X-Git-Url: https://plomlompom.com/repos/%7B%7Bprefix%7D%7D/ledger2?a=blobdiff_plain;ds=sidebyside;f=tests%2Fprocesses.py;h=1b20e217d077d826765f5a83c9a2b3250de38ba2;hb=refs%2Fheads%2Fmaster;hp=ce7f8571cc7aa84aaa6a8a4855febfeb97d879b9;hpb=9c68e4b443a695652f2ba3acae126ad02e3f6ffa;p=plomtask

diff --git a/tests/processes.py b/tests/processes.py
index ce7f857..2e2f716 100644
--- a/tests/processes.py
+++ b/tests/processes.py
@@ -1,219 +1,453 @@
 """Test Processes module."""
-from unittest import TestCase
-from tests.utils import TestCaseWithDB, TestCaseWithServer
-from plomtask.processes import Process, ProcessStep, ProcessStepsNode
+from typing import Any
+from tests.utils import (TestCaseSansDB, TestCaseWithDB, TestCaseWithServer,
+                         Expected)
+from plomtask.processes import Process, ProcessStep
 from plomtask.conditions import Condition
-from plomtask.todos import Todo
-from plomtask.exceptions import NotFoundException, HandledException
+from plomtask.exceptions import NotFoundException
 
 
-class TestsSansDB(TestCase):
+class TestsSansDB(TestCaseSansDB):
     """Module tests not requiring DB setup."""
+    checked_class = Process
 
-    def test_Process_versioned_defaults(self) -> None:
-        """Test defaults of Process' VersionedAttributes."""
-        self.assertEqual(Process(None).title.newest, 'UNNAMED')
-        self.assertEqual(Process(None).description.newest, '')
-        self.assertEqual(Process(None).effort.newest, 1.0)
 
-    def test_Process_legal_ID(self) -> None:
-        """Test Process cannot be instantiated with id_=0."""
-        with self.assertRaises(HandledException):
-            Process(0)
+class TestsSansDBProcessStep(TestCaseSansDB):
+    """Module tests not requiring DB setup."""
+    checked_class = ProcessStep
+    default_init_kwargs = {'owner_id': 2, 'step_process_id': 3,
+                           'parent_step_id': 4}
 
 
 class TestsWithDB(TestCaseWithDB):
     """Module tests requiring DB setup."""
+    checked_class = Process
 
-    def setUp(self) -> None:
-        super().setUp()
-        self.proc1 = Process(None)
-        self.proc1.save(self.db_conn)
-        self.proc2 = Process(None)
-        self.proc2.save(self.db_conn)
-        self.proc3 = Process(None)
-        self.proc3.save(self.db_conn)
-
-    def test_Process_ids(self) -> None:
-        """Test Process.save() re Process.id_."""
-        self.assertEqual(self.proc1.id_,
-                         Process.by_id(self.db_conn, 1, create=False).id_)
-        self.assertEqual(self.proc2.id_,
-                         Process.by_id(self.db_conn, 2, create=False).id_)
-        proc5 = Process(5)
-        proc5.save(self.db_conn)
-        self.assertEqual(proc5.id_,
-                         Process.by_id(self.db_conn, 5, create=False).id_)
-
-    def test_Process_steps(self) -> None:
-        """Test addition, nesting, and non-recursion of ProcessSteps"""
-        def add_step(proc: Process,
-                     steps_proc: list[tuple[int | None, int, int | None]],
-                     step_tuple: tuple[int | None, int, int | None],
-                     expected_id: int) -> None:
-            steps_proc += [step_tuple]
-            proc.set_steps(self.db_conn, steps_proc)
-            steps_proc[-1] = (expected_id, step_tuple[1], step_tuple[2])
-        assert isinstance(self.proc2.id_, int)
-        assert isinstance(self.proc3.id_, int)
-        steps_proc1: list[tuple[int | None, int, int | None]] = []
-        add_step(self.proc1, steps_proc1, (None, self.proc2.id_, None), 1)
-        p_1_dict: dict[int, ProcessStepsNode] = {}
-        p_1_dict[1] = ProcessStepsNode(self.proc2, None, True, {}, False)
-        self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict)
-        add_step(self.proc1, steps_proc1, (None, self.proc3.id_, None), 2)
-        step_2 = self.proc1.explicit_steps[-1]
-        assert isinstance(step_2.id_, int)
-        p_1_dict[2] = ProcessStepsNode(self.proc3, None, True, {}, False)
-        self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict)
-        steps_proc2: list[tuple[int | None, int, int | None]] = []
-        add_step(self.proc2, steps_proc2, (None, self.proc3.id_, None), 3)
-        p_1_dict[1].steps[3] = ProcessStepsNode(self.proc3, None,
-                                                False, {}, False)
-        self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict)
-        add_step(self.proc1, steps_proc1, (None, self.proc2.id_, step_2.id_),
-                 4)
-        step_3 = ProcessStepsNode(self.proc3, None, False, {}, True)
