Golang testutil.Diff函数代码示例

func TestNonNull_NullsANullableFieldThatSynchronouslyReturnsNullInAPromise(t *testing.T) {
	doc := `
      query Q {
        promise
      }
	`
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"promise": nil,
		},
	}
	// parse query
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: nonNullTestSchema,
		AST:    ast,
		Root:   nullingData,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected.Data, result.Data) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected.Data, result.Data))
	}
	if !reflect.DeepEqual(expected.Errors, result.Errors) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
}

func TestVariables_ObjectsAndNullability_UsingVariables_ErrorsOnIncorrectType(t *testing.T) {
	params := map[string]interface{}{
		"input": "foo bar",
	}
	expected := &types.GraphQLResult{
		Data: nil,
		Errors: []graphqlerrors.GraphQLFormattedError{
			graphqlerrors.GraphQLFormattedError{
				Message: `Variable "$input" expected value of type "TestInputObject" but ` +
					`got: "foo bar".`,
				Locations: []location.SourceLocation{
					location.SourceLocation{
						Line: 2, Column: 17,
					},
				},
			},
		},
	}

	ast := testVariables_ObjectsAndNullability_UsingVariables_GetAST(t)

	// execute
	ep := executor.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
		Args:   params,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestVariables_ListsAndNullability_DoesNotAllowNonNullListsToBeNull(t *testing.T) {
	doc := `
        query q($input: [String]!) {
          nnList(input: $input)
        }
	`
	expected := &types.GraphQLResult{
		Data: nil,
		Errors: []graphqlerrors.GraphQLFormattedError{
			graphqlerrors.GraphQLFormattedError{
				Message: `Variable "$input" of required type "[String]!" was not provided.`,
				Locations: []location.SourceLocation{
					location.SourceLocation{
						Line: 2, Column: 17,
					},
				},
			},
		},
	}
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestNonNull_NullsTheTopLevelIfSyncNonNullableFieldResolvesNull(t *testing.T) {
	doc := `
      query Q { nonNullPromise }
	`
	expected := &types.GraphQLResult{
		Data: nil,
		Errors: []graphqlerrors.GraphQLFormattedError{
			graphqlerrors.GraphQLFormattedError{
				Message: `Cannot return null for non-nullable field DataType.nonNullPromise.`,
				Locations: []location.SourceLocation{
					location.SourceLocation{Line: 2, Column: 17},
				},
			},
		},
	}
	// parse query
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: nonNullTestSchema,
		AST:    ast,
		Root:   nullingData,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestVariables_UsesArgumentDefaultValues_WhenArgumentProvidedCannotBeParsed(t *testing.T) {
	doc := `
	{
		fieldWithDefaultArgumentValue(input: WRONG_TYPE)
	}
	`
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"fieldWithDefaultArgumentValue": `"Hello World"`,
		},
	}
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestVariables_ListsAndNullability_AllowsNonNullListsOfNonNulsToContainValues(t *testing.T) {
	doc := `
        query q($input: [String!]!) {
          nnListNN(input: $input)
        }
	`
	params := map[string]interface{}{
		"input": []interface{}{"A"},
	}
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"nnListNN": `["A"]`,
		},
	}
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
		Args:   params,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestMutations_ExecutionOrdering_EvaluatesMutationsSerially(t *testing.T) {

	root := newTestRoot(6)
	doc := `mutation M {
      first: immediatelyChangeTheNumber(newNumber: 1) {
        theNumber
      },
      second: promiseToChangeTheNumber(newNumber: 2) {
        theNumber
      },
      third: immediatelyChangeTheNumber(newNumber: 3) {
        theNumber
      }
      fourth: promiseToChangeTheNumber(newNumber: 4) {
        theNumber
      },
      fifth: immediatelyChangeTheNumber(newNumber: 5) {
        theNumber
      }
    }`

