Exemple #1
0
  def test_select_dependencies_recurse_with_different_type(self):
    rules = [
      (Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop),
      (B, (Select(A),), noop),
      (C, (Select(SubA),), noop),
      (SubA, tuple(), noop)
    ]

    graphmaker = GraphMaker(RuleIndex.create(rules, tuple()),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                                      {
                                        root_subject_types: (SubA,)
                                        root_rules:
                                        Select(A) for SubA => ((Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of SubA,)
                                        all_rules:
                                        (B, (Select(A),), noop) of C => ((Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of C,)
                                        (B, (Select(A),), noop) of D => ((Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of D,)
                                        (Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of C => ((SubA, (), noop) of C, (B, (Select(A),), noop) of C, (B, (Select(A),), noop) of D,)
                                        (Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of D => ((SubA, (), noop) of D, (B, (Select(A),), noop) of C, (B, (Select(A),), noop) of D,)
                                        (Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of SubA => (SubjectIsProduct(SubA), (B, (Select(A),), noop) of C, (B, (Select(A),), noop) of D,)
                                        (SubA, (), noop) of C => (,)
                                        (SubA, (), noop) of D => (,)
                                      }""").strip(),
                                    subgraph)
Exemple #2
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    def test_select_dependencies_multiple_field_types_all_resolvable_with_deps(
            self):
        rules = [
            (Exactly(A), (SelectDependencies(B, SubA, field_types=(
                C,
                D,
            )), ), noop),
            # for the C type, it'll just be a literal, but for D, it'll traverse one more edge
            (B, (Select(C), ), noop),
            (C, (Select(D), ), noop),
        ]

        graphmaker = GraphMaker(RuleIndex.create(rules, tuple()),
                                root_subject_fns=_suba_root_subject_fns)
        subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

        self.assert_equal_with_printing(
            dedent("""
                                      {
                                        root_subject_types: (SubA,)
                                        root_rules:
                                        Select(A) for SubA => ((Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of SubA,)
                                        all_rules:
                                        (B, (Select(C),), noop) of C => (SubjectIsProduct(C),)
                                        (B, (Select(C),), noop) of D => ((C, (Select(D),), noop) of D,)
                                        (C, (Select(D),), noop) of D => (SubjectIsProduct(D),)
                                        (Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of SubA => (SubjectIsProduct(SubA), (B, (Select(C),), noop) of C, (B, (Select(C),), noop) of D,)
                                      }""").strip(), subgraph)
Exemple #3
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    def test_select_dependencies_recurse_with_different_type(self):
        rules = [(Exactly(A), (SelectDependencies(B,
                                                  SubA,
                                                  field_types=(
                                                      C,
                                                      D,
                                                  )), ), noop),
                 (B, (Select(A), ), noop), (C, (Select(SubA), ), noop),
                 (SubA, tuple(), noop)]

        graphmaker = GraphMaker(RuleIndex.create(rules, tuple()),
                                root_subject_fns=_suba_root_subject_fns)
        subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

        self.assert_equal_with_printing(
            dedent("""
                                      {
                                        root_subject_types: (SubA,)
                                        root_rules:
                                        Select(A) for SubA => ((Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of SubA,)
                                        all_rules:
                                        (B, (Select(A),), noop) of C => ((Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of C,)
                                        (B, (Select(A),), noop) of D => ((Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of D,)
                                        (Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of C => ((SubA, (), noop) of C, (B, (Select(A),), noop) of C, (B, (Select(A),), noop) of D,)
                                        (Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of D => ((SubA, (), noop) of D, (B, (Select(A),), noop) of C, (B, (Select(A),), noop) of D,)
                                        (Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop) of SubA => (SubjectIsProduct(SubA), (B, (Select(A),), noop) of C, (B, (Select(A),), noop) of D,)
                                        (SubA, (), noop) of C => (,)
                                        (SubA, (), noop) of D => (,)
                                      }""").strip(), subgraph)
Exemple #4
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  def test_noop_removal_transitive(self):
    # If a noop-able rule has rules that depend on it,
    # they should be removed from the graph.
    rules = [
      (Exactly(B), (Select(C),), noop),
      (Exactly(A), (Select(B),), noop),
      (Exactly(A), tuple(), noop),
    ]
    intrinsics = [
      (D, C, BoringRule(C))
    ]
    graphmaker = GraphMaker(RuleIndex.create(rules, intrinsics),
      root_subject_fns=_suba_root_subject_fns,

