diff options
Diffstat (limited to 'test/query/ast_test')
| -rw-r--r-- | test/query/ast_test/test_fetch.py | 239 | ||||
| -rw-r--r-- | test/query/ast_test/test_filter_.py | 118 |
2 files changed, 351 insertions, 6 deletions
diff --git a/test/query/ast_test/test_fetch.py b/test/query/ast_test/test_fetch.py new file mode 100644 index 0000000..0c48a1f --- /dev/null +++ b/test/query/ast_test/test_fetch.py @@ -0,0 +1,239 @@ +""" + +Part of the tagit test suite. +A copy of the license is provided with the project. +Author: Matthias Baumgartner, 2022 +""" +# imports +import unittest + +# bsfs imports +from bsfs.namespace import ns +from bsfs.utils import URI + +# objects to test +from bsfs.query.ast.fetch import FetchExpression +from bsfs.query.ast.fetch import All, This +from bsfs.query.ast.fetch import _Branch, Fetch +from bsfs.query.ast.fetch import _Named, Node, Value + + +## code ## + +class TestExpression(unittest.TestCase): # FetchExpression + def test_essentials(self): + class Foo(FetchExpression): pass + # comparison + self.assertEqual(FetchExpression(), FetchExpression()) + self.assertEqual(hash(FetchExpression()), hash(FetchExpression())) + # comparison respects type + self.assertNotEqual(FetchExpression(), Foo()) + self.assertNotEqual(hash(FetchExpression()), hash(Foo())) + # string conversion + self.assertEqual(str(FetchExpression()), 'FetchExpression()') + self.assertEqual(repr(FetchExpression()), 'FetchExpression()') + self.assertEqual(str(Foo()), 'Foo()') + self.assertEqual(repr(Foo()), 'Foo()') + + +class TestAll(unittest.TestCase): # All + def test_essentials(self): + class Foo(All): pass + expr0 = This('hello') + expr1 = This('world') + # comparison + self.assertEqual(All(expr0), All(expr0)) + self.assertEqual(hash(All(expr0)), hash(All(expr0))) + # comparison respects type + self.assertNotEqual(All(expr0), Foo(expr0)) + self.assertNotEqual(hash(All(expr0)), hash(Foo(expr0))) + # comparison respects expressions + self.assertEqual(All(expr0, expr1), All(expr0, expr1)) + self.assertEqual(hash(All(expr0, expr1)), hash(All(expr0, expr1))) + self.assertNotEqual(All(expr0), All(expr1)) + self.assertNotEqual(hash(All(expr0)), hash(All(expr1))) + # expressions are unordered + self.assertEqual(All(expr0, expr1), All(expr1, expr0)) + self.assertEqual(hash(All(expr0, expr1)), hash(All(expr1, expr0))) + # string conversion + self.assertIn(str(All(expr0, expr1)), { + 'All({This(world), This(hello)})', + 'All({This(hello), This(world)})'}) + self.assertIn(repr(All(expr0, expr1)), { + 'All({This(world), This(hello)})', + 'All({This(hello), This(world)})'}) + + def test_members(self): + class Foo(): pass + expr0 = This('hello') + expr1 = This('world') + # requires at least one child expression + self.assertRaises(AttributeError, All) + # expr returns child expressions + self.assertEqual(All(expr0, expr1).expr, {expr0, expr1}) + # can pass expressions as arguments + self.assertEqual(All(expr0, expr1).expr, {expr0, expr1}) + # can pass a single expression as argument + self.assertEqual(All(expr0).expr, {expr0}) + # can pass expressions as list-like + self.assertEqual(All([expr0, expr1]).expr, {expr0, expr1}) + self.assertEqual(All((expr0, expr1)).expr, {expr0, expr1}) + self.assertEqual(All({expr0, expr1}).expr, {expr0, expr1}) + # can pass a single expression as list-like + self.assertEqual(All([expr0]).expr, {expr0}) + # must pass a