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package graphql_test
import (
"context"
"errors"
"fmt"
"reflect"
"testing"
"github.com/tailor-inc/graphql"
"github.com/tailor-inc/graphql/gqlerrors"
"github.com/tailor-inc/graphql/testutil"
)
func tinit(t *testing.T) graphql.Schema {
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Type",
Fields: graphql.Fields{
"a": &graphql.Field{
Type: graphql.String,
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
return "foo", nil
},
},
"erred": &graphql.Field{
Type: graphql.String,
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
return "", errors.New("ooops")
},
},
},
}),
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}
return schema
}
func TestExtensionInitPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.initFn = func(ctx context.Context, p *graphql.Params) context.Context {
if true {
panic(errors.New("test error"))
}
return ctx
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: nil,
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.Init: %v", ext.Name(), errors.New("test error"))),
},
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestExtensionParseDidStartPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.parseDidStartFn = func(ctx context.Context) (context.Context, graphql.ParseFinishFunc) {
if true {
panic(errors.New("test error"))
}
return ctx, func(err error) {
}
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: nil,
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.ParseDidStart: %v", ext.Name(), errors.New("test error"))),
},
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestExtensionParseFinishFuncPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.parseDidStartFn = func(ctx context.Context) (context.Context, graphql.ParseFinishFunc) {
return ctx, func(err error) {
panic(errors.New("test error"))
}
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: nil,
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.ParseFinishFunc: %v", ext.Name(), errors.New("test error"))),
},
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestExtensionValidationDidStartPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.validationDidStartFn = func(ctx context.Context) (context.Context, graphql.ValidationFinishFunc) {
if true {
panic(errors.New("test error"))
}
return ctx, func([]gqlerrors.FormattedError) {
}
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: nil,
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.ValidationDidStart: %v", ext.Name(), errors.New("test error"))),
},
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestExtensionValidationFinishFuncPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.validationDidStartFn = func(ctx context.Context) (context.Context, graphql.ValidationFinishFunc) {
return ctx, func([]gqlerrors.FormattedError) {
panic(errors.New("test error"))
}
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: nil,
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.ValidationFinishFunc: %v", ext.Name(), errors.New("test error"))),
},
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestExtensionExecutionDidStartPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.executionDidStartFn = func(ctx context.Context) (context.Context, graphql.ExecutionFinishFunc) {
if true {
panic(errors.New("test error"))
}
return ctx, func(r *graphql.Result) {
}
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: nil,
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.ExecutionDidStart: %v", ext.Name(), errors.New("test error"))),
},
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestExtensionExecutionFinishFuncPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.executionDidStartFn = func(ctx context.Context) (context.Context, graphql.ExecutionFinishFunc) {
return ctx, func(r *graphql.Result) {
panic(errors.New("test error"))
}
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: map[string]interface{}{
"a": "foo",
},
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.ExecutionFinishFunc: %v", ext.Name(), errors.New("test error"))),
},
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestExtensionResolveFieldDidStartPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.resolveFieldDidStartFn = func(ctx context.Context, i *graphql.ResolveInfo) (context.Context, graphql.ResolveFieldFinishFunc) {
if true {
panic(errors.New("test error"))
}
return ctx, func(v interface{}, err error) {
}
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: map[string]interface{}{
"a": "foo",
},
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.ResolveFieldDidStart: %v", ext.Name(), errors.New("test error"))),
