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Slightly improve and re-organize Condition tests.
[plomtask] / tests / processes.py
index 930e56032191feb047f4662f96a0d8d68a2dfe48..1b20e217d077d826765f5a83c9a2b3250de38ba2 100644 (file)
@@ -1,4 +1,5 @@
 """Test Processes module."""
+from typing import Any
 from tests.utils import TestCaseWithDB, TestCaseWithServer, TestCaseSansDB
 from plomtask.processes import Process, ProcessStep, ProcessStepsNode
 from plomtask.conditions import Condition
@@ -9,7 +10,6 @@ from plomtask.todos import Todo
 class TestsSansDB(TestCaseSansDB):
     """Module tests not requiring DB setup."""
     checked_class = Process
-    do_id_test = True
     versioned_defaults_to_test = {'title': 'UNNAMED', 'description': '',
                                   'effort': 1.0}
 
@@ -17,7 +17,6 @@ class TestsSansDB(TestCaseSansDB):
 class TestsSansDBProcessStep(TestCaseSansDB):
     """Module tests not requiring DB setup."""
     checked_class = ProcessStep
-    do_id_test = True
     default_init_args = [2, 3, 4]
 
 
@@ -58,24 +57,20 @@ class TestsWithDB(TestCaseWithDB):
     def test_Process_conditions_saving(self) -> None:
         """Test .save/.save_core."""
         p, set1, set2, set3 = self.p_of_conditions()
-        p.uncache()
+        assert p.id_ is not None
         r = Process.by_id(self.db_conn, p.id_)
         self.assertEqual(sorted(r.conditions), sorted(set1))
         self.assertEqual(sorted(r.enables), sorted(set2))
         self.assertEqual(sorted(r.disables), sorted(set3))
 
-    def test_Process_from_table_row(self) -> None:
-        """Test .from_table_row() properly reads in class from DB"""
-        self.check_from_table_row()
-        self.check_versioned_from_table_row('title', str)
-        self.check_versioned_from_table_row('description', str)
-        self.check_versioned_from_table_row('effort', float)
+    def test_from_table_row(self) -> None:
+        """Test .from_table_row() properly reads in class from DB."""
+        super().test_from_table_row()
         p, set1, set2, set3 = self.p_of_conditions()
         p.save(self.db_conn)
         assert isinstance(p.id_, int)
         for row in self.db_conn.row_where(self.checked_class.table_name,
                                           'id', p.id_):
-            # pylint: disable=no-member
             r = Process.from_table_row(self.db_conn, row)
             self.assertEqual(sorted(r.conditions), sorted(set1))
             self.assertEqual(sorted(r.enables), sorted(set2))
@@ -84,6 +79,7 @@ class TestsWithDB(TestCaseWithDB):
     def test_Process_steps(self) -> None:
         """Test addition, nesting, and non-recursion of ProcessSteps"""
         # pylint: disable=too-many-locals
+        # pylint: disable=too-many-statements
         p1, p2, p3 = self.three_processes()
         assert isinstance(p1.id_, int)
         assert isinstance(p2.id_, int)
@@ -94,13 +90,13 @@ class TestsWithDB(TestCaseWithDB):
         steps_p1 += [s_p2_to_p1]
         p1.set_steps(self.db_conn, steps_p1)
         p1_dict: dict[int, ProcessStepsNode] = {}
-        p1_dict[1] = ProcessStepsNode(p2, None, True, {}, False)
+        p1_dict[1] = ProcessStepsNode(p2, None, True, {})
         self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict)
         # add step of process p3 as second (top-level) step to p1
         s_p3_to_p1 = ProcessStep(None, p1.id_, p3.id_, None)
         steps_p1 += [s_p3_to_p1]
         p1.set_steps(self.db_conn, steps_p1)
-        p1_dict[2] = ProcessStepsNode(p3, None, True, {}, False)
+        p1_dict[2] = ProcessStepsNode(p3, None, True, {})
         self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict)
         # add step of process p3 as first (top-level) step to p2,
         steps_p2: list[ProcessStep] = []
@@ -108,30 +104,31 @@ class TestsWithDB(TestCaseWithDB):
         steps_p2 += [s_p3_to_p2]
         p2.set_steps(self.db_conn, steps_p2)
