Ensuring that all snapshot tests return results.

graphql_compiler/tests/snapshot_tests/test_orientdb_match_query.py

@@ -46,6 +46,8 @@ def execute_graphql(schema, test_data, client, sample_parameters):
     # - create a Counter (multi-set) of the row frozensets
     # - convert the multi-set to a frozenset of its items
     row_dicts = [row.oRecordData for row in client.command(result.query)]
+    if len(row_dicts) == 0:
+        raise AssertionError(u'Zero records returned. Trivial snapshot not allowed.')
     row_dicts_using_tuples = [
         {
             column_name: convert_decimals_to_strings(

graphql_compiler/tests/test_compiler.py

@@ -1470,19 +1470,19 @@ def test_contains_op_filter_with_tag(self):
                 MATCH {{
                     class: Animal,
                     as: Animal___1
-                }}.out('Animal_ParentOf') {{
+                }}.in('Animal_ParentOf') {{
                     where: ((alias CONTAINS $matched.Animal___1.name)),
-                    as: Animal__out_Animal_ParentOf___1
+                    as: Animal__in_Animal_ParentOf___1
                 }}
                 RETURN $matches
             )
         '''
         expected_gremlin = '''
             g.V('@class', 'Animal')
             .as('Animal___1')
-                .out('Animal_ParentOf')
+                .in('Animal_ParentOf')
                 .filter{it, m -> it.alias.contains(m.Animal___1.name)}
-                .as('Animal__out_Animal_ParentOf___1')
+                .as('Animal__in_Animal_ParentOf___1')
             .back('Animal___1')
             .transform{it, m -> new com.orientechnologies.orient.core.record.impl.ODocument([
                 animal_name: m.Animal___1.name

graphql_compiler/tests/test_data_tools/schema.sql

@@ -19,6 +19,11 @@ ALTER PROPERTY Entity.alias DEFAULT {}
 CREATE INDEX Entity.alias NOTUNIQUE
 
 CREATE PROPERTY Entity.description String
+
+CREATE CLASS Entity_Related EXTENDS E
+CREATE PROPERTY Entity_Related.in LINK Entity
+CREATE PROPERTY Entity_Related.out LINK Entity
+CREATE INDEX Entity_Related ON Entity_Related (in, out) UNIQUE_HASH_INDEX
 ###############
 
 
@@ -69,8 +74,13 @@ CREATE INDEX Animal_BornAt ON Animal_BornAt (in, out) UNIQUE_HASH_INDEX
 ###############
 
 
+### FoodOrSpecies ###
+CREATE CLASS FoodOrSpecies EXTENDS Entity
+###############
+
+
 ### Species ###
-CREATE CLASS Species EXTENDS Entity
+CREATE CLASS Species EXTENDS FoodOrSpecies
 
 CREATE PROPERTY Species.limbs Integer
 CREATE INDEX Species.limbs NOTUNIQUE
@@ -79,19 +89,14 @@ CREATE CLASS Animal_OfSpecies EXTENDS E
 CREATE PROPERTY Animal_OfSpecies.in LINK Species
 CREATE PROPERTY Animal_OfSpecies.out LINK Animal
 CREATE INDEX Animal_OfSpecies ON Animal_OfSpecies (in, out) UNIQUE_HASH_INDEX
-###############
-
-
-### Food ###
-CREATE CLASS Food EXTENDS Entity
-###############
-
-
-### FoodOrSpecies ###
-CREATE CLASS FoodOrSpecies EXTENDS Food, Species
 