FilterExpression + self.assertRaises(TypeError, All, Foo()) + self.assertRaises(TypeError, All, 1234) + self.assertRaises(TypeError, All, 'hello world') + # len returns the number of child expressions + self.assertEqual(len(All(expr0)), 1) + self.assertEqual(len(All(expr0, expr1)), 2) + # iter iterates over child expressions + self.assertSetEqual(set(All(expr0, expr1)), {expr0, expr1}) + + +class TestThis(unittest.TestCase): # This + def test_essentials(self): + class Foo(This): pass + # comparison + self.assertEqual(This('hello'), This('hello')) + self.assertEqual(hash(This('hello')), hash(This('hello'))) + # comparison respects type + self.assertNotEqual(This('hello'), Foo('hello')) + self.assertNotEqual(hash(This('hello')), hash(Foo('hello'))) + # comparison respects name + self.assertNotEqual(This('hello'), This('world')) + self.assertNotEqual(hash(This('hello')), hash(This('world'))) + # string conversion + self.assertEqual(str(This('hello')), 'This(hello)') + self.assertEqual(repr(This('hello')), 'This(hello)') + + def test_members(self): + class Foo(): pass + # name returns member + self.assertEqual(This('hello').name, 'hello') + self.assertEqual(This('world').name, 'world') + # name is converted to a string + self.assertEqual(This(1234).name, '1234') + foo = Foo() + self.assertEqual(This(foo).name, str(foo)) + + +class TestBranch(unittest.TestCase): # _Branch, Fetch + def test_essentials(self): + pred = ns.bse.tag + expr = FetchExpression() + # comparison + self.assertEqual(_Branch(pred), _Branch(pred)) + self.assertEqual(hash(_Branch(pred)), hash(_Branch(pred))) + self.assertEqual(Fetch(pred, expr), Fetch(pred, expr)) + self.assertEqual(hash(Fetch(pred, expr)), hash(Fetch(pred, expr))) + # comparison respects type + self.assertNotEqual(_Branch(pred), Fetch(pred, expr)) + self.assertNotEqual(hash(_Branch(pred)), hash(Fetch(pred, expr))) + self.assertNotEqual(Fetch(pred, expr), _Branch(pred)) + self.assertNotEqual(hash(Fetch(pred, expr)), hash(_Branch(pred))) + # comparison respects predicate + self.assertNotEqual(_Branch(pred), _Branch(ns.bse.filesize)) + self.assertNotEqual(hash(_Branch(pred)), hash(_Branch(ns.bse.filesize))) + self.assertNotEqual(Fetch(pred, expr), Fetch(ns.bse.filesize, expr)) + self.assertNotEqual(hash(Fetch(pred, expr)), hash(Fetch(ns.bse.filesize, expr))) + # comparison respects expression + self.assertNotEqual(Fetch(pred, expr), Fetch(pred, This('foo'))) + self.assertNotEqual(hash(Fetch(pred, expr)), hash(Fetch(pred, This('foo')))) + # string conversion + self.assertEqual(str(_Branch(pred)), f'_Branch({pred})') + self.assertEqual(repr(_Branch(pred)), f'_Branch({pred})') + self.assertEqual(str(Fetch(pred, expr)), f'Fetch({pred}, {expr})') + self.assertEqual(repr(Fetch(pred, expr)), f'Fetch({pred}, {expr})') + + def test_members(self): + class Foo(): pass + pred = ns.bse.tag + expr = FetchExpression() + + # predicate returns member + self.assertEqual(_Branch(pred).predicate, pred) + self.assertEqual(Fetch(pred, expr).predicate, pred) + # can pass an URI + self.assertEqual(_Branch(ns.bse.filename).predicate, ns.bse.filename) + self.assertEqual(Fetch(ns.bse.filename, expr).predicate, ns.bse.filename) + # must pass an URI + self.assertRaises(TypeError, _Branch, Foo()) + self.assertRaises(TypeError, Fetch, Foo(), expr) + # expression returns member + self.assertEqual(Fetch(pred, expr).expr, expr) + # expression