    )
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules:
                                 Select(A) for SubA => ((Exactly(A), (), noop) of SubA,)
                                 all_rules:
                                 (Exactly(A), (), noop) of SubA => (,)
                               }""").strip(), subgraph)
Exemple #5
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  def test_single_rule_depending_on_subject_selection(self):
    rules = [
      (Exactly(A), (Select(SubA),), noop)
    ]

    graphmaker = GraphMaker(NodeBuilder.create(rules, tuple()),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules: (Exactly(A), (Select(SubA),), noop) of SubA
                                 (Exactly(A), (Select(SubA),), noop) of SubA => (SubjectIsProduct(SubA),)
                               }""").strip(), subgraph)
Exemple #6
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  def test_select_literal(self):
    literally_a = A()
    rules = [
      (B, (SelectLiteral(literally_a, A),), noop)
    ]

    graphmaker = GraphMaker(NodeBuilder.create(rules, tuple()),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=B)

    self.assert_equal_with_printing(dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules: (B, (SelectLiteral(A(), A),), noop) of SubA
                                 (B, (SelectLiteral(A(), A),), noop) of SubA => (Literal(A(), A),)
                               }""").strip(), subgraph)
Exemple #7
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  def test_select_dependencies_non_matching_subselector_because_of_intrinsic(self):
    rules = [
      (Exactly(A), (SelectDependencies(B, SubA, field_types=(D,)),), noop),
    ]
    intrinsics = [
      (C, B, noop),
    ]
    graphmaker = GraphMaker(NodeBuilder.create(rules, intrinsics),
                            root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing('{empty graph}', subgraph)
    self.assert_equal_with_printing(dedent("""
                         Rules with errors: 1
                           (Exactly(A), (SelectDependencies(B, SubA, u'dependencies', field_types=(D,)),), noop):
                             no matches for Select(B) when resolving SelectDependencies(B, SubA, u'dependencies', field_types=(D,)) with subject types: D""").strip(),
                                    subgraph.error_message())
Exemple #8
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  def test_select_dependencies_non_matching_subselector_because_of_intrinsic(self):
    rules = [
      (Exactly(A), (SelectDependencies(B, SubA, field_types=(D,)),), noop),
    ]
    intrinsics = [
      (C, B, noop),
    ]
    graphmaker = GraphMaker(RuleIndex.create(rules, intrinsics),
                            root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing('{empty graph}', subgraph)
    self.assert_equal_with_printing(dedent("""
                         Rules with errors: 1
                           (Exactly(A), (SelectDependencies(B, SubA, field_types=(D,)),), noop):
                             no matches for Select(B) when resolving SelectDependencies(B, SubA, field_types=(D,)) with subject types: D""").strip(),
                                    subgraph.error_message())
Exemple #9
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    def test_one_level_of_recursion(self):
        rules = [(Exactly(A), (Select(B), ), noop),
                 (B, (Select(SubA), ), noop)]

        graphmaker = GraphMaker(RuleIndex.create(rules, tuple()),
                                root_subject_fns=_suba_root_subject_fns)
        subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

        self.assert_equal_with_printing(
            dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules:
                                 Select(A) for SubA => ((Exactly(A), (Select(B),), noop) of SubA,)
                                 all_rules:
                                 (B, (Select(SubA),), noop) of SubA => (SubjectIsProduct(SubA),)
                                 (Exactly(A), (Select(B),), noop) of SubA => ((B, (Select(SubA),), noop) of SubA,)
                               }""").strip(), subgraph)
Exemple #10
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  def test_depends_on_multiple_one_noop(self):
    rules = [
      (B, (Select(A),), noop),
      (A, (Select(C),), noop),
      (A, (Select(SubA),), noop)
    ]

    graphmaker = GraphMaker(NodeBuilder.create(rules, tuple()),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=B)

    self.assert_equal_with_printing(dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules: (B, (Select(A),), noop) of SubA
                                 (A, (Select(SubA),), noop) of SubA => (SubjectIsProduct(SubA),)
                                 (B, (Select(A),), noop) of SubA => ((A, (Select(SubA),), noop) of SubA,)
                               }""").strip(), subgraph)
Exemple #11
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    def test_depends_on_multiple_one_noop(self):
        rules = [(B, (Select(A), ), noop), (A, (Select(C), ), noop),
                 (A, (Select(SubA), ), noop)]

        graphmaker = GraphMaker(RuleIndex.create(rules, tuple()),
                                root_subject_fns=_suba_root_subject_fns)
        subgraph = graphmaker.generate_subgraph(SubA(), requested_product=B)

        self.assert_equal_with_printing(
            dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules:
                                 Select(B) for SubA => ((B, (Select(A),), noop) of SubA,)
                                 all_rules:
                                 (A, (Select(SubA),), noop) of SubA => (SubjectIsProduct(SubA),)
                                 (B, (Select(A),), noop) of SubA => ((A, (Select(SubA),), noop) of SubA,)
                               }""").strip(), subgraph)
Exemple #12
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  def test_select_dependencies_with_subject_as_first_subselector(self):
    rules = [
      (Exactly(A), (SelectDependencies(B, SubA, field_types=(D,)),), noop),
      (B, (Select(D),), noop),
    ]