         # expect it as implicit sub-step of p1's second (p3) step
-        p2_dict = {3: ProcessStepsNode(p3, None, False, {}, False)}
+        p2_dict = {3: ProcessStepsNode(p3, None, False, {})}
         p1_dict[1].steps[3] = p2_dict[3]
         self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict)
         # add step of process p2 as explicit sub-step to p1's second sub-step
         s_p2_to_p1_first = ProcessStep(None, p1.id_, p2.id_, s_p3_to_p1.id_)
         steps_p1 += [s_p2_to_p1_first]
         p1.set_steps(self.db_conn, steps_p1)
-        seen_3 = ProcessStepsNode(p3, None, False, {}, True)
+        seen_3 = ProcessStepsNode(p3, None, False, {}, False)
+        p1_dict[1].steps[3].seen = True
         p1_dict[2].steps[4] = ProcessStepsNode(p2, s_p3_to_p1.id_, True,
-                                               {3: seen_3}, False)
+                                               {3: seen_3})
         self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict)
         # add step of process p3 as explicit sub-step to non-existing p1
         # sub-step (of id=999), expect it to become another p1 top-level step
         s_p3_to_p1_999 = ProcessStep(None, p1.id_, p3.id_, 999)
         steps_p1 += [s_p3_to_p1_999]
         p1.set_steps(self.db_conn, steps_p1)
-        p1_dict[5] = ProcessStepsNode(p3, None, True, {}, False)
+        p1_dict[5] = ProcessStepsNode(p3, None, True, {})
         self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict)
         # add step of process p3 as explicit sub-step to p1's implicit p3
         # sub-step, expect it to become another p1 top-level step
         s_p3_to_p1_impl_p3 = ProcessStep(None, p1.id_, p3.id_, s_p3_to_p2.id_)
         steps_p1 += [s_p3_to_p1_impl_p3]
         p1.set_steps(self.db_conn, steps_p1)
-        p1_dict[6] = ProcessStepsNode(p3, None, True, {}, False)
+        p1_dict[6] = ProcessStepsNode(p3, None, True, {})
         self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict)
         self.assertEqual(p1.used_as_step_by(self.db_conn), [])
         self.assertEqual(p2.used_as_step_by(self.db_conn), [p1])
@@ -140,7 +137,7 @@ class TestsWithDB(TestCaseWithDB):
         # # expect it to eliminate implicit p3 sub-step
         # s_p3_to_p1_first_explicit = ProcessStep(None, p1.id_, p3.id_,
         #                                         s_p2_to_p1.id_)
-        # p1_dict[1].steps = {7: ProcessStepsNode(p3, 1, True, {}, False)}
+        # p1_dict[1].steps = {7: ProcessStepsNode(p3, 1, True, {})}
         # p1_dict[2].steps[4].steps[3].seen = False
         # steps_p1 += [s_p3_to_p1_first_explicit]
         # p1.set_steps(self.db_conn, steps_p1)
@@ -149,11 +146,18 @@ class TestsWithDB(TestCaseWithDB):
         s_p3_to_p2_first = ProcessStep(None, p2.id_, p3.id_, s_p3_to_p2.id_)
         steps_p2 += [s_p3_to_p2_first]
         p2.set_steps(self.db_conn, steps_p2)
-        p1_dict[1].steps[3].steps[7] = ProcessStepsNode(p3, 3, False, {},
-                                                        False)
+        p1_dict[1].steps[3].steps[7] = ProcessStepsNode(p3, 3, False, {}, True)
         p1_dict[2].steps[4].steps[3].steps[7] = ProcessStepsNode(p3, 3, False,
-                                                                 {}, True)
+                                                                 {}, False)
         self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict)
+        # ensure suppressed step nodes are hidden
+        assert isinstance(s_p3_to_p2.id_, int)
+        p1.set_step_suppressions(self.db_conn, [s_p3_to_p2.id_])
+        p1_dict[1].steps[3].steps = {}
+        p1_dict[1].steps[3].is_suppressed = True
+        p1_dict[2].steps[4].steps[3].steps = {}
+        p1_dict[2].steps[4].steps[3].is_suppressed = True
+        self.assertEqual(p1.get_steps(self.db_conn), p1_dict)
 
     def test_Process_conditions(self) -> None:
         """Test setting Process.conditions/enables/disables."""
