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mutations_test.go
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mutations_test.go
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package graphql_test
import (
"reflect"
"testing"
"github.com/equinux/graphql"
"github.com/equinux/graphql/gqlerrors"
"github.com/equinux/graphql/language/location"
"github.com/equinux/graphql/testutil"
)
// testNumberHolder maps to numberHolderType
type testNumberHolder struct {
TheNumber int `json:"theNumber"` // map field to `theNumber` so it can be resolve by the default ResolveFn
}
type testRoot struct {
NumberHolder *testNumberHolder
}
func newTestRoot(originalNumber int) *testRoot {
return &testRoot{
NumberHolder: &testNumberHolder{originalNumber},
}
}
func (r *testRoot) ImmediatelyChangeTheNumber(newNumber int) *testNumberHolder {
r.NumberHolder.TheNumber = newNumber
return r.NumberHolder
}
func (r *testRoot) PromiseToChangeTheNumber(newNumber int) *testNumberHolder {
return r.ImmediatelyChangeTheNumber(newNumber)
}
func (r *testRoot) FailToChangeTheNumber(newNumber int) *testNumberHolder {
panic("Cannot change the number")
}
func (r *testRoot) PromiseAndFailToChangeTheNumber(newNumber int) *testNumberHolder {
panic("Cannot change the number")
}
// numberHolderType creates a mapping to testNumberHolder
var numberHolderType = graphql.NewObject(graphql.ObjectConfig{
Name: "NumberHolder",
Fields: graphql.Fields{
"theNumber": &graphql.Field{
Type: graphql.Int,
},
},
})
var mutationsTestSchema, _ = graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.Fields{
"numberHolder": &graphql.Field{
Type: numberHolderType,
},
},
}),
Mutation: graphql.NewObject(graphql.ObjectConfig{
Name: "Mutation",
Fields: graphql.Fields{
"immediatelyChangeTheNumber": &graphql.Field{
Type: numberHolderType,
Args: graphql.FieldConfigArgument{
"newNumber": &graphql.ArgumentConfig{
Type: graphql.Int,
},
},
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
newNumber := 0
obj, _ := p.Source.(*testRoot)
newNumber, _ = p.Args["newNumber"].(int)
return obj.ImmediatelyChangeTheNumber(newNumber), nil
},
},
"promiseToChangeTheNumber": &graphql.Field{
Type: numberHolderType,
Args: graphql.FieldConfigArgument{
"newNumber": &graphql.ArgumentConfig{
Type: graphql.Int,
},
},
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
newNumber := 0
obj, _ := p.Source.(*testRoot)
newNumber, _ = p.Args["newNumber"].(int)
return obj.PromiseToChangeTheNumber(newNumber), nil
},
},
"failToChangeTheNumber": &graphql.Field{
Type: numberHolderType,
Args: graphql.FieldConfigArgument{
"newNumber": &graphql.ArgumentConfig{
Type: graphql.Int,
},
},
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
newNumber := 0
obj, _ := p.Source.(*testRoot)
newNumber, _ = p.Args["newNumber"].(int)
return obj.FailToChangeTheNumber(newNumber), nil
},
},
"promiseAndFailToChangeTheNumber": &graphql.Field{
Type: numberHolderType,
Args: graphql.FieldConfigArgument{
"newNumber": &graphql.ArgumentConfig{
Type: graphql.Int,
},
},
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
newNumber := 0
obj, _ := p.Source.(*testRoot)
newNumber, _ = p.Args["newNumber"].(int)
return obj.PromiseAndFailToChangeTheNumber(newNumber), nil
},
},
},
}),
})
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 TestMutations_EvaluatesMutationsCorrectlyInThePresenceOfAFailedMutation(t *testing.T) {
root := newTestRoot(6)
doc := `mutation M {
first: immediatelyChangeTheNumber(newNumber: 1) {
theNumber
},
second: promiseToChangeTheNumber(newNumber: 2) {
theNumber
},
third: failToChangeTheNumber(newNumber: 3) {
theNumber
}
fourth: promiseToChangeTheNumber(newNumber: 4) {
theNumber
},
fifth: immediatelyChangeTheNumber(newNumber: 5) {
theNumber
}
sixth: promiseAndFailToChangeTheNumber(newNumber: 6) {
theNumber
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"first": map[string]interface{}{
"theNumber": 1,
},
"second": map[string]interface{}{
"theNumber": 2,
},
"third": nil,
"fourth": map[string]interface{}{
"theNumber": 4,
},
"fifth": map[string]interface{}{
"theNumber": 5,
},
"sixth": nil,
},
Errors: []gqlerrors.FormattedError{
{
Message: `Cannot change the number`,
Locations: []location.SourceLocation{
{Line: 8, Column: 7},
},
},
{
Message: `Cannot change the number`,
Locations: []location.SourceLocation{
{Line: 17, Column: 7},
},
},
},
}
// 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))
}
t.Skipf("Testing equality for slice of errors in results")
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}