-        p_1_dict[2].steps[4] = ProcessStepsNode(self.proc2, step_2.id_, True,
-                                                {3: step_3}, False)
-        self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict)
-        add_step(self.proc1, steps_proc1, (None, self.proc3.id_, 999), 5)
-        p_1_dict[5] = ProcessStepsNode(self.proc3, None, True, {}, False)
-        self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict)
-        add_step(self.proc1, steps_proc1, (None, self.proc3.id_, 3), 6)
-        p_1_dict[6] = ProcessStepsNode(self.proc3, None, True, {}, False)
-        self.assertEqual(self.proc1.get_steps(self.db_conn, None),
-                         p_1_dict)
-        self.assertEqual(self.proc1.used_as_step_by(self.db_conn),
-                         [])
-        self.assertEqual(self.proc2.used_as_step_by(self.db_conn),
-                         [self.proc1])
-        self.assertEqual(self.proc3.used_as_step_by(self.db_conn),
-                         [self.proc1, self.proc2])
+    def three_processes(self) -> tuple[Process, Process, Process]:
+        """Return three saved processes."""
+        p1, p2, p3 = Process(None), Process(None), Process(None)
+        for p in [p1, p2, p3]:
+            p.save(self.db_conn)
+        return p1, p2, p3
+
+    def p_of_conditions(self) -> tuple[Process, list[Condition],
+                                       list[Condition], list[Condition]]:
+        """Return Process and its three Condition sets."""
+        p = Process(None)
+        c1, c2, c3 = Condition(None), Condition(None), Condition(None)
+        for c in [c1, c2, c3]:
+            c.save(self.db_conn)
+        assert isinstance(c1.id_, int)
+        assert isinstance(c2.id_, int)
+        assert isinstance(c3.id_, int)
+        set_1 = [c1, c2]
+        set_2 = [c2, c3]
+        set_3 = [c1, c3]
+        conds = [c.id_ for c in set_1 if isinstance(c.id_, int)]
+        enables = [c.id_ for c in set_2 if isinstance(c.id_, int)]
+        disables = [c.id_ for c in set_3 if isinstance(c.id_, int)]
+        p.set_condition_relations(self.db_conn, conds, [], enables, disables)
+        p.save(self.db_conn)
+        return p, set_1, set_2, set_3
+
+    def test_Process_conditions_saving(self) -> None:
+        """Test .save/.save_core."""
+        p, set1, set2, set3 = self.p_of_conditions()
+        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_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_):
+            r = Process.from_table_row(self.db_conn, row)
+            self.assertEqual(sorted(r.conditions), sorted(set1))
+            self.assertEqual(sorted(r.enables), sorted(set2))
+            self.assertEqual(sorted(r.disables), sorted(set3))
+
+    # 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)
+    #     assert isinstance(p3.id_, int)
+    #     steps_p1: list[ProcessStep] = []
+    #     # add step of process p2 as first (top-level) step to p1
+    #     s_p2_to_p1 = ProcessStep(None, p1.id_, p2.id_, None)
+    #     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, {})
+    #     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, {})
+    #     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] = []
+    #     s_p3_to_p2 = ProcessStep(None, p2.id_, p3.id_, None)
+    #     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, {})}
+    #     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, {}, False)
+    #     p1_dict[1].steps[3].seen = True
+    #     p1_dict[2].steps[4] = ProcessStepsNode(p2, s_p3_to_p1.id_, True,
+    #                                            {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, {})
+    #     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, {})
+    #     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])
+    #     self.assertEqual(p3.used_as_step_by(self.db_conn), [p1, p2])
+    #     # # add step of process p3 as explicit sub-step to p1's first
+    #     # # sub-step, 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, {})}
+    #     # 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)
+    #     # self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict)
+    #     # ensure implicit steps non-top explicit steps are shown
+    #     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, {},
+    #                                                     True)
+    #     p1_dict[2].steps[4].steps[3].steps[7] = ProcessStepsNode(
+    #             p3, 3, False, {}, 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."""
