Golang testutil.Diff函数代码示例

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

	// execute
	ep := graphql.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
		Args:   params,
	}
	result := testutil.TestExecute(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 := &graphql.Result{
		Data: nil,
		Errors: []gqlerrors.FormattedError{
			gqlerrors.FormattedError{
				Message: `Cannot return null for non-nullable field DataType.nonNullPromise.`,
				Locations: []location.SourceLocation{
					location.SourceLocation{Line: 2, Column: 17},
				},
			},
		},
	}
	// parse query
	ast := testutil.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: nonNullTestSchema,
		AST:    ast,
		Root:   nullingData,
	}
	result := testutil.TestExecute(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_NullsANullableFieldThatSynchronouslyReturnsNullInAPromise(t *testing.T) {
	doc := `
      query Q {
        promise
      }
	`
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"promise": nil,
		},
	}
	// parse query
	ast := testutil.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: nonNullTestSchema,
		AST:    ast,
		Root:   nullingData,
	}
	result := testutil.TestExecute(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 := &graphql.Result{
		Data: nil,
		Errors: []gqlerrors.FormattedError{
			gqlerrors.FormattedError{
				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 := graphql.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
		Args:   params,
	}
	result := testutil.TestExecute(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: $input)
        }
	`
	expected := &graphql.Result{
		Data: nil,
		Errors: []gqlerrors.FormattedError{
			gqlerrors.FormattedError{
				Message: `Variable "$input" of required type "[String]!" was not provided.`,
				Locations: []location.SourceLocation{
					location.SourceLocation{
						Line: 2, Column: 17,
					},
				},
			},
		},
	}
	ast := testutil.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
	}
	result := testutil.TestExecute(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 := &graphql.Result{
		Data: map[string]interface{}{
			"fieldWithDefaultArgumentValue": `"Hello World"`,
		},
	}
	ast := testutil.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
	}
	result := testutil.TestExecute(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 := &graphql.Result{
		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.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: mutationsTestSchema,
		AST:    ast,
		Root:   root,
	}
	result := testutil.TestExecute(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 := &graphql.Result{
		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.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: unionInterfaceTestSchema,
		AST:    ast,
		Root:   john,
	}
	result := testutil.TestExecute(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 := &graphql.Result{
		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.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: unionInterfaceTestSchema,
		AST:    ast,
		Root:   john,
	}
	result := testutil.TestExecute(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 TestDirectivesWorksOnInlineFragmentUnlessTrueIncludesInlineFragment(t *testing.T) {
	query := `
        query Q {
          a
          ... on TestType @skip(if: true) {
            b
          }
        }
        fragment Frag on TestType {
          b
        }
	`
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"a": "a",
		},
	}
	result := executeDirectivesTestQuery(t, query)
	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 TestVisitor_AllowsForEditingOnEnter(t *testing.T) {

	query := `{ a, b, c { a, b, c } }`
	astDoc := parse(t, query)

	expectedQuery := `{ a,    c { a,    c } }`
	expectedAST := parse(t, expectedQuery)
	v := &visitor.VisitorOptions{
		Enter: func(p visitor.VisitFuncParams) (string, interface{}) {
			switch node := p.Node.(type) {
			case map[string]interface{}:
				if getMapValueString(node, "Kind") == "Field" && getMapValueString(node, "Name.Value") == "b" {
					return visitor.ActionUpdate, nil
				}
			}
			return visitor.ActionNoChange, nil
		},
	}

	editedAst := visitor.Visit(astDoc, v, nil)
	if !reflect.DeepEqual(ASTToJSON(t, expectedAST), editedAst) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expectedAST, editedAst))
	}

}

func TestVariables_ObjectsAndNullability_UsingVariables_ExecutesWithComplexScalarInput(t *testing.T) {
	params := map[string]interface{}{
		"input": map[string]interface{}{
			"c": "foo",
			"d": "SerializedValue",
		},
	}
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"fieldWithObjectInput": `{"c":"foo","d":"DeserializedValue"}`,
		},
	}

	ast := testVariables_ObjectsAndNullability_UsingVariables_GetAST(t)

	// execute
	ep := graphql.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
		Args:   params,
	}
	result := testutil.TestExecute(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_NonNullableScalars_AllowsNonNullableInputsToBeSetToAValueDirectly(t *testing.T) {
	doc := `
      {
        fieldWithNonNullableStringInput(input: "a")
      }
	`

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

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

	ast := testutil.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
		Args:   params,
	}
	result := testutil.TestExecute(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_ObjectsAndNullability_UsingVariables_UsesDefaultValueWhenNotProvided(t *testing.T) {

	doc := `
	  query q($input: TestInputObject = {a: "foo", b: ["bar"], c: "baz"}) {
		fieldWithObjectInput(input: $input)
	  }
	`
	expected := &graphql.Result{
		Data: map[string]interface{}{
			"fieldWithObjectInput": `{"a":"foo","b":["bar"],"c":"baz"}`,
		},
	}

	withDefaultsAST := testutil.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    withDefaultsAST,
	}
	result := testutil.TestExecute(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_NonNullableScalars_PassesAlongNullForNonNullableInputsIfExplicitlySetInTheQuery(t *testing.T) {
	doc := `
      {
        fieldWithNonNullableStringInput
      }
	`

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

	expected := &graphql.Result{
		Data: map[string]interface{}{
			"fieldWithNonNullableStringInput": nil,
		},
	}

	ast := testutil.TestParse(t, doc)

	// execute
	ep := graphql.ExecuteParams{
		Schema: variablesTestSchema,
		AST:    ast,
		Args:   params,
	}
	result := testutil.TestExecute(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))
	}
}