},
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestExtensionResolveFieldFinishFuncPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.resolveFieldDidStartFn = func(ctx context.Context, i *graphql.ResolveInfo) (context.Context, graphql.ResolveFieldFinishFunc) {
return ctx, func(v interface{}, err error) {
panic(errors.New("test error"))
}
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: map[string]interface{}{
"a": "foo",
},
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.ResolveFieldFinishFunc: %v", ext.Name(), errors.New("test error"))),
},
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestExtensionResolveFieldFinishFuncAfterError(t *testing.T) {
var fnErrs int
ext := newtestExt("testExt")
ext.resolveFieldDidStartFn = func(ctx context.Context, i *graphql.ResolveInfo) (context.Context, graphql.ResolveFieldFinishFunc) {
return ctx, func(v interface{}, err error) {
if err != nil {
fnErrs++
}
}
}
schema := tinit(t)
query := `query Example { erred }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
if resErrs := len(result.Errors); resErrs != 1 {
t.Errorf("Incorrect number of returned result errors: %d", resErrs)
}
if fnErrs != 1 {
t.Errorf("Incorrect number of errors captured: %d", fnErrs)
}
}
func TestExtensionGetResultPanic(t *testing.T) {
ext := newtestExt("testExt")
ext.getResultFn = func(context.Context) interface{} {
if true {
panic(errors.New("test error"))
}
return nil
}
ext.hasResultFn = func() bool {
return true
}
schema := tinit(t)
query := `query Example { a }`
schema.AddExtensions(ext)
result := graphql.Do(graphql.Params{
Schema: schema,
RequestString: query,
})
expected := &graphql.Result{
Data: map[string]interface{}{
"a": "foo",
},
Errors: []gqlerrors.FormattedError{
gqlerrors.FormatError(fmt.Errorf("%s.GetResult: %v", ext.Name(), errors.New("test error"))),
},
Extensions: make(map[string]interface{}),
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func newtestExt(name string) *testExt {
ext := &testExt{
name: name,
}
if ext.initFn == nil {
ext.initFn = func(ctx context.Context, p *graphql.Params) context.Context {
return ctx
}
}
if ext.parseDidStartFn == nil {
ext.parseDidStartFn = func(ctx context.Context) (context.Context, graphql.ParseFinishFunc) {
return ctx, func(err error) {
}
}
}
if ext.validationDidStartFn == nil {
ext.validationDidStartFn = func(ctx context.Context) (context.Context, graphql.ValidationFinishFunc) {
return ctx, func([]gqlerrors.FormattedError) {
}
}
}
if ext.executionDidStartFn == nil {
ext.executionDidStartFn = func(ctx context.Context) (context.Context, graphql.ExecutionFinishFunc) {
return ctx, func(r *graphql.Result) {
}
}
}
if ext.resolveFieldDidStartFn == nil {
ext.resolveFieldDidStartFn = func(ctx context.Context, i *graphql.ResolveInfo) (context.Context, graphql.ResolveFieldFinishFunc) {
return ctx, func(v interface{}, err error) {
}
}
}
if ext.hasResultFn == nil {
ext.hasResultFn = func() bool {
return false
}
}
if ext.getResultFn == nil {
ext.getResultFn = func(context.Context) interface{} {
return nil
}
}
return ext
}
type testExt struct {
name string
initFn func(ctx context.Context, p *graphql.Params) context.Context
hasResultFn func() bool
getResultFn func(context.Context) interface{}
parseDidStartFn func(ctx context.Context) (context.Context, graphql.ParseFinishFunc)
validationDidStartFn func(ctx context.Context) (context.Context, graphql.ValidationFinishFunc)
executionDidStartFn func(ctx context.Context) (context.Context, graphql.ExecutionFinishFunc)
resolveFieldDidStartFn func(ctx context.Context, i *graphql.ResolveInfo) (context.Context, graphql.ResolveFieldFinishFunc)
}
func (t *testExt) Init(ctx context.Context, p *graphql.Params) context.Context {
return t.initFn(ctx, p)
}
func (t *testExt) Name() string {
return t.name
}
func (t *testExt) HasResult() bool {
return t.hasResultFn()
}
func (t *testExt) GetResult(ctx context.Context) interface{} {
return t.getResultFn(ctx)
}
func (t *testExt) ParseDidStart(ctx context.Context) (context.Context, graphql.ParseFinishFunc) {
return t.parseDidStartFn(ctx)
}
func (t *testExt) ValidationDidStart(ctx context.Context) (context.Context, graphql.ValidationFinishFunc) {
return t.validationDidStartFn(ctx)
}
func (t *testExt) ExecutionDidStart(ctx context.Context) (context.Context, graphql.ExecutionFinishFunc) {
return t.executionDidStartFn(ctx)
}
func (t *testExt) ResolveFieldDidStart(ctx context.Context, i *graphql.ResolveInfo) (context.Context, graphql.ResolveFieldFinishFunc) {
return t.resolveFieldDidStartFn(ctx, i)
}