{
  "Existence filter match": {
    "describeName": "Existence Filters:",
    "itName": "Existence filter match",
    "tags": [],
    "config": {
      "useGarbageCollection": true
    },
    "steps": [
      {
        "userListen": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              1000,
              {
                "v": 1
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-1000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 1000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/1",
                1000,
                {
                  "v": 1
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "watchFilter": [
          [
            2
          ],
          "collection/1"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        }
      }
    ]
  },
  "Existence filter match after pending update": {
    "describeName": "Existence Filters:",
    "itName": "Existence filter match after pending update",
    "tags": [],
    "config": {
      "useGarbageCollection": true
    },
    "steps": [
      {
        "userListen": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-1000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              2000,
              {
                "v": 2
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchFilter": [
          [
            2
          ],
          "collection/1"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/1",
                2000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      }
    ]
  },
  "Existence filter with empty target": {
    "describeName": "Existence Filters:",
    "itName": "Existence filter with empty target",
    "tags": [],
    "config": {
      "useGarbageCollection": true
    },
    "steps": [
      {
        "userListen": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-1000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "watchFilter": [
          [
            2
          ],
          "collection/1"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "errorCode": 0,
            "fromCache": true,
            "hasPendingWrites": false
          }
        ]
      }
    ]
  },
  "Existence filter ignored with pending target": {
    "describeName": "Existence Filters:",
    "itName": "Existence filter ignored with pending target",
    "tags": [],
    "config": {
      "useGarbageCollection": false
    },
    "steps": [
      {
        "userListen": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              2000,
              {
                "v": 2
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-1000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 1000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/1",
                2000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "userUnlisten": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {}
        }
      },
      {
        "userListen": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": "resume-token-1000"
            }
          }
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/1",
                2000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": true,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "watchFilter": [
          [
            2
          ]
        ]
      },
      {
        "watchRemove": {
          "targetIds": [
            2
          ]
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-2000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      }
    ]
  },
  "Existence filter mismatch triggers re-run of query": {
    "describeName": "Existence Filters:",
    "itName": "Existence filter mismatch triggers re-run of query",
    "tags": [],
    "config": {
      "useGarbageCollection": true
    },
    "steps": [
      {
        "userListen": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              1000,
              {
                "v": 1
              }
            ],
            [
              "collection/2",
              1000,
              {
                "v": 2
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-1000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 1000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/1",
                1000,
                {
                  "v": 1
                }
              ],
              [
                "collection/2",
                1000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "watchFilter": [
          [
            2
          ],
          "collection/1"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "errorCode": 0,
            "fromCache": true,
            "hasPendingWrites": false
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchRemove": {
          "targetIds": [
            2
          ]
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              1000,
              {
                "v": 1
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-2000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "stateExpect": {
          "limboDocs": [
            "collection/2"
          ],
          "activeTargets": {
            "1": {
              "query": {
                "path": "collection/2",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            },
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          1
        ]
      },
      {
        "watchCurrent": [
          [
            1
          ],
          "resume-token-2000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "stateExpect": {
          "limboDocs": [],
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "removed": [
              [
                "collection/2",
                1000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      }
    ]
  },
  "Existence filter mismatch will drop resume token": {
    "describeName": "Existence Filters:",
    "itName": "Existence filter mismatch will drop resume token",
    "tags": [],
    "config": {
      "useGarbageCollection": true
    },
    "steps": [
      {
        "userListen": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              1000,
              {
                "v": 1
              }
            ],
            [
              "collection/2",
              1000,
              {
                "v": 2
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "existence-filter-resume-token"
        ]
      },
      {
        "watchSnapshot": {
          "version": 1000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/1",
                1000,
                {
                  "v": 1
                }
              ],
              [
                "collection/2",
                1000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "watchStreamClose": {
          "error": {
            "code": 14,
            "message": "Simulated Backend Error"
          },
          "runBackoffTimer": true
        },
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": "existence-filter-resume-token"
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchFilter": [
          [
            2
          ],
          "collection/1"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "errorCode": 0,
            "fromCache": true,
            "hasPendingWrites": false
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchRemove": {
          "targetIds": [
            2
          ]
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              1000,
