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datasourceinput_test.go
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datasourceinput_test.go
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package postprocess
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/jensneuse/graphql-go-tools/pkg/engine/plan"
"github.com/jensneuse/graphql-go-tools/pkg/engine/resolve"
)
func TestDataSourceInput_Process(t *testing.T) {
pre := &plan.SynchronousResponsePlan{
Response: &resolve.GraphQLResponse{
Data: &resolve.Object{
Fetch: &resolve.SingleFetch{
BufferId: 0,
Input: `{"method":"POST","url":"http://localhost:4001/$$0$$","body":{"query":"{me {id username}}"}}`,
DataSource: nil,
Variables: []resolve.Variable{
&resolve.HeaderVariable{
Path: []string{"Authorization"},
},
},
},
Fields: []*resolve.Field{
{
HasBuffer: true,
BufferID: 0,
Name: []byte("me"),
Value: &resolve.Object{
Fetch: &resolve.SingleFetch{
BufferId: 1,
Input: `{"method":"POST","url":"http://localhost:4002","body":{"query":"query($representations: [_Any!]!){_entities(representations: $representations){... on User {reviews {body product {upc __typename}}}}}","variables":{"representations":[{"id":"$$0$$","__typename":"User"}]}},"extract_entities":true}`,
Variables: resolve.NewVariables(
&resolve.ObjectVariable{
Path: []string{"id"},
},
),
DataSource: nil,
},
Path: []string{"me"},
Nullable: true,
Fields: []*resolve.Field{
{
Name: []byte("id"),
Value: &resolve.String{
Path: []string{"id"},
},
},
{
Name: []byte("username"),
Value: &resolve.String{
Path: []string{"username"},
},
},
{
HasBuffer: true,
BufferID: 1,
Name: []byte("reviews"),
Value: &resolve.Array{
Path: []string{"reviews"},
Nullable: true,
Item: &resolve.Object{
Nullable: true,
Fields: []*resolve.Field{
{
Name: []byte("body"),
Value: &resolve.String{
Path: []string{"body"},
},
},
{
Name: []byte("product"),
Value: &resolve.Object{
Path: []string{"product"},
Fetch: &resolve.SingleFetch{
BufferId: 2,
Input: `{"method":"POST","url":"http://localhost:4003","body":{"query":"query($representations: [_Any!]!){_entities(representations: $representations){... on Product {name}}}","variables":{"representations":[{"upc":"$$0$$","__typename":"Product"}]}},"extract_entities":true}`,
DataSource: nil,
Variables: resolve.NewVariables(
&resolve.ObjectVariable{
Path: []string{"upc"},
},
),
},
Fields: []*resolve.Field{
{
HasBuffer: true,
BufferID: 2,
Name: []byte("name"),
Value: &resolve.String{
Path: []string{"name"},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
}
expected := &plan.SynchronousResponsePlan{
Response: &resolve.GraphQLResponse{
Data: &resolve.Object{
Fetch: &resolve.SingleFetch{
BufferId: 0,
InputTemplate: resolve.InputTemplate{
Segments: []resolve.TemplateSegment{
{
Data: []byte(`{"method":"POST","url":"http://localhost:4001/`),
SegmentType: resolve.StaticSegmentType,
},
{
SegmentType: resolve.VariableSegmentType,
VariableSource: resolve.VariableSourceRequestHeader,
VariableSourcePath: []string{"Authorization"},
},
{
Data: []byte(`","body":{"query":"{me {id username}}"}}`),
SegmentType: resolve.StaticSegmentType,
},
},
},
DataSource: nil,
},
Fields: []*resolve.Field{
{
HasBuffer: true,
BufferID: 0,
Name: []byte("me"),
Value: &resolve.Object{
Fetch: &resolve.SingleFetch{
BufferId: 1,
InputTemplate: resolve.InputTemplate{
Segments: []resolve.TemplateSegment{
{
Data: []byte(`{"method":"POST","url":"http://localhost:4002","body":{"query":"query($representations: [_Any!]!){_entities(representations: $representations){... on User {reviews {body product {upc __typename}}}}}","variables":{"representations":[{"id":"`),
SegmentType: resolve.StaticSegmentType,
},
{
SegmentType: resolve.VariableSegmentType,
VariableSource: resolve.VariableSourceObject,
VariableSourcePath: []string{"id"},
},
{
Data: []byte(`","__typename":"User"}]}},"extract_entities":true}`),
SegmentType: resolve.StaticSegmentType,
},
},
},
DataSource: nil,
},
Path: []string{"me"},
Nullable: true,
Fields: []*resolve.Field{
{
Name: []byte("id"),
Value: &resolve.String{
Path: []string{"id"},
},
},
{
Name: []byte("username"),
Value: &resolve.String{
Path: []string{"username"},
},
},
{
HasBuffer: true,
BufferID: 1,
Name: []byte("reviews"),
Value: &resolve.Array{
Path: []string{"reviews"},
Nullable: true,
Item: &resolve.Object{
Nullable: true,
Fields: []*resolve.Field{
{
Name: []byte("body"),
Value: &resolve.String{
Path: []string{"body"},
},
},
{
Name: []byte("product"),
Value: &resolve.Object{
Path: []string{"product"},
Fetch: &resolve.SingleFetch{
BufferId: 2,
InputTemplate: resolve.InputTemplate{
Segments: []resolve.TemplateSegment{
{
Data: []byte(`{"method":"POST","url":"http://localhost:4003","body":{"query":"query($representations: [_Any!]!){_entities(representations: $representations){... on Product {name}}}","variables":{"representations":[{"upc":"`),
SegmentType: resolve.StaticSegmentType,
},
{
SegmentType: resolve.VariableSegmentType,
VariableSource: resolve.VariableSourceObject,
VariableSourcePath: []string{"upc"},
},
{
Data: []byte(`","__typename":"Product"}]}},"extract_entities":true}`),
SegmentType: resolve.StaticSegmentType,
},
},
},
},
Fields: []*resolve.Field{
{
HasBuffer: true,
BufferID: 2,
Name: []byte("name"),
Value: &resolve.String{
Path: []string{"name"},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
}
processor := &ProcessDataSource{}
actual := processor.Process(pre)
assert.Equal(t, expected, actual)
}
func TestDataSourceInput_Subscription_Process(t *testing.T) {
pre := &plan.SubscriptionResponsePlan{
Response: &resolve.GraphQLSubscription{
Trigger: resolve.GraphQLSubscriptionTrigger{
Input: []byte(`{"method":"POST","url":"http://localhost:4001/$$0$$","body":{"query":"{me {id username}}"}}`),
Variables: []resolve.Variable{
&resolve.HeaderVariable{
Path: []string{"Authorization"},
},
},
},
Response: &resolve.GraphQLResponse{},
},
}
expected := &plan.SubscriptionResponsePlan{
Response: &resolve.GraphQLSubscription{
Trigger: resolve.GraphQLSubscriptionTrigger{
InputTemplate: resolve.InputTemplate{
Segments: []resolve.TemplateSegment{
{
Data: []byte(`{"method":"POST","url":"http://localhost:4001/`),
SegmentType: resolve.StaticSegmentType,
},
{
SegmentType: resolve.VariableSegmentType,
VariableSource: resolve.VariableSourceRequestHeader,
VariableSourcePath: []string{"Authorization"},
},
{
Data: []byte(`","body":{"query":"{me {id username}}"}}`),
SegmentType: resolve.StaticSegmentType,
},
},
},
},
Response: &resolve.GraphQLResponse{},
},
}
processor := &ProcessDataSource{}
actual := processor.Process(pre)
assert.Equal(t, expected, actual)
}