@@ -175,42 +179,30 @@ class TestsWithDB(TestCaseWithDB):
             method(self.db_conn, [c1.id_, c2.id_])
             self.assertEqual(getattr(p, target), [c1, c2])
 
-    def test_Process_by_id(self) -> None:
-        """Test .by_id(), including creation"""
-        self.check_by_id()
-
-    def test_Process_all(self) -> None:
-        """Test .all()."""
-        self.check_all()
-
-    def test_Process_singularity(self) -> None:
-        """Test pointers made for single object keep pointing to it."""
-        self.check_singularity('conditions', [Condition(None)])
-
-    def test_Process_versioned_attributes_singularity(self) -> None:
-        """Test behavior of VersionedAttributes on saving (with .title)."""
-        self.check_versioned_singularity()
-
-    def test_Process_removal(self) -> None:
+    def test_remove(self) -> None:
         """Test removal of Processes and ProcessSteps."""
-        self.check_remove()
+        super().test_remove()
         p1, p2, p3 = self.three_processes()
         assert isinstance(p1.id_, int)
         assert isinstance(p2.id_, int)
         assert isinstance(p3.id_, int)
         step = ProcessStep(None, p2.id_, p1.id_, None)
         p2.set_steps(self.db_conn, [step])
+        step_id = step.id_
         with self.assertRaises(HandledException):
             p1.remove(self.db_conn)
         p2.set_steps(self.db_conn, [])
         with self.assertRaises(NotFoundException):
-            ProcessStep.by_id(self.db_conn, step.id_)
+            assert step_id is not None
+            ProcessStep.by_id(self.db_conn, step_id)
         p1.remove(self.db_conn)
         step = ProcessStep(None, p2.id_, p3.id_, None)
         p2.set_steps(self.db_conn, [step])
+        step_id = step.id_
         p2.remove(self.db_conn)
         with self.assertRaises(NotFoundException):
-            ProcessStep.by_id(self.db_conn, step.id_)
+            assert step_id is not None
+            ProcessStep.by_id(self.db_conn, step_id)
         todo = Todo(None, p3, False, '2024-01-01')
         todo.save(self.db_conn)
         with self.assertRaises(HandledException):
@@ -222,30 +214,25 @@ class TestsWithDB(TestCaseWithDB):
 class TestsWithDBForProcessStep(TestCaseWithDB):
     """Module tests requiring DB setup."""
     checked_class = ProcessStep
-    default_init_kwargs = {'owner_id': 2, 'step_process_id': 3,
-                           'parent_step_id': 4}
-
-    def test_ProcessStep_from_table_row(self) -> None:
-        """Test .from_table_row() properly reads in class from DB"""
-        self.check_from_table_row(2, 3, None)
+    default_init_kwargs = {'owner_id': 1, 'step_process_id': 2,
+                           'parent_step_id': 3}
 
-    def test_ProcessStep_singularity(self) -> None:
-        """Test pointers made for single object keep pointing to it."""
-        self.check_singularity('parent_step_id', 1, 2, 3, None)
+    def setUp(self) -> None:
+        super().setUp()
+        self.p1 = Process(1)
+        self.p1.save(self.db_conn)
 
-    def test_ProcessStep_remove(self) -> None:
+    def test_remove(self) -> None:
         """Test .remove and unsetting of owner's .explicit_steps entry."""
