gremlin-test/src/main/resources/org/apache/tinkerpop/gremlin/test/features/map/Edge.feature

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@StepClassMap @StepE
Feature: Step - E()

  Scenario: g_V_EX11X
    Given the modern graph
    And using the parameter eid11 defined as "e[josh-created->lop].id"
    And the traversal of
      """
      g.V().E(eid11)
      """
    When iterated to list
    Then the result should be unordered
      | result |
      | e[josh-created->lop] |
      | e[josh-created->lop] |
      | e[josh-created->lop] |
      | e[josh-created->lop] |
      | e[josh-created->lop] |
      | e[josh-created->lop] |

  Scenario: g_EX11X_E
    Given the modern graph
    And using the parameter eid11 defined as "e[josh-created->lop].id"
    And the traversal of
      """
      g.E(eid11).E()
      """
    When iterated to list
    Then the result should be unordered
      | result |
      | e[marko-created->lop] |
      | e[marko-knows->josh] |
      | e[marko-knows->vadas] |
      | e[peter-created->lop] |
      | e[josh-created->lop] |
      | e[josh-created->ripple] |
      
  Scenario: g_V_EXnullX
    Given the modern graph
    And the traversal of
      """
      g.V().E(null)
      """
    When iterated to list
    Then the result should be empty

  Scenario: g_V_EXlistXnullXX
    Given the modern graph
    And using the parameter xx1 defined as "l[null]"
    And the traversal of
      """
      g.V().E(xx1)
      """
    When iterated to list
    Then the result should be empty

  Scenario: g_injectX1X_EX11_nullX
    Given the modern graph
    And using the parameter eid11 defined as "e[josh-created->lop].id"
    And the traversal of
      """
      g.inject(1).E(eid11,null)
      """
    When iterated to list
    Then the result should be unordered
      | result |
      | e[josh-created->lop] |

 Scenario: g_injectX1X_coalesceXEX_hasLabelXtestsX_addEXtestsX_from_V_hasXnameX_XjoshXX_toXV_hasXnameX_XvadasXXX
    Given the empty graph
    And the graph initializer of
      """
      g.addV("person").property("name", "josh").
        addV("person").property("name", "vadas")
      """
    And the traversal of
      """
      g.inject(1).coalesce(E().hasLabel("tests"), addE("tests").from(V().has("name","josh")).to(V().has("name","vadas")))
      """
    When iterated to list
    Then the result should have a count of 1
    And the graph should return 1 for count of "g.E().hasLabel(\"tests\")"