    graphmaker = GraphMaker(NodeBuilder.create(rules, tuple()),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                                      {
                                        root_subject_types: (SubA,)
                                        root_rules: (Exactly(A), (SelectDependencies(B, SubA, u'dependencies', field_types=(D,)),), noop) of SubA
                                        (B, (Select(D),), noop) of D => (SubjectIsProduct(D),)
                                        (Exactly(A), (SelectDependencies(B, SubA, u'dependencies', field_types=(D,)),), noop) of SubA => (SubjectIsProduct(SubA), (B, (Select(D),), noop) of D,)
                                      }""").strip(),
                                    subgraph)
Exemple #13
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  def test_successful_when_one_field_type_is_unfulfillable(self):
    # NB We may want this to be a warning, since it may not be intentional
    rules = [
      (B, (Select(SubA),), noop),
      (D, (Select(Exactly(B)), SelectDependencies(B, SubA, field_types=(SubA, C))), noop)
    ]

    graphmaker = GraphMaker(NodeBuilder.create(rules, tuple()),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=D)

    self.assert_equal_with_printing(dedent("""
                                      {
                                        root_subject_types: (SubA,)
                                        root_rules: (D, (Select(Exactly(B)), SelectDependencies(B, SubA, u'dependencies', field_types=(SubA, C,))), noop) of SubA
                                        (B, (Select(SubA),), noop) of SubA => (SubjectIsProduct(SubA),)
                                        (D, (Select(Exactly(B)), SelectDependencies(B, SubA, u'dependencies', field_types=(SubA, C,))), noop) of SubA => ((B, (Select(SubA),), noop) of SubA, SubjectIsProduct(SubA), (B, (Select(SubA),), noop) of SubA,)
                                      }""").strip(),
      subgraph)
Exemple #14
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  def test_one_level_of_recursion(self):
    rules = [
      (Exactly(A), (Select(B),), noop),
      (B, (Select(SubA),), noop)
    ]

    graphmaker = GraphMaker(RuleIndex.create(rules, tuple()),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules:
                                 Select(A) for SubA => ((Exactly(A), (Select(B),), noop) of SubA,)
                                 all_rules:
                                 (B, (Select(SubA),), noop) of SubA => (SubjectIsProduct(SubA),)
                                 (Exactly(A), (Select(B),), noop) of SubA => ((B, (Select(SubA),), noop) of SubA,)
                               }""").strip(), subgraph)
Exemple #15
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  def test_noop_removal_in_subgraph(self):
    intrinsics = {(B, C): BoringRule(C)}
    rules = [
      # C is provided by an intrinsic, but only if the subject is B.
      (Exactly(A), (Select(C),), noop),
      (Exactly(A), tuple(), noop),
    ]

    graphmaker = GraphMaker(NodeBuilder.create(rules,
                                               intrinsic_providers=(IntrinsicProvider(intrinsics),)),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules: (Exactly(A), (), noop) of SubA
                                 (Exactly(A), (), noop) of SubA => (,)
                               }""").strip(), subgraph)
Exemple #16
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    def test_select_projection_simple(self):
        rules = [
            (Exactly(A), (SelectProjection(B, D, ('some', ), SubA), ), noop),
            (B, (Select(D), ), noop),
        ]

        graphmaker = GraphMaker(RuleIndex.create(rules, tuple()),
                                root_subject_fns=_suba_root_subject_fns)
        subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

        self.assert_equal_with_printing(
            dedent("""
                                      {
                                        root_subject_types: (SubA,)
                                        root_rules:
                                        Select(A) for SubA => ((Exactly(A), (SelectProjection(B, D, (u'some',), SubA),), noop) of SubA,)
                                        all_rules:
                                        (B, (Select(D),), noop) of D => (SubjectIsProduct(D),)
                                        (Exactly(A), (SelectProjection(B, D, (u'some',), SubA),), noop) of SubA => (SubjectIsProduct(SubA), (B, (Select(D),), noop) of D,)
                                      }""").strip(), subgraph)
Exemple #17
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  def test_select_dependencies_with_matching_intrinsic(self):
    rules = [
      (Exactly(A), (SelectDependencies(B, SubA, field_types=(C,)),), noop),
    ]
    intrinsics = [
      (B, C, noop),
    ]