-        for target in ('conditions', 'enables', 'disables'):
-            c1 = Condition(None, False)
+        p = Process(None)
+        p.save(self.db_conn)
+        targets = ['conditions', 'blockers', 'enables', 'disables']
+        for i, target in enumerate(targets):
+            c1, c2 = Condition(None), Condition(None)
             c1.save(self.db_conn)
-            assert isinstance(c1.id_, int)
-            c2 = Condition(None, False)
             c2.save(self.db_conn)
+            assert isinstance(c1.id_, int)
             assert isinstance(c2.id_, int)
-            self.proc1.set_conditions(self.db_conn, [], target)
-            self.assertEqual(getattr(self.proc1, target), [])
-            self.proc1.set_conditions(self.db_conn, [c1.id_], target)
-            self.assertEqual(getattr(self.proc1, target), [c1])
-            self.proc1.set_conditions(self.db_conn, [c2.id_], target)
-            self.assertEqual(getattr(self.proc1, target), [c2])
-            self.proc1.set_conditions(self.db_conn, [c1.id_, c2.id_], target)
-            self.assertEqual(getattr(self.proc1, target), [c1, c2])
-
-    def test_Process_by_id(self) -> None:
-        """Test Process.by_id()."""
-        with self.assertRaises(NotFoundException):
-            Process.by_id(self.db_conn, None, create=False)
-        with self.assertRaises(NotFoundException):
-            Process.by_id(self.db_conn, 0, create=False)
-        self.assertNotEqual(self.proc1.id_,
-                            Process.by_id(self.db_conn, None, create=True).id_)
-        self.assertEqual(Process(2).id_,
-                         Process.by_id(self.db_conn, 2, create=True).id_)
-
-    def test_Process_all(self) -> None:
-        """Test Process.all()."""
-        self.assertEqual({self.proc1.id_, self.proc2.id_, self.proc3.id_},
-                         set(p.id_ for p in Process.all(self.db_conn)))
-
-    def test_ProcessStep_singularity(self) -> None:
-        """Test pointers made for single object keep pointing to it."""
-        assert isinstance(self.proc2.id_, int)
-        self.proc1.set_steps(self.db_conn, [(None, self.proc2.id_, None)])
-        step = self.proc1.explicit_steps[-1]
-        assert isinstance(step.id_, int)
-        step_retrieved = ProcessStep.by_id(self.db_conn, step.id_)
-        step.parent_step_id = 99
-        self.assertEqual(step.parent_step_id, step_retrieved.parent_step_id)
-
-    def test_Process_singularity(self) -> None:
-        """Test pointers made for single object keep pointing to it, and
-        subsequent retrievals don't overload relations."""
-        assert isinstance(self.proc1.id_, int)
-        assert isinstance(self.proc2.id_, int)
-        c1 = Condition(None, False)
-        c1.save(self.db_conn)
-        assert isinstance(c1.id_, int)
-        self.proc1.set_conditions(self.db_conn, [c1.id_])
-        self.proc1.set_steps(self.db_conn, [(None, self.proc2.id_, None)])
-        self.proc1.save(self.db_conn)
-        p_retrieved = Process.by_id(self.db_conn, self.proc1.id_)
-        self.assertEqual(self.proc1.explicit_steps, p_retrieved.explicit_steps)
-        self.assertEqual(self.proc1.conditions, p_retrieved.conditions)
-        self.proc1.save(self.db_conn)
-
-    def test_Process_versioned_attributes_singularity(self) -> None:
-        """Test behavior of VersionedAttributes on saving (with .title)."""
