Golang graphql.Graphql函数代码示例

func TestObjectIdentification_TestFetching_CorrectlyRefetchesTheEmpire(t *testing.T) {
	query := `
        query EmpireRefetchQuery {
          node(id: "RmFjdGlvbjoy") {
            id
            ... on Faction {
              name
            }
          }
        }
      `
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"node": map[string]interface{}{
				"id":   "RmFjdGlvbjoy",
				"name": "Galactic Empire",
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        starwars.Schema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func TestGlobalIDFields_RefetchesTheIDs(t *testing.T) {
	query := `{
      user: node(id: "VXNlcjox") {
        id
        ... on User {
          name
        }
      },
      photo: node(id: "UGhvdG86MQ==") {
        id
        ... on Photo {
          width
        }
      }
    }`
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"user": map[string]interface{}{
				"id":   "VXNlcjox",
				"name": "John Doe",
			},
			"photo": map[string]interface{}{
				"id":    "UGhvdG86MQ==",
				"width": 300,
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        globalIDTestSchema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func TestObjectIdentification_TestFetching_CorrectlyFetchesTheIDAndTheNameOfTheRebels(t *testing.T) {
	query := `
        query RebelsQuery {
          rebels {
            id
            name
          }
        }
      `
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"rebels": map[string]interface{}{
				"id":   "RmFjdGlvbjox",
				"name": "Alliance to Restore the Republic",
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        starwars.Schema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func TestGlobalIDFields_GivesDifferentIDs(t *testing.T) {
	query := `{
      allObjects {
        id
      }
    }`
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"allObjects": []interface{}{
				map[string]interface{}{
					"id": "VXNlcjox",
				},
				map[string]interface{}{
					"id": "VXNlcjoy",
				},
				map[string]interface{}{
					"id": "UGhvdG86MQ==",
				},
				map[string]interface{}{
					"id": "UGhvdG86Mg==",
				},
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        globalIDTestSchema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func TestPluralIdentifyingRootField_AllowsFetching(t *testing.T) {
	query := `{
      usernames(usernames:["dschafer", "leebyron", "schrockn"]) {
        username
        url
      }
    }`
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"usernames": []interface{}{
				map[string]interface{}{
					"username": "dschafer",
					"url":      "www.facebook.com/dschafer",
				},
				map[string]interface{}{
					"username": "leebyron",
					"url":      "www.facebook.com/leebyron",
				},
				map[string]interface{}{
					"username": "schrockn",
					"url":      "www.facebook.com/schrockn",
				},
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        pluralTestSchema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func TestConnection_TestFetching_CorrectlyFetchesNoShipsOfTheRebelsAtTheEndOfTheConnection(t *testing.T) {
	query := `
        query RebelsQuery {
          rebels {
            name,
            ships(first: 3 after: "YXJyYXljb25uZWN0aW9uOjQ=") {
              edges {
                cursor,
                node {
                  name
                }
              }
            }
          }
        }
      `
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"rebels": map[string]interface{}{
				"name": "Alliance to Restore the Republic",
				"ships": map[string]interface{}{
					"edges": []interface{}{},
				},
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        starwars.Schema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func TestNodeInterfaceAndFields_AllowsRefetching_GetsTheCorrectWidthForPhotos(t *testing.T) {
	query := `{
        node(id: "4") {
          id
          ... on Photo {
            width
          }
        }
      }`
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"node": map[string]interface{}{
				"id":    "4",
				"width": 400,
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        nodeTestSchema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func main() {
	// Save JSON of full schema introspection for Babel Relay Plugin to use
	result := graphql.Graphql(graphql.Params{
		Schema:        data.Schema,
		RequestString: testutil.IntrospectionQuery,
	})
	if result.HasErrors() {
		log.Fatalf("ERROR introspecting schema: %v", result.Errors)
		return
	} else {
		b, err := json.MarshalIndent(result, "", "  ")
		if err != nil {
			log.Fatalf("ERROR: %v", err)
		}
		err = ioutil.WriteFile("../data/schema.json", b, os.ModePerm)
		if err != nil {
			log.Fatalf("ERROR: %v", err)
		}