 CREATE CLASS Species_Eats EXTENDS E
 CREATE PROPERTY Species_Eats.in LINK FoodOrSpecies
 CREATE PROPERTY Species_Eats.out LINK Species
 CREATE INDEX Species_Eats ON Species_Eats (in, out) UNIQUE_HASH_INDEX
 ###############
+
+
+### Food ###
+CREATE CLASS Food EXTENDS FoodOrSpecies
+###############

graphql_compiler/tests/test_input_data.py

@@ -910,7 +910,7 @@ def contains_op_filter_with_tag():
     graphql_input = '''{
         Animal {
             name @output(out_name: "animal_name") @tag(tag_name: "name")
-            out_Animal_ParentOf {
+            in_Animal_ParentOf {
                 alias @filter(op_name: "contains", value: ["%name"])
             }
         }

graphql_compiler/tests/test_ir_generation.py

@@ -1458,20 +1458,20 @@ def test_contains_op_filter_with_tag(self):
         test_data = test_input_data.contains_op_filter_with_tag()
 
         base_location = helpers.Location(('Animal',))
-        child_location = base_location.navigate_to_subpath('out_Animal_ParentOf')
+        parent_location = base_location.navigate_to_subpath('in_Animal_ParentOf')
 
         expected_blocks = [
             blocks.QueryRoot({'Animal'}),
             blocks.MarkLocation(base_location),
-            blocks.Traverse('out', 'Animal_ParentOf'),
+            blocks.Traverse('in', 'Animal_ParentOf'),
             blocks.Filter(
                 expressions.BinaryComposition(
                     u'contains',
                     expressions.LocalField('alias'),
                     expressions.ContextField(base_location.navigate_to_field('name')),
                 )
             ),
-            blocks.MarkLocation(child_location),
+            blocks.MarkLocation(parent_location),
             blocks.Backtrack(base_location),
             blocks.ConstructResult({
                 'animal_name': expressions.OutputContextField(
@@ -1480,7 +1480,7 @@ def test_contains_op_filter_with_tag(self):
         ]
         expected_location_types = {
             base_location: 'Animal',
-            child_location: 'Animal',
+            parent_location: 'Animal',
         }
 
         check_test_data(self, test_data, expected_blocks, expected_location_types)

scripts/generate_test_sql/__init__.py

@@ -7,6 +7,7 @@
 import sys
 
 from .animals import get_animal_generation_commands
+from .events import get_event_generation_commands
 from .species import get_species_generation_commands
 
 
@@ -48,6 +49,7 @@ def main():
         log_message.format(path=module_path, datetime=current_datetime, version=find_version()))
 
     sql_command_generators = [
+        get_event_generation_commands,
         get_species_generation_commands,
         get_animal_generation_commands,
     ]

scripts/generate_test_sql/animals.py

@@ -1,7 +1,8 @@
-# Copyright 2017-present Kensho Technologies, LLC.
+# Copyright 2018-present Kensho Technologies, LLC.
 import random
 
-from .species import SPECIES_LIST
+from .events import EVENT_NAMES_LIST
+from .species import FOOD_LIST, SPECIES_LIST
 from .utils import (create_edge_statement, create_name, create_vertex_statement,
                     extract_base_name_and_label, get_random_date, get_random_net_worth, get_uuid)
 
@@ -19,16 +20,38 @@
     'orange',
     'indigo',
 )
+NUM_ENTITY_RELATED_COMMANDS_MULTIPLIER = 0.2
+NUM_ALIASES = 3
 
 
-def _create_animal_statement(animal_name):
-    """Return a SQL statement to create an animal vertex."""
+def _create_animal_fed_at_random_event_statement(from_name):
+    """Return a SQL statement to create an Animal_FedAt edge connected to a random Event."""
+    event_name = random.choice(EVENT_NAMES_LIST)
+    return create_edge_statement('Animal_FedAt', 'Animal', from_name, 'Event', event_name)
+
+
+def _get_animal_aliases(animal_name, parent_names):
+    """Return list of animal aliases."""
+    base_name, _ = extract_base_name_and_label(animal_name)
+    random_aliases = [base_name + '_' + str(random.randint(0, 9)) for _ in range(NUM_ALIASES)]
+
+    # Some tests check for equality between names and aliases of different animals.
+    # If the animal has several parents, we add a parent name to the alias list.
+    if len(parent_names) > 2:
+        return random_aliases + random.sample(parent_names, 2)
+    else:
+        return random_aliases
+
+
+def _create_animal_statement(animal_name, parent_names):
+    """Return a SQL statement to create an Animal vertex."""
     field_name_to_value = {
         'name': animal_name,
         'uuid': get_uuid(),
         'color': random.choice(ANIMAL_COLOR_LIST),  # nosec
         'birthday': get_random_date(),
         'net_worth': get_random_net_worth(),
+        'alias': _get_animal_aliases(animal_name, parent_names),
     }
     return create_vertex_statement('Animal', field_name_to_value)
 
