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authorDaniel Baumann <daniel.baumann@progress-linux.org>2020-08-14 16:58:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2021-02-07 10:11:48 +0000
commit4edd467b28c895483cd5468d51d1c6824a21715a (patch)
tree04a4f32d617905acfc23653025b6e8d3899f51c6 /tests/test_completion_engine.py
parentInitial commit. (diff)
downloadlitecli-4edd467b28c895483cd5468d51d1c6824a21715a.tar.xz
litecli-4edd467b28c895483cd5468d51d1c6824a21715a.zip
Adding upstream version 1.5.0.upstream/1.5.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/test_completion_engine.py')
-rw-r--r--tests/test_completion_engine.py655
1 files changed, 655 insertions, 0 deletions
diff --git a/tests/test_completion_engine.py b/tests/test_completion_engine.py
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+++ b/tests/test_completion_engine.py
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+from litecli.packages.completion_engine import suggest_type
+import pytest
+
+
+def sorted_dicts(dicts):
+ """input is a list of dicts."""
+ return sorted(tuple(x.items()) for x in dicts)
+
+
+def test_select_suggests_cols_with_visible_table_scope():
+ suggestions = suggest_type("SELECT FROM tabl", "SELECT ")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["tabl"]},
+ {"type": "column", "tables": [(None, "tabl", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+def test_select_suggests_cols_with_qualified_table_scope():
+ suggestions = suggest_type("SELECT FROM sch.tabl", "SELECT ")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["tabl"]},
+ {"type": "column", "tables": [("sch", "tabl", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+def test_order_by_suggests_cols_with_qualified_table_scope():
+ suggestions = suggest_type(
+ "SELECT * FROM sch.tabl ORDER BY ", "SELECT * FROM sch.tabl ORDER BY "
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [{"type": "column", "tables": [("sch", "tabl", None)]},]
+ )
+
+
+@pytest.mark.parametrize(
+ "expression",
+ [
+ "SELECT * FROM tabl WHERE ",
+ "SELECT * FROM tabl WHERE (",
+ "SELECT * FROM tabl WHERE foo = ",
+ "SELECT * FROM tabl WHERE bar OR ",
+ "SELECT * FROM tabl WHERE foo = 1 AND ",
+ "SELECT * FROM tabl WHERE (bar > 10 AND ",
+ "SELECT * FROM tabl WHERE (bar AND (baz OR (qux AND (",
+ "SELECT * FROM tabl WHERE 10 < ",
+ "SELECT * FROM tabl WHERE foo BETWEEN ",
+ "SELECT * FROM tabl WHERE foo BETWEEN foo AND ",
+ ],
+)
+def test_where_suggests_columns_functions(expression):
+ suggestions = suggest_type(expression, expression)
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["tabl"]},
+ {"type": "column", "tables": [(None, "tabl", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+@pytest.mark.parametrize(
+ "expression",
+ ["SELECT * FROM tabl WHERE foo IN (", "SELECT * FROM tabl WHERE foo IN (bar, "],
+)
+def test_where_in_suggests_columns(expression):
+ suggestions = suggest_type(expression, expression)
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["tabl"]},
+ {"type": "column", "tables": [(None, "tabl", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+def test_where_equals_any_suggests_columns_or_keywords():
+ text = "SELECT * FROM tabl WHERE foo = ANY("
+ suggestions = suggest_type(text, text)
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["tabl"]},
+ {"type": "column", "tables": [(None, "tabl", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+def test_lparen_suggests_cols():
+ suggestion = suggest_type("SELECT MAX( FROM tbl", "SELECT MAX(")
+ assert suggestion == [{"type": "column", "tables": [(None, "tbl", None)]}]
+
+
+def test_operand_inside_function_suggests_cols1():
+ suggestion = suggest_type("SELECT MAX(col1 + FROM tbl", "SELECT MAX(col1 + ")
+ assert suggestion == [{"type": "column", "tables": [(None, "tbl", None)]}]
+
+
+def test_operand_inside_function_suggests_cols2():
+ suggestion = suggest_type(
+ "SELECT MAX(col1 + col2 + FROM tbl", "SELECT MAX(col1 + col2 + "
+ )
+ assert suggestion == [{"type": "column", "tables": [(None, "tbl", None)]}]
+
+
+def test_select_suggests_cols_and_funcs():
+ suggestions = suggest_type("SELECT ", "SELECT ")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": []},
+ {"type": "column", "tables": []},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+@pytest.mark.parametrize(
+ "expression",
+ [
+ "SELECT * FROM ",
+ "INSERT INTO ",
+ "COPY ",
+ "UPDATE ",
+ "DESCRIBE ",
+ "DESC ",
+ "EXPLAIN ",
+ "SELECT * FROM foo JOIN ",
+ ],
+)
+def test_expression_suggests_tables_views_and_schemas(expression):
+ suggestions = suggest_type(expression, expression)