    graphmaker = GraphMaker(NodeBuilder.create(rules, intrinsics),
                            root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                                      {
                                        root_subject_types: (SubA,)
                                        root_rules: (Exactly(A), (SelectDependencies(B, SubA, u'dependencies', field_types=(C,)),), noop) of SubA
                                        (Exactly(A), (SelectDependencies(B, SubA, u'dependencies', field_types=(C,)),), noop) of SubA => (SubjectIsProduct(SubA), IntrinsicRule(noop) of C,)
                                        IntrinsicRule(noop) of C => (,)
                                      }""").strip(),
                                    subgraph)
Exemple #18
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  def test_select_projection_simple(self):
    rules = [
      (Exactly(A), (SelectProjection(B, D, ('some',), SubA),), noop),
      (B, (Select(D),), noop),
    ]

    graphmaker = GraphMaker(RuleIndex.create(rules, tuple()),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                                      {
                                        root_subject_types: (SubA,)
                                        root_rules:
                                        Select(A) for SubA => ((Exactly(A), (SelectProjection(B, D, (u'some',), SubA),), noop) of SubA,)
                                        all_rules:
                                        (B, (Select(D),), noop) of D => (SubjectIsProduct(D),)
                                        (Exactly(A), (SelectProjection(B, D, (u'some',), SubA),), noop) of SubA => (SubjectIsProduct(SubA), (B, (Select(D),), noop) of D,)
                                      }""").strip(),
                                    subgraph)
Exemple #19
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  def test_noop_removal_transitive(self):
    # If a noop-able rule has rules that depend on it,
    # they should be removed from the graph.
    rules = [
      (Exactly(B), (Select(C),), noop),
      (Exactly(A), (Select(B),), noop),
      (Exactly(A), tuple(), noop),
    ]

    graphmaker = GraphMaker(NodeBuilder.create(rules, (IntrinsicProvider({(D, C): BoringRule(C)}),)),
      root_subject_fns=_suba_root_subject_fns,

    )
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules: (Exactly(A), (), noop) of SubA
                                 (Exactly(A), (), noop) of SubA => (,)
                               }""").strip(), subgraph)
Exemple #20
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  def test_select_dependencies_multiple_field_types_all_resolvable_with_deps(self):
    rules = [
      (Exactly(A), (SelectDependencies(B, SubA, field_types=(C, D,)),), noop),
      # for the C type, it'll just be a literal, but for D, it'll traverse one more edge
      (B, (Select(C),), noop),
      (C, (Select(D),), noop),
    ]

    graphmaker = GraphMaker(NodeBuilder.create(rules, tuple()),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                                      {
                                        root_subject_types: (SubA,)
                                        root_rules: (Exactly(A), (SelectDependencies(B, SubA, u'dependencies', field_types=(C, D,)),), noop) of SubA
                                        (B, (Select(C),), noop) of C => (SubjectIsProduct(C),)
                                        (B, (Select(C),), noop) of D => ((C, (Select(D),), noop) of D,)
                                        (C, (Select(D),), noop) of D => (SubjectIsProduct(D),)
                                        (Exactly(A), (SelectDependencies(B, SubA, u'dependencies', field_types=(C, D,)),), noop) of SubA => (SubjectIsProduct(SubA), (B, (Select(C),), noop) of C, (B, (Select(C),), noop) of D,)
                                      }""").strip(),
                                    subgraph)
Exemple #21
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    def test_noop_removal_in_subgraph(self):
        rules = [
            # C is provided by an intrinsic, but only if the subject is B.
            (Exactly(A), (Select(C), ), noop),
            (Exactly(A), tuple(), noop),
        ]
        intrinsics = [
            (B, C, noop),
        ]

        graphmaker = GraphMaker(RuleIndex.create(rules, intrinsics),
                                root_subject_fns=_suba_root_subject_fns)
        subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

        self.assert_equal_with_printing(
            dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules:
                                 Select(A) for SubA => ((Exactly(A), (), noop) of SubA,)
                                 all_rules:
                                 (Exactly(A), (), noop) of SubA => (,)
                               }""").strip(), subgraph)
Exemple #22
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  def test_noop_removal_in_subgraph(self):
    rules = [
      # C is provided by an intrinsic, but only if the subject is B.
      (Exactly(A), (Select(C),), noop),
      (Exactly(A), tuple(), noop),
    ]
    intrinsics = [
      (B, C, noop),
    ]

    graphmaker = GraphMaker(RuleIndex.create(rules,
                                             intrinsics),
      root_subject_fns=_suba_root_subject_fns)
    subgraph = graphmaker.generate_subgraph(SubA(), requested_product=A)

    self.assert_equal_with_printing(dedent("""
                               {
                                 root_subject_types: (SubA,)
                                 root_rules:
                                 Select(A) for SubA => ((Exactly(A), (), noop) of SubA,)
                                 all_rules:
                                 (Exactly(A), (), noop) of SubA => (,)
                               }""").strip(), subgraph)