-        p1 = Process(None)
-        p2 = Process(None)
-        p1.save(self.db_conn)
+        p2 = Process(2)
         p2.save(self.db_conn)
-        assert isinstance(p1.id_, int)
+        assert isinstance(self.p1.id_, int)
         assert isinstance(p2.id_, int)
-        step = ProcessStep(None, p1.id_, p2.id_, None)
-        p1.set_steps(self.db_conn, [step])
+        step = ProcessStep(None, self.p1.id_, p2.id_, None)
+        self.p1.set_steps(self.db_conn, [step])
         step.remove(self.db_conn)
-        self.assertEqual(p1.explicit_steps, [])
-        self.check_storage([])
+        self.assertEqual(self.p1.explicit_steps, [])
+        self.check_identity_with_cache_and_db([])
 
 
 class TestsWithServer(TestCaseWithServer):
@@ -265,11 +252,12 @@ class TestsWithServer(TestCaseWithServer):
                         '/process?id=', 400)
         self.assertEqual(1, len(Process.all(self.db_conn)))
         form_data = {'title': 'foo', 'description': 'foo', 'effort': 1.0}
-        self.post_process(2, form_data | {'condition': []})
-        self.check_post(form_data | {'condition': [1]}, '/process?id=', 404)
-        self.check_post({'title': 'foo', 'description': 'foo'},
+        self.post_process(2, form_data | {'conditions': []})
+        self.check_post(form_data | {'conditions': [1]}, '/process?id=', 404)
+        self.check_post({'title': 'foo', 'description': 'foo',
+                         'is_active': False},
                         '/condition', 302, '/condition?id=1')
-        self.post_process(3, form_data | {'condition': [1]})
+        self.post_process(3, form_data | {'conditions': [1]})
         self.post_process(4, form_data | {'disables': [1]})
         self.post_process(5, form_data | {'enables': [1]})
         form_data['delete'] = ''
@@ -289,6 +277,7 @@ class TestsWithServer(TestCaseWithServer):
         retrieved_process = Process.by_id(self.db_conn, 1)
         self.assertEqual(len(retrieved_process.explicit_steps), 1)
         retrieved_step = retrieved_process.explicit_steps[0]
+        retrieved_step_id = retrieved_step.id_
         self.assertEqual(retrieved_step.step_process_id, 2)
         self.assertEqual(retrieved_step.owner_id, 1)
         self.assertEqual(retrieved_step.parent_step_id, None)
@@ -298,8 +287,9 @@ class TestsWithServer(TestCaseWithServer):
         self.post_process(1, form_data_1)
         retrieved_process = Process.by_id(self.db_conn, 1)
         self.assertEqual(retrieved_process.explicit_steps, [])
+        assert retrieved_step_id is not None
         with self.assertRaises(NotFoundException):
-            ProcessStep.by_id(self.db_conn, retrieved_step.id_)
+            ProcessStep.by_id(self.db_conn, retrieved_step_id)
         # post new first (top_level) step of process 3 to process 1
         form_data_1['new_top_step'] = [3]
         self.post_process(1, form_data_1)
@@ -316,14 +306,14 @@ class TestsWithServer(TestCaseWithServer):
         self.assertEqual(retrieved_process.explicit_steps, [])
         # post to process empty steps list but keep, expect 400
         form_data_1['steps'] = []
-        form_data_1['keep_step'] = [retrieved_step.id_]
+        form_data_1['keep_step'] = [retrieved_step_id]
         self.check_post(form_data_1, '/process?id=1', 400, '/process?id=1')
         # post to process steps list with keep on non-created step, expect 400
-        form_data_1['steps'] = [retrieved_step.id_]
-        form_data_1['keep_step'] = [retrieved_step.id_]
+        form_data_1['steps'] = [retrieved_step_id]
+        form_data_1['keep_step'] = [retrieved_step_id]
         self.check_post(form_data_1, '/process?id=1', 400, '/process?id=1')
         # post to process steps list with keep and process ID, expect 200
-        form_data_1[f'step_{retrieved_step.id_}_process_id'] = [2]
+        form_data_1[f'step_{retrieved_step_id}_process_id'] = [2]
         self.post_process(1, form_data_1)
         retrieved_process = Process.by_id(self.db_conn, 1)
         self.assertEqual(len(retrieved_process.explicit_steps), 1)
@@ -331,10 +321,8 @@ class TestsWithServer(TestCaseWithServer):
         self.assertEqual(retrieved_step.step_process_id, 2)
         self.assertEqual(retrieved_step.owner_id, 1)
         self.assertEqual(retrieved_step.parent_step_id, None)
-        # post nonsensical new_top_step id and otherwise zero'd steps, expect
-        # 400 and preservation of previous state
-        form_data_1['new_top_step'] = ['foo']
-        form_data_1['steps'] = []
+        # post nonsense, expect 400 and preservation of previous state
+        form_data_1['steps'] = ['foo']
         form_data_1['keep_step'] = []