must be a FilterExpression + self.assertRaises(TypeError, Fetch, ns.bse.filename, 'hello') + self.assertRaises(TypeError, Fetch, ns.bse.filename, 1234) + self.assertRaises(TypeError, Fetch, ns.bse.filename, Foo()) + + +class TestNamed(unittest.TestCase): # _Named, Node, Value + def test_essentials(self): + pred = ns.bse.tag + name = 'foobar' + # comparison + self.assertEqual(_Named(pred, name), _Named(pred, name)) + self.assertEqual(hash(_Named(pred, name)), hash(_Named(pred, name))) + # comparison respects type + self.assertNotEqual(_Named(pred, name), Node(pred, name)) + self.assertNotEqual(Node(pred, name), Value(pred, name)) + self.assertNotEqual(Value(pred, name), _Named(pred, name)) + self.assertNotEqual(hash(_Named(pred, name)), hash(Node(pred, name))) + self.assertNotEqual(hash(Node(pred, name)), hash(Value(pred, name))) + self.assertNotEqual(hash(Value(pred, name)), hash(_Named(pred, name))) + # comparison respects predicate + self.assertNotEqual(_Named(pred, name), _Named(ns.bse.filesize, name)) + self.assertNotEqual(hash(_Named(pred, name)), hash(_Named(ns.bse.filesize, name))) + self.assertNotEqual(Node(pred, name), Node(ns.bse.filesize, name)) + self.assertNotEqual(hash(Node(pred, name)), hash(Node(ns.bse.filesize, name))) + self.assertNotEqual(Value(pred, name), Value(ns.bse.filesize, name)) + self.assertNotEqual(hash(Value(pred, name)), hash(Value(ns.bse.filesize, name))) + # comparison respects name + self.assertNotEqual(_Named(pred, name), _Named(pred, 'foo')) + self.assertNotEqual(hash(_Named(pred, name)), hash(_Named(pred, 'foo'))) + self.assertNotEqual(Node(pred, name), Node(pred, 'foo')) + self.assertNotEqual(hash(Node(pred, name)), hash(Node(pred, 'foo'))) + self.assertNotEqual(Value(pred, name), Value(pred, 'foo')) + self.assertNotEqual(hash(Value(pred, name)), hash(Value(pred, 'foo'))) + # string conversion + self.assertEqual(str(_Named(pred, name)), f'_Named({pred}, {name})') + self.assertEqual(repr(_Named(pred, name)), f'_Named({pred}, {name})') + self.assertEqual(str(Node(pred, name)), f'Node({pred}, {name})') + self.assertEqual(repr(Node(pred, name)), f'Node({pred}, {name})') + self.assertEqual(str(Value(pred, name)), f'Value({pred}, {name})') + self.assertEqual(repr(Value(pred, name)), f'Value({pred}, {name})') + + def test_members(self): + class Foo(): pass + pred = ns.bse.tag + name = 'foobar' + # predicate returns member + self.assertEqual(_Named(pred, name).predicate, pred) + self.assertEqual(Node(pred, name).predicate, pred) + self.assertEqual(Value(pred, name).predicate, pred) + # can pass an URI as predicate + self.assertEqual(_Named(ns.bse.filename, name).predicate, ns.bse.filename) + self.assertEqual(Node(ns.bse.filename, name).predicate, ns.bse.filename) + self.assertEqual(Value(ns.bse.filename, name).predicate, ns.bse.filename) + # must pass an URI + self.assertRaises(TypeError, _Named, Foo(), name) + self.assertRaises(TypeError, Node, Foo(), name) + self.assertRaises(TypeError, Value, Foo(), name) + # name returns member + self.assertEqual(_Named(pred, name).name, name) + self.assertEqual(Node(pred, name).name, name) + self.assertEqual(Value(pred, name).name, name) + # name is converted to a string + self.assertEqual(_Named(pred, 1234).name, '1234') + self.assertEqual(Node(pred, 1234).name, '1234') + self.assertEqual(Value(pred, 1234).name, '1234') + + +## main ## + +if __name__ == '__main__': + unittest.main() + +## EOF ## diff --git a/test/query/ast_test/test_filter_.py b/test/query/ast_test/test_filter_.py index 9eb92e2..39b98f8 100644 --- a/test/query/ast_test/test_filter_.py +++ b/test/query/ast_test/test_filter_.py @@ -20,6 +20,7 @@ from bsfs.query.ast.filter_ import _Value, Is, Equals, Substring, StartsWith, En from bsfs.query.ast.filter_ import _Bounded, LessThan, GreaterThan from bsfs.query.ast.filter_ import Predicate, OneOf from bsfs.query.ast.filter_ import IsIn, IsNotIn +from bsfs.query.ast.filter_ import Includes, Excludes, Between ## code ## @@ -456,13 +457,15 @@ class TestOneOf(unittest.TestCase): self.assertEqual(len(OneOf(Predicate(ns.bse.filesize), Predicate(ns.bse.filename), Predicate(ns.bse.tag))), 3) - def testIsIn(self): + def test_IsIn(self): + # cannot pass zero arguments + self.assertRaises(AttributeError, IsIn) # can pass expressions as arguments self.assertEqual(IsIn('http://example.com/entity#1234', 'http://example.com/entity#4321'), Or(Is('http://example.com/entity#1234'), Is('http://example.com/entity#4321'))) # can pass one expression as argument self.assertEqual(IsIn('http://example.com/entity#1234'), - Or(Is('http://example.com/entity#1234'))) + Is('http://example.com/entity#1234')) # can pass expressions as iterator self.assertEqual(IsIn(iter(('http://example.com/entity#1234', 'http://example.com/entity#4321'))), Or(Is('http://example.com/entity#1234'), Is('http://example.com/entity#4321'))) @@ -477,16 +480,18 @@ class TestOneOf(unittest.TestCase): Or(Is('http://example.com/entity#1234'), Is('http://example.com/entity#4321'))) # can pass one expression as list-like self.assertEqual(IsIn(['http://example.com/entity#1234']), - Or(Is('http://example.com/entity#1234'))) + Is('http://example.com/entity#1234')) - def testIsNotIn(self): + def test_IsNotIn(self): + # cannot pass zero arguments + self.assertRaises(AttributeError, IsNotIn) # can pass expressions as arguments self.assertEqual(IsNotIn('http://example.com/entity#1234', 'http://example.com/entity#4321'), Not(Or(Is('http://example.com/entity#1234'), Is('http://example.com/entity#4321')))) # can pass one expression as argument self.assertEqual(IsNotIn('http://example.com/entity#1234'), - Not(Or(Is('http://example.com/entity#1234')))) + Not(Is('http://example.com/entity#1234'))) # can pass expressions as iterator self.assertEqual(IsNotIn(iter(('http://example.com/entity#1234', 'http://example.com/entity#4321'))), Not(Or(Is('http://example.com/entity#1234'), Is('http://example.com/entity#4321')))) @@ -501,9 +506,110 @@ class TestOneOf(unittest.TestCase): Not(Or(Is('http://example.com/entity#1234'), Is('http://example.com/entity#4321')))) # can pass one expression as list-like self.assertEqual(IsNotIn(['http://example.com/entity#1234']), - Not(Or(Is('http://example.com/entity#1234')))) + Not(Is('http://example.com/entity#1234'))) + def test_Includes(self): + # cannot pass zero arguments + self.assertRaises(AttributeError, Includes) + # can pass expressions as arguments + self.assertEqual(Includes('hello', 'world'), + Or(Equals('hello'), Equals('world'))) + self.assertEqual(Includes('hello', 'world', approx=True), + Or(Substring('hello'), Substring('world'))) + # can pass one expression as argument + self.assertEqual(Includes('hello'), + Equals('hello')) + self.assertEqual(Includes('hello', approx=True), + Substring('hello')) + # can