              {
                "v": 1
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-2000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "stateExpect": {
          "limboDocs": [
            "collection/2"
          ],
          "activeTargets": {
            "1": {
              "query": {
                "path": "collection/2",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            },
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          1
        ]
      },
      {
        "watchCurrent": [
          [
            1
          ],
          "resume-token-2000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "stateExpect": {
          "limboDocs": [],
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "removed": [
              [
                "collection/2",
                1000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      }
    ]
  },
  "Existence filter handled at global snapshot": {
    "describeName": "Existence Filters:",
    "itName": "Existence filter handled at global snapshot",
    "tags": [],
    "config": {
      "useGarbageCollection": true
    },
    "steps": [
      {
        "userListen": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              1000,
              {
                "v": 1
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-1000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 1000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/1",
                1000,
                {
                  "v": 1
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "watchFilter": [
          [
            2
          ],
          "collection/1",
          "collection/2"
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/3",
              3000,
              {
                "v": 3
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/3",
                3000,
                {
                  "v": 3
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": true,
            "hasPendingWrites": false
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchRemove": {
          "targetIds": [
            2
          ]
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              1000,
              {
                "v": 1
              }
            ],
            [
              "collection/2",
              2000,
              {
                "v": 2
              }
            ],
            [
              "collection/3",
              3000,
              {
                "v": 3
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-3000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 3000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/2",
                2000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      }
    ]
  },
  "Existence filter synthesizes deletes": {
    "describeName": "Existence Filters:",
    "itName": "Existence filter synthesizes deletes",
    "tags": [],
    "config": {
      "useGarbageCollection": true
    },
    "steps": [
      {
        "userListen": [
          2,
          {
            "path": "collection/a",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection/a",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/a",
              1000,
              {
                "v": 1
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-1000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 1000
        },
        "expect": [
          {
            "query": {
              "path": "collection/a",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/a",
                1000,
                {
                  "v": 1
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "watchFilter": [
          [
            2
          ]
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection/a",
              "filters": [],
              "orderBys": []
            },
            "removed": [
              [
                "collection/a",
                1000,
                {
                  "v": 1
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      }
    ]
  },
  "Existence filter limbo resolution is denied": {
    "describeName": "Existence Filters:",
    "itName": "Existence filter limbo resolution is denied",
    "tags": [],
    "config": {
      "useGarbageCollection": true
    },
    "steps": [
      {
        "userListen": [
          2,
          {
            "path": "collection",
            "filters": [],
            "orderBys": []
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              1000,
              {
                "v": 1
              }
            ],
            [
              "collection/2",
              1000,
              {
                "v": 2
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-1000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 1000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "added": [
              [
                "collection/1",
                1000,
                {
                  "v": 1
                }
              ],
              [
                "collection/2",
                1000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      },
      {
        "watchFilter": [
          [
            2
          ],
          "collection/1"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "errorCode": 0,
            "fromCache": true,
            "hasPendingWrites": false
          }
        ],
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchRemove": {
          "targetIds": [
            2
          ]
        }
      },
      {
        "watchAck": [
          2
        ]
      },
      {
        "watchEntity": {
          "docs": [
            [
              "collection/1",
              1000,
              {
                "v": 1
              }
            ]
          ],
          "targets": [
            2
          ]
        }
      },
      {
        "watchCurrent": [
          [
            2
          ],
          "resume-token-2000"
        ]
      },
      {
        "watchSnapshot": {
          "version": 2000
        },
        "stateExpect": {
          "limboDocs": [
            "collection/2"
          ],
          "activeTargets": {
            "1": {
              "query": {
                "path": "collection/2",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            },
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          }
        }
      },
      {
        "watchRemove": {
          "targetIds": [
            1
          ],
          "cause": {
            "code": 7
          }
        },
        "stateExpect": {
          "activeTargets": {
            "2": {
              "query": {
                "path": "collection",
                "filters": [],
                "orderBys": []
              },
              "resumeToken": ""
            }
          },
          "limboDocs": []
        },
        "expect": [
          {
            "query": {
              "path": "collection",
              "filters": [],
              "orderBys": []
            },
            "removed": [
              [
                "collection/2",
                1000,
                {
                  "v": 2
                }
              ]
            ],
            "errorCode": 0,
            "fromCache": false,
            "hasPendingWrites": false
          }
        ]
      }
    ]
  }
}