assert ( + run(executor, "SELECT (CAST('00:00:00' AS time))", join=True).split("\n")[3] + == "| 00:00:00 |" + ) + assert ( + run(executor, "SELECT (CAST('00:00:00+14:59' AS timetz))", join=True).split( + "\n" + )[3] + == "| 00:00:00+14:59 |" + ) + assert ( + run(executor, "SELECT (CAST('4713-01-01 BC' AS date))", join=True).split("\n")[ + 3 + ] + == "| 4713-01-01 BC |" + ) + assert ( + run( + executor, "SELECT (CAST('4713-01-01 00:00:00 BC' AS timestamp))", join=True + ).split("\n")[3] + == "| 4713-01-01 00:00:00 BC |" + ) + assert ( + run( + executor, + "SELECT (CAST('4713-01-01 00:00:00+00 BC' AS timestamptz))", + join=True, + ).split("\n")[3] + == "| 4713-01-01 00:00:00+00 BC |" + ) + assert ( + run( + executor, "SELECT (CAST('-123456789 days 12:23:56' AS interval))", join=True + ).split("\n")[3] + == "| -123456789 days, 12:23:56 |" + ) + + +@dbtest +@pytest.mark.parametrize("value", ["10000000", "10000000.0", "10000000000000"]) +def test_large_numbers_render_directly(executor, value): + run(executor, "create table numbertest(a numeric)") + run(executor, "insert into numbertest (a) values ({0})".format(value)) + assert value in run(executor, "select * from numbertest", join=True) + + +@dbtest +@pytest.mark.parametrize("command", ["di", "dv", "ds", "df", "dT"]) +@pytest.mark.parametrize("verbose", ["", "+"]) +@pytest.mark.parametrize("pattern", ["", "x", "*.*", "x.y", "x.*", "*.y"]) +def test_describe_special(executor, command, verbose, pattern, pgspecial): + # We don't have any tests for the output of any of the special commands, + # but we can at least make sure they run without error + sql = r"\{command}{verbose} {pattern}".format(**locals()) + list(executor.run(sql, pgspecial=pgspecial)) + + +@dbtest +@pytest.mark.parametrize("sql", ["invalid sql", "SELECT 1; select error;"]) +def test_raises_with_no_formatter(executor, sql): + with pytest.raises(psycopg2.ProgrammingError): + list(executor.run(sql)) + + +@dbtest +def test_on_error_resume(executor, exception_formatter): + sql = "select 1; error; select 1;" + result = list( + executor.run(sql, on_error_resume=True, exception_formatter=exception_formatter) + ) + assert len(result) == 3 + + +@dbtest +def test_on_error_stop(executor, exception_formatter): + sql = "select 1; error; select 1;" + result = list( + executor.run( + sql, on_error_resume=False, exception_formatter=exception_formatter + ) + ) + assert len(result) == 2 + + +# @dbtest +# def test_unicode_notices(executor): +# sql = "DO language plpgsql $$ BEGIN RAISE NOTICE '有人更改'; END $$;" +# result = list(executor.run(sql)) +# assert result[0][0] == u'NOTICE: 有人更改\n' + + +@dbtest +def test_nonexistent_function_definition(executor): + with pytest.raises(RuntimeError): + result = executor.view_definition("there_is_no_such_function") + + +@dbtest +def test_function_definition(executor): + run( + executor, + """ + CREATE OR REPLACE FUNCTION public.the_number_three() + RETURNS int + LANGUAGE sql + AS $function$ + select 3; + $function$ + """, + ) + result = executor.function_definition("the_number_three") + + +@dbtest +def test_view_definition(executor): + run(executor, "create table tbl1 (a text, b numeric)") + run(executor, "create view vw1 AS SELECT * FROM tbl1") + run(executor, "create materialized view mvw1 AS SELECT * FROM tbl1") + result = executor.view_definition("vw1") + assert "FROM tbl1" in result + # import pytest; pytest.set_trace() + result = executor.view_definition("mvw1") + assert "MATERIALIZED VIEW" in result + + +@dbtest +def test_nonexistent_view_definition(executor): + with pytest.raises(RuntimeError): + result = executor.view_definition("there_is_no_such_view") + with pytest.raises(RuntimeError): + result = executor.view_definition("mvw1") + + +@dbtest +def test_short_host(executor): + with patch.object(executor, "host", "localhost"): + assert executor.short_host == "localhost" + with patch.object(executor, "host", "localhost.example.org"): + assert executor.short_host == "localhost" + with patch.object( + executor, "host", "localhost1.example.org,localhost2.example.org" + ): + assert executor.short_host == "localhost1" + + +class BrokenConnection(object): + """Mock a connection that failed.""" + + def cursor(self): + raise psycopg2.InterfaceError("I'm broken!") + + +@dbtest +def test_exit_without_active_connection(executor): + quit_handler = MagicMock() + pgspecial = PGSpecial() + pgspecial.register( + quit_handler, + "\\q", + "\\q", + "Quit pgcli.", + arg_type=NO_QUERY, + case_sensitive=True, + aliases=(":q",), + ) + + with patch.object(executor, "conn", BrokenConnection()): + # we should be able to quit the app, even without active connection + run(executor, "\\q", pgspecial=pgspecial) + quit_handler.assert_called_once() + + # an exception should be raised when running a query without active connection + with pytest.raises(psycopg2.InterfaceError): + run(executor, "select 1", pgspecial=pgspecial) |