@@ -38,6 +61,26 @@ def _create_animal_parent_of_statement(from_name, to_name):
     return create_edge_statement('Animal_ParentOf', 'Animal', from_name, 'Animal', to_name)
 
 
+def _detect_subtype(entity_name):
+    """Detect and return the type of Entity from its name."""
+    if entity_name in SPECIES_LIST:
+        return 'Species'
+    elif entity_name in FOOD_LIST:
+        return 'Food'
+    elif extract_base_name_and_label(entity_name)[0] in SPECIES_LIST:
+        return 'Animal'
+    else:
+        raise AssertionError(u'Found invalid entity name. Must be either a species, food, '
+                             u'or animal name: {}'.format(entity_name))
+
+
+def _create_entity_related_statement(from_name, to_name):
+    """Return a SQL statement to create an Entity_Related edge."""
+    from_class = _detect_subtype(from_name)
+    to_class = _detect_subtype(to_name)
+    return create_edge_statement('Entity_Related', from_class, from_name, to_class, to_name)
+
+
 def _create_animal_of_species_statement(from_name, to_name):
     """Return a SQL statement to create an Animal_OfSpecies edge."""
     return create_edge_statement('Animal_OfSpecies', 'Animal', from_name, 'Species', to_name)
@@ -49,7 +92,7 @@ def _get_initial_animal_generators(species_name, current_animal_names):
     for index in range(NUM_INITIAL_ANIMALS):
         animal_name = create_name(species_name, str(index))
         current_animal_names.append(animal_name)
-        command_list.append(_create_animal_statement(animal_name))
+        command_list.append(_create_animal_statement(animal_name, []))
     return command_list
 
 
@@ -63,11 +106,31 @@ def _get_new_parents(current_animal_names, previous_parent_sets, num_parents):
             return new_parent_names
 
 
+def _get_animal_entity_related_commands(all_animal_names):
+    """Return a list of commands to create EntityRelated edges between random Animals and Foods."""
+    command_list = []
+    num_samples = int(NUM_ENTITY_RELATED_COMMANDS_MULTIPLIER * len(all_animal_names))
+    in_neighbor_samples = random.sample(all_animal_names, num_samples)
+    out_neighbor_samples = random.sample(all_animal_names, num_samples)
+
+    for from_name, to_name in zip(in_neighbor_samples, out_neighbor_samples):
+        # Related Animal Entities
+        command_list.append(_create_entity_related_statement(from_name, to_name))
+
+        # Related_Entity between Animals and Food
+        food_name = random.choice(FOOD_LIST)
+        command_list.append(_create_entity_related_statement(from_name, food_name))
+        command_list.append(_create_entity_related_statement(food_name, to_name))
+
+    return command_list
+
+
 def get_animal_generation_commands():
     """Return a list of SQL statements to create animal vertices and their corresponding edges."""
     command_list = []
     species_to_names = {}
     previous_parent_sets = set()
+    all_animal_names = []
 
     for species_name in SPECIES_LIST:
         current_animal_names = []
@@ -89,12 +152,20 @@ def get_animal_generation_commands():
             new_label = '(' + '_'.join(parent_indices) + ')'
             new_animal_name = create_name(species_name, new_label)
             current_animal_names.append(new_animal_name)
-            command_list.append(_create_animal_statement(new_animal_name))
+            command_list.append(_create_animal_statement(new_animal_name, sorted(new_parent_names)))
             for parent_name in sorted(new_parent_names):
                 new_edge = _create_animal_parent_of_statement(new_animal_name, parent_name)
                 command_list.append(new_edge)
 
         for animal_name in current_animal_names:
             command_list.append(_create_animal_of_species_statement(animal_name, species_name))
+            command_list.append(_create_animal_fed_at_random_event_statement(animal_name))
 