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+
+@pytest.mark.parametrize(
+ "expression",
+ [
+ "SELECT * FROM sch.",
+ "INSERT INTO sch.",
+ "COPY sch.",
+ "UPDATE sch.",
+ "DESCRIBE sch.",
+ "DESC sch.",
+ "EXPLAIN sch.",
+ "SELECT * FROM foo JOIN sch.",
+ ],
+)
+def test_expression_suggests_qualified_tables_views_and_schemas(expression):
+ suggestions = suggest_type(expression, expression)
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [{"type": "table", "schema": "sch"}, {"type": "view", "schema": "sch"}]
+ )
+
+
+def test_truncate_suggests_tables_and_schemas():
+ suggestions = suggest_type("TRUNCATE ", "TRUNCATE ")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [{"type": "table", "schema": []}, {"type": "schema"}]
+ )
+
+
+def test_truncate_suggests_qualified_tables():
+ suggestions = suggest_type("TRUNCATE sch.", "TRUNCATE sch.")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [{"type": "table", "schema": "sch"}]
+ )
+
+
+def test_distinct_suggests_cols():
+ suggestions = suggest_type("SELECT DISTINCT ", "SELECT DISTINCT ")
+ assert suggestions == [{"type": "column", "tables": []}]
+
+
+def test_col_comma_suggests_cols():
+ suggestions = suggest_type("SELECT a, b, FROM tbl", "SELECT a, b,")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["tbl"]},
+ {"type": "column", "tables": [(None, "tbl", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+def test_table_comma_suggests_tables_and_schemas():
+ suggestions = suggest_type("SELECT a, b FROM tbl1, ", "SELECT a, b FROM tbl1, ")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+
+def test_into_suggests_tables_and_schemas():
+ suggestion = suggest_type("INSERT INTO ", "INSERT INTO ")
+ assert sorted_dicts(suggestion) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+
+def test_insert_into_lparen_suggests_cols():
+ suggestions = suggest_type("INSERT INTO abc (", "INSERT INTO abc (")
+ assert suggestions == [{"type": "column", "tables": [(None, "abc", None)]}]
+
+
+def test_insert_into_lparen_partial_text_suggests_cols():
+ suggestions = suggest_type("INSERT INTO abc (i", "INSERT INTO abc (i")
+ assert suggestions == [{"type": "column", "tables": [(None, "abc", None)]}]
+
+
+def test_insert_into_lparen_comma_suggests_cols():
+ suggestions = suggest_type("INSERT INTO abc (id,", "INSERT INTO abc (id,")
+ assert suggestions == [{"type": "column", "tables": [(None, "abc", None)]}]
+
+
+def test_partially_typed_col_name_suggests_col_names():
+ suggestions = suggest_type(
+ "SELECT * FROM tabl WHERE col_n", "SELECT * FROM tabl WHERE col_n"
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["tabl"]},
+ {"type": "column", "tables": [(None, "tabl", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+def test_dot_suggests_cols_of_a_table_or_schema_qualified_table():
+ suggestions = suggest_type("SELECT tabl. FROM tabl", "SELECT tabl.")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "column", "tables": [(None, "tabl", None)]},
+ {"type": "table", "schema": "tabl"},
+ {"type": "view", "schema": "tabl"},
+ {"type": "function", "schema": "tabl"},
+ ]
+ )
+
+
+def test_dot_suggests_cols_of_an_alias():
+ suggestions = suggest_type("SELECT t1. FROM tabl1 t1, tabl2 t2", "SELECT t1.")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "table", "schema": "t1"},
+ {"type": "view", "schema": "t1"},
+ {"type": "column", "tables": [(None, "tabl1", "t1")]},
+ {"type": "function", "schema": "t1"},
+ ]
+ )
+
+
+def test_dot_col_comma_suggests_cols_or_schema_qualified_table():
+ suggestions = suggest_type(
+ "SELECT t1.a, t2. FROM tabl1 t1, tabl2 t2", "SELECT t1.a, t2."
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "column", "tables": [(None, "tabl2", "t2")]},
+ {"type": "table", "schema": "t2"},
+ {"type": "view", "schema": "t2"},
+ {"type": "function", "schema": "t2"},
+ ]
+ )
+
+
+@pytest.mark.parametrize(
+ "expression",
+ [
+ "SELECT * FROM (",
+ "SELECT * FROM foo WHERE EXISTS (",
+ "SELECT * FROM foo WHERE bar AND NOT EXISTS (",
+ "SELECT 1 AS",
+ ],
+)
+def test_sub_select_suggests_keyword(expression):
+ suggestion = suggest_type(expression, expression)
+ assert suggestion == [{"type": "keyword"}]
+
+
+@pytest.mark.parametrize(
+ "expression",
+ [
+ "SELECT * FROM (S",
+ "SELECT * FROM foo WHERE EXISTS (S",
+ "SELECT * FROM foo WHERE bar AND NOT EXISTS (S",
+ ],
+)
+def test_sub_select_partial_text_suggests_keyword(expression):
+ suggestion = suggest_type(expression, expression)
+ assert suggestion == [{"type": "keyword"}]
+
+
+def test_outer_table_reference_in_exists_subquery_suggests_columns():
+ q = "SELECT * FROM foo f WHERE EXISTS (SELECT 1 FROM bar WHERE f."