         self.check_post(form_data_1, '/process?id=1', 400, '/process?id=1')
         retrieved_process = Process.by_id(self.db_conn, 1)
@@ -350,12 +338,12 @@ class TestsWithServer(TestCaseWithServer):
         self.post_process(1, form_data_1)
         retrieved_process = Process.by_id(self.db_conn, 1)
         self.assertEqual(len(retrieved_process.explicit_steps), 2)
-        retrieved_step_0 = retrieved_process.explicit_steps[0]
-        self.assertEqual(retrieved_step_0.step_process_id, 2)
+        retrieved_step_0 = retrieved_process.explicit_steps[1]
+        self.assertEqual(retrieved_step_0.step_process_id, 3)
         self.assertEqual(retrieved_step_0.owner_id, 1)
         self.assertEqual(retrieved_step_0.parent_step_id, None)
-        retrieved_step_1 = retrieved_process.explicit_steps[1]
-        self.assertEqual(retrieved_step_1.step_process_id, 3)
+        retrieved_step_1 = retrieved_process.explicit_steps[0]
+        self.assertEqual(retrieved_step_1.step_process_id, 2)
         self.assertEqual(retrieved_step_1.owner_id, 1)
         self.assertEqual(retrieved_step_1.parent_step_id, None)
         # post to process steps list with keeps etc., but trigger recursion
@@ -376,17 +364,17 @@ class TestsWithServer(TestCaseWithServer):
         self.assertEqual(retrieved_step_1.step_process_id, 3)
         self.assertEqual(retrieved_step_1.owner_id, 1)
         self.assertEqual(retrieved_step_1.parent_step_id, None)
-        form_data_1[f'step_{retrieved_step_1.id_}_process_id'] = [3]
         # post sub-step to step
-        form_data_1[f'new_step_to_{retrieved_step_1.id_}'] = [3]
+        form_data_1[f'step_{retrieved_step_0.id_}_process_id'] = [3]
+        form_data_1[f'new_step_to_{retrieved_step_0.id_}'] = [3]
         self.post_process(1, form_data_1)
         retrieved_process = Process.by_id(self.db_conn, 1)
         self.assertEqual(len(retrieved_process.explicit_steps), 3)
-        retrieved_step_0 = retrieved_process.explicit_steps[0]
+        retrieved_step_0 = retrieved_process.explicit_steps[1]
         self.assertEqual(retrieved_step_0.step_process_id, 2)
         self.assertEqual(retrieved_step_0.owner_id, 1)
         self.assertEqual(retrieved_step_0.parent_step_id, None)
-        retrieved_step_1 = retrieved_process.explicit_steps[1]
+        retrieved_step_1 = retrieved_process.explicit_steps[0]
         self.assertEqual(retrieved_step_1.step_process_id, 3)
         self.assertEqual(retrieved_step_1.owner_id, 1)
         self.assertEqual(retrieved_step_1.parent_step_id, None)
@@ -397,5 +385,126 @@ class TestsWithServer(TestCaseWithServer):
 
     def test_do_GET(self) -> None:
         """Test /process and /processes response codes."""
+        self.check_get('/process', 200)
+        self.check_get('/process?id=', 200)
+        self.check_get('/process?id=1', 200)
         self.check_get_defaults('/process')
         self.check_get('/processes', 200)
+
+    def test_fail_GET_process(self) -> None:
+        """Test invalid GET /process params."""
+        # check for invalid IDs
+        self.check_get('/process?id=foo', 400)
+        self.check_get('/process?id=0', 500)
+        # check we catch invalid base64
+        self.check_get('/process?title_b64=foo', 400)
+        # check failure on references to unknown processes; we create Process
+        # of ID=1 here so we know the 404 comes from step_to=2 etc. (that tie
+        # the Process displayed by /process to others), not from not finding
+        # the main Process itself
+        self.post_process(1)
+        self.check_get('/process?id=1&step_to=2', 404)
+        self.check_get('/process?id=1&has_step=2', 404)
+
+    @classmethod
+    def GET_processes_dict(cls, procs: list[dict[str, object]]
+                           ) -> dict[str, object]:
+        """Return JSON of GET /processes to expect."""
+        library = {'Process': cls.as_refs(procs)} if procs else {}
+        d: dict[str, object] = {'processes': cls.as_id_list(procs),
+                                'sort_by': 'title',
+                                'pattern': '',
+                                '_library': library}
+        return d
+
+    @staticmethod
+    def procstep_as_dict(id_: int,
+                         owner_id: int,
+                         step_process_id: int,
+                         parent_step_id: int | None = None
+                         ) -> dict[str, object]:
+        """Return JSON of Process to expect."""
+        return {'id': id_,
+                'owner_id': owner_id,
+                'step_process_id': step_process_id,
+                'parent_step_id': parent_step_id}
+
+    def test_GET_processes(self) -> None:
+        """Test GET /processes."""