-        assert isinstance(self.proc1.id_, int)
-        self.proc1.title.set('named')
-        p_loaded = Process.by_id(self.db_conn, self.proc1.id_)
-        self.assertEqual(self.proc1.title.history, p_loaded.title.history)
-
-    def test_Process_removal(self) -> None:
+            args: list[list[int]] = [[], [], [], []]
+            args[i] = []
+            p.set_condition_relations(self.db_conn, *args)
+            self.assertEqual(getattr(p, target), [])
+            args[i] = [c1.id_]
+            p.set_condition_relations(self.db_conn, *args)
+            self.assertEqual(getattr(p, target), [c1])
+            args[i] = [c2.id_]
+            p.set_condition_relations(self.db_conn, *args)
+            self.assertEqual(getattr(p, target), [c2])
+            args[i] = [c1.id_, c2.id_]
+            p.set_condition_relations(self.db_conn, *args)
+            self.assertEqual(getattr(p, target), [c1, c2])
+
+    def test_remove(self) -> None:
         """Test removal of Processes and ProcessSteps."""
-        assert isinstance(self.proc3.id_, int)
-        self.proc1.remove(self.db_conn)
-        self.assertEqual({self.proc2.id_, self.proc3.id_},
-                         set(p.id_ for p in Process.all(self.db_conn)))
-        self.proc2.set_steps(self.db_conn, [(None, self.proc3.id_, None)])
-        with self.assertRaises(HandledException):
-            self.proc3.remove(self.db_conn)
-        self.proc2.explicit_steps[0].remove(self.db_conn)
-        retrieved = Process.by_id(self.db_conn, self.proc2.id_)
-        self.assertEqual(retrieved.explicit_steps, [])
-        self.proc2.set_steps(self.db_conn, [(None, self.proc3.id_, None)])
-        step = retrieved.explicit_steps[0]
-        self.proc2.remove(self.db_conn)
+        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_
+        p2.set_steps(self.db_conn, [])
+        with self.assertRaises(NotFoundException):
+            # check unset ProcessSteps actually cannot be found anymore
+            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_
+        # check _can_ remove Process pointed to by ProcessStep.owner_id, and …
+        p2.remove(self.db_conn)
         with self.assertRaises(NotFoundException):
-            ProcessStep.by_id(self.db_conn, step.id_)
-        todo = Todo(None, self.proc3, False, '2024-01-01')
-        todo.save(self.db_conn)
-        with self.assertRaises(HandledException):
-            self.proc3.remove(self.db_conn)
-        todo.remove(self.db_conn)
-        self.proc3.remove(self.db_conn)
+            # … being dis-owned eliminates ProcessStep
+            assert step_id is not None
+            ProcessStep.by_id(self.db_conn, step_id)
+
+
+class TestsWithDBForProcessStep(TestCaseWithDB):
+    """Module tests requiring DB setup."""
+    checked_class = ProcessStep
+    default_init_kwargs = {'owner_id': 1, 'step_process_id': 2,
+                           'parent_step_id': 3}
+
+    def setUp(self) -> None:
+        super().setUp()
+        self.p1 = Process(1)
+        self.p1.save(self.db_conn)
+
+    def test_remove(self) -> None:
+        """Test .remove and unsetting of owner's .explicit_steps entry."""
+        p2 = Process(2)
+        p2.save(self.db_conn)
+        assert isinstance(self.p1.id_, int)
+        assert isinstance(p2.id_, int)
+        step = ProcessStep(None, self.p1.id_, p2.id_, None)
+        self.p1.set_steps(self.db_conn, [step])
+        step.remove(self.db_conn)
+        self.assertEqual(self.p1.explicit_steps, [])
+        self.check_identity_with_cache_and_db([])
+
+
+class ExpectedGetProcess(Expected):
+    """Builder of expectations for GET /processes."""