pass expressions as iterator + self.assertEqual(Includes(iter(('hello', 'world'))), + Or(Equals('hello'), Equals('world'))) + self.assertEqual(Includes(iter(('hello', 'world')), approx=True), + Or(Substring('hello'), Substring('world'))) + # can pass expressions as generator + def gen(): + yield 'hello' + yield 'world' + self.assertEqual(Includes(gen()), + Or(Equals('hello'), Equals('world'))) + self.assertEqual(Includes(gen(), approx=True), + Or(Substring('hello'), Substring('world'))) + # can pass expressions as list-like + self.assertEqual(Includes(['hello', 'world']), + Or(Equals('hello'), Equals('world'))) + self.assertEqual(Includes(['hello', 'world'], approx=True), + Or(Substring('hello'), Substring('world'))) + # can pass one expression as list-like + self.assertEqual(Includes(['hello']), + Equals('hello')) + self.assertEqual(Includes(['hello'], approx=True), + Substring('hello')) + + + def test_Excludes(self): + # cannot pass zero arguments + self.assertRaises(AttributeError, Excludes) + # can pass expressions as arguments + self.assertEqual(Excludes('hello', 'world'), + Not(Or(Equals('hello'), Equals('world')))) + self.assertEqual(Excludes('hello', 'world', approx=True), + Not(Or(Substring('hello'), Substring('world')))) + # can pass one expression as argument + self.assertEqual(Excludes('hello'), + Not(Equals('hello'))) + self.assertEqual(Excludes('hello', approx=True), + Not(Substring('hello'))) + # can pass expressions as iterator + self.assertEqual(Excludes(iter(('hello', 'world'))), + Not(Or(Equals('hello'), Equals('world')))) + self.assertEqual(Excludes(iter(('hello', 'world')), approx=True), + Not(Or(Substring('hello'), Substring('world')))) + # can pass expressions as generator + def gen(): + yield 'hello' + yield 'world' + self.assertEqual(Excludes(gen()), + Not(Or(Equals('hello'), Equals('world')))) + self.assertEqual(Excludes(gen(), approx=True), + Not(Or(Substring('hello'), Substring('world')))) + # can pass expressions as list-like + self.assertEqual(Excludes(['hello', 'world']), + Not(Or(Equals('hello'), Equals('world')))) + self.assertEqual(Excludes(['hello', 'world'], approx=True), + Not(Or(Substring('hello'), Substring('world')))) + # can pass one expression as list-like + self.assertEqual(Excludes(['hello']), + Not(Equals('hello'))) + self.assertEqual(Excludes(['hello'], approx=True), + Not(Substring('hello'))) + + + def test_Between(self): + # must specify at least one bound + self.assertRaises(ValueError, Between, float('inf'), float('inf')) + # lower bound must be less than the upper bound + self.assertRaises(ValueError, Between, 321, 123) + # can set a lower bound only + self.assertEqual(Between(123), + GreaterThan(123, strict=True)) + self.assertEqual(Between(123, lo_strict=False), + GreaterThan(123, strict=False)) + # can set an upper bound only + self.assertEqual(Between(hi=123), + LessThan(123, strict=True)) + self.assertEqual(Between(hi=123, hi_strict=False), + LessThan(123, strict=False)) + # can set both bounds + self.assertEqual(Between(123, 321), + And(GreaterThan(123, strict=True), LessThan(321, strict=True))) + self.assertEqual(Between(123, 321, False, False), + And(GreaterThan(123, strict=False), LessThan(321, strict=False))) + # can set identical bounds + self.assertRaises(ValueError, Between, 123, 123) + self.assertEqual(Between(123, 123, False, False), + Equals(123)) + ## main ## |