	}
	// TODO: Save user readable type system shorthand of schema
	// pending implementation of printSchema
	/*
		fs.writeFileSync(
		  path.join(__dirname, '../data/schema.graphql'),
		  printSchema(Schema)
		);
	*/
}

func TestMutation_WithClientMutationId_BehavesCorrectly_ReturnsTheSameClientMutationId(t *testing.T) {
	query := `
        mutation M {
          simpleMutation(input: {clientMutationId: "abc"}) {
            result
            clientMutationId
          }
        }
      `
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"simpleMutation": map[string]interface{}{
				"result":           1,
				"clientMutationId": "abc",
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        mutationTestSchema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func TestObjectIdentification_TestFetching_CorrectlyRefetchesTheXWing(t *testing.T) {
	query := `
        query XWingRefetchQuery {
          node(id: "U2hpcDox") {
            id
            ... on Ship {
              name
            }
          }
        }
      `
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"node": map[string]interface{}{
				"id":   "U2hpcDox",
				"name": "X-Wing",
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        starwars.Schema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func TestNodeInterfaceAndFields_AllowsRefetching_GetsTheCorrectNameForUsers(t *testing.T) {
	query := `{
        node(id: "1") {
          id
          ... on User {
            name
          }
        }
      }`
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"node": map[string]interface{}{
				"id":   "1",
				"name": "John Doe",
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        nodeTestSchema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func testGraphql(test T, p graphql.Params, t *testing.T) {
	result := graphql.Graphql(p)
	if len(result.Errors) > 0 {
		t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
	}
	if !reflect.DeepEqual(result, test.Expected) {
		t.Fatalf("wrong result, query: %v, graphql result diff: %v", test.Query, testutil.Diff(test.Expected, result))
	}
}

func executeQuery(query string, schema graphql.Schema) *graphql.Result {
	result := graphql.Graphql(graphql.Params{
		Schema:        schema,
		RequestString: query,
	})
	if len(result.Errors) > 0 {
		fmt.Println("wrong result, unexpected errors: %v", result.Errors)
	}
	return result
}

func TestMutation_IntrospectsCorrectly_ContainsCorrectPayload(t *testing.T) {
	query := `{
        __type(name: "SimpleMutationPayload") {
          name
          kind
          fields {
            name
            type {
              name
              kind
              ofType {
                name
                kind
              }
            }
          }
        }
      }`
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"__type": map[string]interface{}{
				"name": "SimpleMutationPayload",
				"kind": "OBJECT",
				"fields": []interface{}{
					map[string]interface{}{
						"name": "result",
						"type": map[string]interface{}{
							"name":   "Int",
							"kind":   "SCALAR",
							"ofType": nil,
						},
					},
					map[string]interface{}{
						"name": "clientMutationId",
						"type": map[string]interface{}{
							"name": nil,
							"kind": "NON_NULL",
							"ofType": map[string]interface{}{
								"name": "String",
								"kind": "SCALAR",
							},
						},
					},
				},
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        mutationTestSchema,
		RequestString: query,
	})
	if !testutil.ContainSubset(result.Data.(map[string]interface{}), expected.Data.(map[string]interface{})) {
		t.Fatalf("unexpected, result does not contain subset of expected data")
	}
}

func TestConnection_TestFetching_CorrectlyFetchesTheNextThreeShipsOfTheRebelsWithACursor(t *testing.T) {
	query := `
        query EndOfRebelShipsQuery {
          rebels {
            name,
            ships(first: 3 after: "YXJyYXljb25uZWN0aW9uOjE=") {
              edges {
                cursor,
                node {
                  name
                }
              }
            }
          }
        }
      `
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"rebels": map[string]interface{}{
				"name": "Alliance to Restore the Republic",
				"ships": map[string]interface{}{
					"edges": []interface{}{
						map[string]interface{}{
							"cursor": "YXJyYXljb25uZWN0aW9uOjI=",
							"node": map[string]interface{}{
								"name": "A-Wing",
							},
						},
						map[string]interface{}{
							"cursor": "YXJyYXljb25uZWN0aW9uOjM=",
							"node": map[string]interface{}{
								"name": "Millenium Falcon",
							},
						},
						map[string]interface{}{
							"cursor": "YXJyYXljb25uZWN0aW9uOjQ=",
							"node": map[string]interface{}{
								"name": "Home One",
							},
						},
					},
				},
			},
		},
	}
	result := graphql.Graphql(graphql.Params{
		Schema:        starwars.Schema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}