+    _default_dict = {'is_new': False, 'preset_top_step': None, 'n_todos': 0}
+    _on_empty_make_temp = ('Process', 'proc_as_dict')
+
+    def __init__(self,
+                 proc_id: int,
+                 *args: Any, **kwargs: Any) -> None:
+        self._fields = {'process': proc_id, 'steps': []}
+        super().__init__(*args, **kwargs)
+
+    @staticmethod
+    def stepnode_as_dict(step_id: int,
+                         proc_id: int,
+                         seen: bool = False,
+                         steps: None | list[dict[str, object]] = None,
+                         is_explicit: bool = True,
+                         is_suppressed: bool = False) -> dict[str, object]:
+        # pylint: disable=too-many-arguments
+        """Return JSON of ProcessStepNode to expect."""
+        return {'step': step_id,
+                'process': proc_id,
+                'seen': seen,
+                'steps': steps if steps else [],
+                'is_explicit': is_explicit,
+                'is_suppressed': is_suppressed}
+
+    def recalc(self) -> None:
+        """Update internal dictionary by subclass-specific rules."""
+        super().recalc()
+        self._fields['process_candidates'] = self.as_ids(
+                self.lib_all('Process'))
+        self._fields['condition_candidates'] = self.as_ids(
+                self.lib_all('Condition'))
+        self._fields['owners'] = [
+                s['owner_id'] for s in self.lib_all('ProcessStep')
+                if s['step_process_id'] == self._fields['process']]
+
+
+class ExpectedGetProcesses(Expected):
+    """Builder of expectations for GET /processes."""
+    _default_dict = {'sort_by': 'title', 'pattern': ''}
+
+    def recalc(self) -> None:
+        """Update internal dictionary by subclass-specific rules."""
+        super().recalc()
+        self._fields['processes'] = self.as_ids(self.lib_all('Process'))
 
 
 class TestsWithServer(TestCaseWithServer):
     """Module tests against our HTTP server/handler (and database)."""
+    checked_class = Process
 
-    def test_do_POST_process(self) -> None:
+    def test_fail_POST_process(self) -> None:
         """Test POST /process and its effect on the database."""
-        self.assertEqual(0, len(Process.all(self.db_conn)))
-        form_data = self.post_process()
-        self.assertEqual(1, len(Process.all(self.db_conn)))
-        self.check_post(form_data, '/process?id=FOO', 400)
-        self.check_post(form_data | {'effort': 'foo'}, '/process?id=', 400)
-        self.check_post({}, '/process?id=', 400)
-        self.check_post({'title': '', 'description': ''}, '/process?id=', 400)
-        self.check_post({'title': '', 'effort': 1.1}, '/process?id=', 400)
-        self.check_post({'description': '', 'effort': 1.0},
-                        '/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'},
-                        '/condition', 302, '/condition?id=1')
-        self.post_process(3, form_data | {'condition': [1]})
-        self.post_process(4, form_data | {'disables': [1]})
-        self.post_process(5, form_data | {'enables': [1]})
-        form_data['delete'] = ''
-        self.check_post(form_data, '/process?id=', 404)
-        self.check_post(form_data, '/process?id=6', 404)
-        self.check_post(form_data, '/process?id=5', 302, '/processes')
-
-    def test_do_GET(self) -> None:
-        """Test /process and /processes response codes."""
-        self.post_process()
+        valid_post = {'title': '', 'description': '', 'effort': 1.0}
+        # check payloads lacking minimum expecteds
+        self.check_minimal_inputs('/process', valid_post)
+        # check payloads of bad data types
+        self.check_post(valid_post | {'effort': ''}, '/process', 400)
+        # check references to non-existant items
+        self.check_post(valid_post | {'conditions': [1]}, '/process', 404)
+        self.check_post(valid_post | {'disables': [1]}, '/process', 404)
+        self.check_post(valid_post | {'blockers': [1]}, '/process', 404)
+        self.check_post(valid_post | {'enables': [1]}, '/process', 404)
+        self.check_post(valid_post | {'new_top_step': 2}, '/process', 404)
+        # check deletion of non-existant
+        self.check_post({'delete': ''}, '/process?id=1', 404)
+
+    def test_basic_POST_process(self) -> None:
+        """Test basic GET/POST /process operations."""