+        # pylint: disable=too-many-statements
+        # test empty result on empty DB, default-settings on empty params
+        expected = self.GET_processes_dict([])
+        self.check_json_get('/processes', expected)
+        # test on meaningless non-empty params (incl. entirely un-used key),
+        # that 'sort_by' default to 'title' (even if set to something else, as
+        # long as without handler) and 'pattern' get preserved
+        expected['pattern'] = 'bar'  # preserved despite zero effect!
+        url = '/processes?sort_by=foo&pattern=bar&foo=x'
+        self.check_json_get(url, expected)
+        # test non-empty result, automatic (positive) sorting by title
+        post1: dict[str, Any]
+        post2: dict[str, Any]
+        post3: dict[str, Any]
+        post1 = {'title': 'foo', 'description': 'oof', 'effort': 1.0}
+        post2 = {'title': 'bar', 'description': 'rab', 'effort': 1.1}
+        post2['new_top_step'] = 1
+        post3 = {'title': 'baz', 'description': 'zab', 'effort': 0.9}
+        post3['new_top_step'] = 1
+        self.post_process(1, post1)
+        self.post_process(2, post2)
+        self.post_process(3, post3)
+        post3['new_top_step'] = 2
+        post3['keep_step'] = 2
+        post3['steps'] = [2]
+        post3['step_2_process_id'] = 1
+        self.post_process(3, post3)
+        proc1 = self.proc_as_dict(1, post1['title'],
+                                  post1['description'], post1['effort'])
+        proc2 = self.proc_as_dict(2, post2['title'],
+                                  post2['description'], post2['effort'])
+        proc3 = self.proc_as_dict(3, post3['title'],
+                                  post3['description'], post3['effort'])
+        proc2['explicit_steps'] = [1]
+        proc3['explicit_steps'] = [2, 3]
+        step1 = self.procstep_as_dict(1, 2, 1)
+        step2 = self.procstep_as_dict(2, 3, 1)
+        step3 = self.procstep_as_dict(3, 3, 2)
+        expected = self.GET_processes_dict([proc2, proc3, proc1])
+        assert isinstance(expected['_library'], dict)
+        expected['_library']['ProcessStep'] = self.as_refs([step1, step2,
+                                                            step3])
+        self.check_json_get('/processes', expected)
+        # test other sortings
+        expected['sort_by'] = '-title'
+        expected['processes'] = self.as_id_list([proc1, proc3, proc2])
+        self.check_json_get('/processes?sort_by=-title', expected)
+        expected['sort_by'] = 'effort'
+        expected['processes'] = self.as_id_list([proc3, proc1, proc2])
+        self.check_json_get('/processes?sort_by=effort', expected)
+        expected['sort_by'] = '-effort'
+        expected['processes'] = self.as_id_list([proc2, proc1, proc3])
+        self.check_json_get('/processes?sort_by=-effort', expected)
+        expected['sort_by'] = 'steps'
+        expected['processes'] = self.as_id_list([proc1, proc2, proc3])
+        self.check_json_get('/processes?sort_by=steps', expected)
+        expected['sort_by'] = '-steps'
+        expected['processes'] = self.as_id_list([proc3, proc2, proc1])
+        self.check_json_get('/processes?sort_by=-steps', expected)
+        expected['sort_by'] = 'owners'
+        expected['processes'] = self.as_id_list([proc3, proc2, proc1])
+        self.check_json_get('/processes?sort_by=owners', expected)
+        expected['sort_by'] = '-owners'
+        expected['processes'] = self.as_id_list([proc1, proc2, proc3])
+        self.check_json_get('/processes?sort_by=-owners', expected)
+        # test pattern matching on title
+        expected = self.GET_processes_dict([proc2, proc3])
+        assert isinstance(expected['_library'], dict)
+        expected['pattern'] = 'ba'
+        expected['_library']['ProcessStep'] = self.as_refs([step1, step2,
+                                                            step3])
+        self.check_json_get('/processes?pattern=ba', expected)
+        # test pattern matching on description
+        expected['processes'] = self.as_id_list([proc1])
+        expected['_library'] = {'Process': self.as_refs([proc1])}
+        expected['pattern'] = 'of'
+        self.check_json_get('/processes?pattern=of', expected)