	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"first": map[string]interface{}{
				"theNumber": 1,
			},
			"second": map[string]interface{}{
				"theNumber": 2,
			},
			"third": map[string]interface{}{
				"theNumber": 3,
			},
			"fourth": map[string]interface{}{
				"theNumber": 4,
			},
			"fifth": map[string]interface{}{
				"theNumber": 5,
			},
		},
	}
	// parse query
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: mutationsTestSchema,
		AST:    ast,
		Root:   root,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestUnionIntersectionTypes_ExecutesUnionTypesWithInlineFragments(t *testing.T) {
	// This is the valid version of the query in the above test.
	doc := `
      {
        __typename
        name
        pets {
          __typename
          ... on Dog {
            name
            barks
          }
          ... on Cat {
            name
            meows
          }
        }
      }
	`
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"__typename": "Person",
			"name":       "John",
			"pets": []interface{}{
				map[string]interface{}{
					"__typename": "Cat",
					"name":       "Garfield",
					"meows":      false,
				},
				map[string]interface{}{
					"__typename": "Dog",
					"name":       "Odie",
					"barks":      true,
				},
			},
		},
	}
	// parse query
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: unionInterfaceTestSchema,
		AST:    ast,
		Root:   john,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestUnionIntersectionTypes_ExecutesUsingInterfaceTypes(t *testing.T) {

	// NOTE: This is an *invalid* query, but it should be an *executable* query.
	doc := `
      {
        __typename
        name
        friends {
          __typename
          name
          barks
          meows
        }
      }
	`
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"__typename": "Person",
			"name":       "John",
			"friends": []interface{}{
				map[string]interface{}{
					"__typename": "Person",
					"name":       "Liz",
				},
				map[string]interface{}{
					"__typename": "Dog",
					"name":       "Odie",
					"barks":      true,
				},
			},
		},
	}
	// parse query
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: unionInterfaceTestSchema,
		AST:    ast,
		Root:   john,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestVariables_NonNullableScalars_AllowsNonNullableInputsToBeSetToAValueDirectly(t *testing.T) {
	doc := `
      {
        fieldWithNonNullableStringInput(input: "a")
      }
	`

	params := map[string]interface{}{
		"value": "a",
	}

	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"fieldWithNonNullableStringInput": `"a"`,
		},
	}

	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
		Args:   params,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) > 0 {
		t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestVariables_NullableScalars_AllowsNullableInputsToBeOmittedInAnUnlistedVariable(t *testing.T) {
	doc := `
      query SetsNullable {
        fieldWithNullableStringInput(input: $value)
      }
	`
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"fieldWithNullableStringInput": nil,
		},
	}

	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) > 0 {
		t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected 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 := &types.GraphQLResult{
		Data: map[string]interface{}{
			"rebels": map[string]interface{}{
				"name": "Alliance to Restore the Republic",
				"ships": map[string]interface{}{
					"edges": []interface{}{},
				},
			},
		},
	}
	result := graphql(t, gql.GraphqlParams{
		Schema:        starwars.Schema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}

func TestVariables_ObjectsAndNullability_UsingInlineStructs_ProperlyParsesSingleValueToList(t *testing.T) {
	doc := `
        {
          fieldWithObjectInput(input: {a: "foo", b: "bar", c: "baz"})
        }
	`
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"fieldWithObjectInput": `{"a":"foo","b":["bar"],"c":"baz"}`,
		},
	}
	// parse query
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) > 0 {
		t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

func TestObjectIdentification_TestFetching_CorrectlyRefetchesTheEmpire(t *testing.T) {
	query := `
        query EmpireRefetchQuery {
          node(id: "RmFjdGlvbjoy") {
            id
            ... on Faction {
              name
            }
          }
        }
      `
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"node": map[string]interface{}{
				"id":   "RmFjdGlvbjoy",
				"name": "Galactic Empire",
			},
		},
	}
	result := graphql(t, gql.GraphqlParams{
		Schema:        starwars.Schema,
		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 := &types.GraphQLResult{
		Data: map[string]interface{}{
			"rebels": map[string]interface{}{
				"id":   "RmFjdGlvbjox",
				"name": "Alliance to Restore the Republic",
			},
		},
	}
	result := graphql(t, gql.GraphqlParams{
		Schema:        starwars.Schema,
		RequestString: query,
	})
	if !reflect.DeepEqual(result, expected) {
		t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
	}
}