+        # check on un-saved
+        exp = ExpectedGetProcess(1)
+        exp.force('process_candidates', [])
+        exp.set('is_new', True)
+        self.check_json_get('/process?id=1', exp)
+        # check on minimal payload post
+        exp = ExpectedGetProcess(1)
+        self.post_exp_process([exp], {}, 1)
+        self.check_json_get('/process?id=1', exp)
+        # check boolean 'calendarize'
+        self.post_exp_process([exp], {'calendarize': True}, 1)
+        self.check_json_get('/process?id=1', exp)
+        self.post_exp_process([exp], {}, 1)
+        self.check_json_get('/process?id=1', exp)
+        # check n_todos field
+        self.post_exp_day([], {'new_todo': ['1']}, '2024-01-01')
+        self.post_exp_day([], {'new_todo': ['1']}, '2024-01-02')
+        exp.set('n_todos', 2)
+        self.check_json_get('/process?id=1', exp)
+        # check cannot delete if Todos to Process
+        self.check_post({'delete': ''}, '/process?id=1', 500)
+        # check cannot delete if some ProcessStep's .step_process_id
+        self.post_exp_process([exp], {}, 2)
+        self.post_exp_process([exp], {'new_top_step': 2}, 3)
+        self.check_post({'delete': ''}, '/process?id=2', 500)
+        # check successful deletion
+        self.post_exp_process([exp], {}, 4)
+        self.check_post({'delete': ''}, '/process?id=4', 302, '/processes')
+        exp = ExpectedGetProcess(4)
+        exp.set('is_new', True)
+        self.post_exp_process([exp], {}, 1)
+        self.post_exp_process([exp], {}, 2)
+        self.post_exp_process([exp], {}, 3)
+        exp.force('process_candidates', [1, 2, 3])
+        self.check_json_get('/process?id=4', exp)
+
+    def test_POST_process_steps(self) -> None:
+        """Test behavior of ProcessStep posting."""
+        # pylint: disable=too-many-statements
+        url = '/process?id=1'
+        exp = ExpectedGetProcess(1)
+        self.post_exp_process([exp], {}, 1)
+        # post first (top-level) step of proc 2 to proc 1 by 'step_of' in 2
+        self.post_exp_process([exp], {'step_of': 1}, 2)
+        exp.lib_set('ProcessStep', [exp.procstep_as_dict(1, 1, 2)])
+        exp.set('steps', [exp.stepnode_as_dict(1, 2)])
+        self.check_json_get(url, exp)
+        # post empty/absent steps list to process, expect clean slate, and old
+        # step to completely disappear
+        self.post_exp_process([exp], {}, 1)
+        exp.lib_wipe('ProcessStep')
+        exp.set('steps', [])
+        self.check_json_get(url, exp)
+        # post new step of proc2 to proc1 by 'new_top_step'
+        self.post_exp_process([exp], {'new_top_step': 2}, 1)
+        exp.lib_set('ProcessStep', [exp.procstep_as_dict(1, 1, 2)])
+        self.post_exp_process([exp], {'kept_steps': [1]}, 1)
+        exp.set('steps', [exp.stepnode_as_dict(1, 2)])
+        self.check_json_get(url, exp)
+        # fail on single- and multi-step recursion
+        p_min = {'title': '', 'description': '', 'effort': 0}
+        self.check_post(p_min | {'new_top_step': 1}, url, 400)
+        self.check_post(p_min | {'step_of': 1}, url, 400)
+        self.post_exp_process([exp], {'new_top_step': 1}, 2)
+        self.check_post(p_min | {'step_of': 2, 'new_top_step': 2}, url, 400)
+        self.post_exp_process([exp], {}, 3)
+        self.post_exp_process([exp], {'step_of': 3}, 4)
+        self.check_post(p_min | {'new_top_step': 3, 'step_of': 4}, url, 400)
+        # post sibling steps
+        self.post_exp_process([exp], {}, 4)
+        self.post_exp_process([exp], {'new_top_step': 4}, 1)
+        self.post_exp_process([exp], {'kept_steps': [1], 'new_top_step': 4}, 1)