+ suggestions = suggest_type(q, q)
+ assert suggestions == [
+ {"type": "column", "tables": [(None, "foo", "f")]},
+ {"type": "table", "schema": "f"},
+ {"type": "view", "schema": "f"},
+ {"type": "function", "schema": "f"},
+ ]
+
+
+@pytest.mark.parametrize(
+ "expression",
+ [
+ "SELECT * FROM (SELECT * FROM ",
+ "SELECT * FROM foo WHERE EXISTS (SELECT * FROM ",
+ "SELECT * FROM foo WHERE bar AND NOT EXISTS (SELECT * FROM ",
+ ],
+)
+def test_sub_select_table_name_completion(expression):
+ suggestion = suggest_type(expression, expression)
+ assert sorted_dicts(suggestion) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+
+def test_sub_select_col_name_completion():
+ suggestions = suggest_type(
+ "SELECT * FROM (SELECT FROM abc", "SELECT * FROM (SELECT "
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["abc"]},
+ {"type": "column", "tables": [(None, "abc", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+@pytest.mark.xfail
+def test_sub_select_multiple_col_name_completion():
+ suggestions = suggest_type(
+ "SELECT * FROM (SELECT a, FROM abc", "SELECT * FROM (SELECT a, "
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "column", "tables": [(None, "abc", None)]},
+ {"type": "function", "schema": []},
+ ]
+ )
+
+
+def test_sub_select_dot_col_name_completion():
+ suggestions = suggest_type(
+ "SELECT * FROM (SELECT t. FROM tabl t", "SELECT * FROM (SELECT t."
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "column", "tables": [(None, "tabl", "t")]},
+ {"type": "table", "schema": "t"},
+ {"type": "view", "schema": "t"},
+ {"type": "function", "schema": "t"},
+ ]
+ )
+
+
+@pytest.mark.parametrize("join_type", ["", "INNER", "LEFT", "RIGHT OUTER"])
+@pytest.mark.parametrize("tbl_alias", ["", "foo"])
+def test_join_suggests_tables_and_schemas(tbl_alias, join_type):
+ text = "SELECT * FROM abc {0} {1} JOIN ".format(tbl_alias, join_type)
+ suggestion = suggest_type(text, text)
+ assert sorted_dicts(suggestion) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+
+@pytest.mark.parametrize(
+ "sql",
+ [
+ "SELECT * FROM abc a JOIN def d ON a.",
+ "SELECT * FROM abc a JOIN def d ON a.id = d.id AND a.",
+ ],
+)
+def test_join_alias_dot_suggests_cols1(sql):
+ suggestions = suggest_type(sql, sql)
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "column", "tables": [(None, "abc", "a")]},
+ {"type": "table", "schema": "a"},
+ {"type": "view", "schema": "a"},
+ {"type": "function", "schema": "a"},
+ ]
+ )
+
+
+@pytest.mark.parametrize(
+ "sql",
+ [
+ "SELECT * FROM abc a JOIN def d ON a.id = d.",
+ "SELECT * FROM abc a JOIN def d ON a.id = d.id AND a.id2 = d.",
+ ],
+)
+def test_join_alias_dot_suggests_cols2(sql):
+ suggestions = suggest_type(sql, sql)
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "column", "tables": [(None, "def", "d")]},
+ {"type": "table", "schema": "d"},
+ {"type": "view", "schema": "d"},
+ {"type": "function", "schema": "d"},
+ ]
+ )
+
+
+@pytest.mark.parametrize(
+ "sql",
+ [
+ "select a.x, b.y from abc a join bcd b on ",
+ "select a.x, b.y from abc a join bcd b on a.id = b.id OR ",
+ ],
+)
+def test_on_suggests_aliases(sql):
+ suggestions = suggest_type(sql, sql)
+ assert suggestions == [{"type": "alias", "aliases": ["a", "b"]}]
+
+
+@pytest.mark.parametrize(
+ "sql",
+ [
+ "select abc.x, bcd.y from abc join bcd on ",
+ "select abc.x, bcd.y from abc join bcd on abc.id = bcd.id AND ",
+ ],
+)
+def test_on_suggests_tables(sql):
+ suggestions = suggest_type(sql, sql)
+ assert suggestions == [{"type": "alias", "aliases": ["abc", "bcd"]}]
+
+
+@pytest.mark.parametrize(
+ "sql",
+ [
+ "select a.x, b.y from abc a join bcd b on a.id = ",
+ "select a.x, b.y from abc a join bcd b on a.id = b.id AND a.id2 = ",
+ ],
+)
+def test_on_suggests_aliases_right_side(sql):
+ suggestions = suggest_type(sql, sql)
+ assert suggestions == [{"type": "alias", "aliases": ["a", "b"]}]
+
+
+@pytest.mark.parametrize(
+ "sql",
+ [
+ "select abc.x, bcd.y from abc join bcd on ",
+ "select abc.x, bcd.y from abc join bcd on abc.id = bcd.id and ",
+ ],
+)