-    return command_list
+            # Entity_Related edges connecting each animal to their parents, children, and themselves
+            command_list.append(_create_entity_related_statement(animal_name, animal_name))
+            command_list.append(_create_entity_related_statement(animal_name, species_name))
+            command_list.append(_create_entity_related_statement(species_name, animal_name))
+
+        all_animal_names.extend(current_animal_names)
+
+    return command_list + _get_animal_entity_related_commands(all_animal_names)

scripts/generate_test_sql/events.py

@@ -0,0 +1,26 @@
+# Copyright 2018-present Kensho Technologies, LLC.
+from .utils import create_vertex_statement, get_random_date, get_uuid
+
+
+EVENT_NAMES_LIST = (
+    "Birthday",
+    "Bar Mitzvah",
+    "Coronation",
+    "Re-awakening",
+)
+
+
+def _create_event_statement(event_name):
+    """Return a SQL statement to create a Event vertex."""
+    field_name_to_value = {'name': event_name, 'event_date': get_random_date(), 'uuid': get_uuid()}
+    return create_vertex_statement('Event', field_name_to_value)
+
+
+def get_event_generation_commands():
+    """Return a list of SQL statements to create all event vertices."""
+    command_list = []
+
+    for event_name in EVENT_NAMES_LIST:
+        command_list.append(_create_event_statement(event_name))
+
+    return command_list

scripts/generate_test_sql/species.py

@@ -1,5 +1,7 @@
-# Copyright 2017-present Kensho Technologies, LLC.
-from .utils import create_vertex_statement, get_random_limbs, get_uuid
+# Copyright 2018-present Kensho Technologies, LLC.
+import random
+
+from .utils import create_edge_statement, create_vertex_statement, get_random_limbs, get_uuid
 
 
 SPECIES_LIST = (
@@ -8,18 +10,48 @@
     'Dragon',
     'Hippogriff',
 )
+FOOD_LIST = (
+    "Bacon",
+    "Lembas",
+    "Bloood pie",
+)
+NUM_FOODS = 2
+
+
+def _create_food_statement(food_name):
+    """Return a SQL statement to create a Food vertex."""
+    field_name_to_value = {'name': food_name, 'uuid': get_uuid()}
+    return create_vertex_statement('Food', field_name_to_value)
 
 
 def _create_species_statement(species_name):
-    """Return a SQL statement to create a species vertex."""
+    """Return a SQL statement to create a Species vertex."""
     field_name_to_value = {'name': species_name, 'limbs': get_random_limbs(), 'uuid': get_uuid()}
     return create_vertex_statement('Species', field_name_to_value)
 
 
+def _create_species_eats_statement(from_name, to_name):
+    """Return a SQL statement to create a Species_Eats edge."""
+    if to_name in SPECIES_LIST:
+        to_class = 'Species'
+    elif to_name in FOOD_LIST:
+        to_class = 'Food'
+    else:
+        raise AssertionError(u'Invalid name for Species_Eats endpoint: {}'.format(to_name))
+    return create_edge_statement('Species_Eats', 'Species', from_name, to_class, to_name)
+
+
 def get_species_generation_commands():
     """Return a list of SQL statements to create all species vertices."""
     command_list = []
+
+    for food_name in FOOD_LIST:
+        command_list.append(_create_food_statement(food_name))
     for species_name in SPECIES_LIST:
         command_list.append(_create_species_statement(species_name))
 
+    for species_name in SPECIES_LIST:
+        for food_or_species_name in random.sample(SPECIES_LIST + FOOD_LIST, NUM_FOODS):
+            command_list.append(_create_species_eats_statement(species_name, food_or_species_name))
+
     return command_list

scripts/generate_test_sql/utils.py

@@ -1,4 +1,4 @@
-# Copyright 2017-present Kensho Technologies, LLC.
+# Copyright 2018-present Kensho Technologies, LLC.
 import datetime
 from decimal import Decimal
 import random