+        exp.lib_set('ProcessStep', [exp.procstep_as_dict(1, 1, 4),
+                                    exp.procstep_as_dict(2, 1, 4)])
+        exp.set('steps', [exp.stepnode_as_dict(1, 4),
+                          exp.stepnode_as_dict(2, 4)])
+        self.check_json_get(url, exp)
+        # post sub-step chain
+        p = {'kept_steps': [1, 2], 'new_step_to_2': 4}
+        self.post_exp_process([exp], p, 1)
+        exp.lib_set('ProcessStep', [exp.procstep_as_dict(3, 1, 4, 2)])
+        exp.set('steps', [exp.stepnode_as_dict(1, 4),
+                          exp.stepnode_as_dict(2, 4, steps=[
+                              exp.stepnode_as_dict(3, 4)])])
+        self.check_json_get(url, exp)
+        # fail posting sub-step that would cause recursion
+        self.post_exp_process([exp], {}, 6)
+        self.post_exp_process([exp], {'new_top_step': 6}, 5)
+        p = p_min | {'kept_steps': [1, 2, 3], 'new_step_to_2': 5, 'step_of': 6}
+        self.check_post(p, url, 400)
+
+    def test_fail_GET_process(self) -> None:
+        """Test invalid GET /process params."""
+        # check for invalid IDs
         self.check_get_defaults('/process')
-        self.check_get('/processes', 200)
+        # 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_exp_process([], {}, 1)
+        self.check_get('/process?id=1&step_to=2', 404)
+        self.check_get('/process?id=1&has_step=2', 404)
+
+    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
+        exp = ExpectedGetProcesses()
+        self.check_json_get('/processes', exp)
+        # 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
+        exp.set('pattern', 'bar')
+        url = '/processes?sort_by=foo&pattern=bar&foo=x'
+        self.check_json_get(url, exp)
+        # test non-empty result, automatic (positive) sorting by title
+        for i, t in enumerate([('foo', 'oof', 1.0, []),
+                               ('bar', 'rab', 1.1, [1]),
+                               ('baz', 'zab', 0.9, [1, 2])]):
+            payload = {'title': t[0], 'description': t[1], 'effort': t[2],
+                       'new_top_step': t[3]}
+            self.post_exp_process([exp], payload, i+1)
+        exp.lib_set('ProcessStep',
+                    [exp.procstep_as_dict(1, owner_id=2, step_process_id=1),
+                     exp.procstep_as_dict(2, owner_id=3, step_process_id=1),
+                     exp.procstep_as_dict(3, owner_id=3, step_process_id=2)])
+        exp.set('pattern', '')
+        self.check_filter(exp, 'processes', 'sort_by', 'title', [2, 3, 1])
+        # test other sortings
+        self.check_filter(exp, 'processes', 'sort_by', '-title', [1, 3, 2])
+        self.check_filter(exp, 'processes', 'sort_by', 'effort', [3, 1, 2])
+        self.check_filter(exp, 'processes', 'sort_by', '-effort', [2, 1, 3])
+        self.check_filter(exp, 'processes', 'sort_by', 'steps', [1, 2, 3])
+        self.check_filter(exp, 'processes', 'sort_by', '-steps', [3, 2, 1])
+        self.check_filter(exp, 'processes', 'sort_by', 'owners', [3, 2, 1])
+        self.check_filter(exp, 'processes', 'sort_by', '-owners', [1, 2, 3])
+        # test pattern matching on title
+        exp.set('sort_by', 'title')
+        exp.lib_del('Process', '1')
+        self.check_filter(exp, 'processes', 'pattern', 'ba', [2, 3])
+        # test pattern matching on description
+        exp.lib_wipe('Process')
+        exp.lib_wipe('ProcessStep')
+        self.post_exp_process([exp], {'description': 'oof', 'effort': 1.0}, 1)
+        self.check_filter(exp, 'processes', 'pattern', 'of', [1])