+def test_on_suggests_tables_right_side(sql):
+ suggestions = suggest_type(sql, sql)
+ assert suggestions == [{"type": "alias", "aliases": ["abc", "bcd"]}]
+
+
+@pytest.mark.parametrize("col_list", ["", "col1, "])
+def test_join_using_suggests_common_columns(col_list):
+ text = "select * from abc inner join def using (" + col_list
+ assert suggest_type(text, text) == [
+ {
+ "type": "column",
+ "tables": [(None, "abc", None), (None, "def", None)],
+ "drop_unique": True,
+ }
+ ]
+
+
+def test_2_statements_2nd_current():
+ suggestions = suggest_type(
+ "select * from a; select * from ", "select * from a; select * from "
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+ suggestions = suggest_type(
+ "select * from a; select from b", "select * from a; select "
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["b"]},
+ {"type": "column", "tables": [(None, "b", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+ # Should work even if first statement is invalid
+ suggestions = suggest_type(
+ "select * from; select * from ", "select * from; select * from "
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+
+def test_2_statements_1st_current():
+ suggestions = suggest_type("select * from ; select * from b", "select * from ")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+ suggestions = suggest_type("select from a; select * from b", "select ")
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["a"]},
+ {"type": "column", "tables": [(None, "a", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+def test_3_statements_2nd_current():
+ suggestions = suggest_type(
+ "select * from a; select * from ; select * from c",
+ "select * from a; select * from ",
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+ suggestions = suggest_type(
+ "select * from a; select from b; select * from c", "select * from a; select "
+ )
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "alias", "aliases": ["b"]},
+ {"type": "column", "tables": [(None, "b", None)]},
+ {"type": "function", "schema": []},
+ {"type": "keyword"},
+ ]
+ )
+
+
+def test_create_db_with_template():
+ suggestions = suggest_type(
+ "create database foo with template ", "create database foo with template "
+ )
+
+ assert sorted_dicts(suggestions) == sorted_dicts([{"type": "database"}])
+
+
+@pytest.mark.parametrize("initial_text", ["", " ", "\t \t"])
+def test_specials_included_for_initial_completion(initial_text):
+ suggestions = suggest_type(initial_text, initial_text)
+
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [{"type": "keyword"}, {"type": "special"}]
+ )
+
+
+def test_specials_not_included_after_initial_token():
+ suggestions = suggest_type("create table foo (dt d", "create table foo (dt d")
+
+ assert sorted_dicts(suggestions) == sorted_dicts([{"type": "keyword"}])
+
+
+def test_drop_schema_qualified_table_suggests_only_tables():
+ text = "DROP TABLE schema_name.table_name"
+ suggestions = suggest_type(text, text)
+ assert suggestions == [{"type": "table", "schema": "schema_name"}]
+
+
+@pytest.mark.parametrize("text", [",", " ,", "sel ,"])
+def test_handle_pre_completion_comma_gracefully(text):
+ suggestions = suggest_type(text, text)
+
+ assert iter(suggestions)
+
+
+def test_cross_join():
+ text = "select * from v1 cross join v2 JOIN v1.id, "
+ suggestions = suggest_type(text, text)
+ assert sorted_dicts(suggestions) == sorted_dicts(
+ [
+ {"type": "table", "schema": []},
+ {"type": "view", "schema": []},
+ {"type": "schema"},
+ ]
+ )
+
+
+@pytest.mark.parametrize("expression", ["SELECT 1 AS ", "SELECT 1 FROM tabl AS "])
+def test_after_as(expression):
+ suggestions = suggest_type(expression, expression)
+ assert set(suggestions) == set()
+
+
+@pytest.mark.parametrize(
+ "expression",
+ [
+ "\\. ",
+ "select 1; \\. ",
+ "select 1;\\. ",
+ "select 1 ; \\. ",
+ "source ",
+ "truncate table test; source ",
+ "truncate table test ; source ",
+ "truncate table test;source ",
+ ],
+)
+def test_source_is_file(expression):
+ suggestions = suggest_type(expression, expression)
+ assert suggestions == [{"type": "file_name"}]