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extract shared handler test server stubs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| package testserver | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/99designs/gqlgen/graphql" | ||
| "github.com/99designs/gqlgen/graphql/handler" | ||
| "github.com/vektah/gqlparser" | ||
| "github.com/vektah/gqlparser/ast" | ||
| ) | ||
|
|
||
| // New provides a server for use in tests that isn't relying on generated code. It isnt a perfect reproduction of | ||
| // a generated server, but it aims to be good enough to test the handler package without relying on codegen. | ||
| func New() *TestServer { | ||
| next := make(chan struct{}) | ||
| now := time.Unix(0, 0) | ||
|
|
||
| graphql.Now = func() time.Time { | ||
| defer func() { | ||
| now = now.Add(100 * time.Nanosecond) | ||
| }() | ||
| return now | ||
| } | ||
|
|
||
| schema := gqlparser.MustLoadSchema(&ast.Source{Input: ` | ||
| schema { query: Query } | ||
| type Query { | ||
| name: String! | ||
| find(id: Int!): String! | ||
| } | ||
| type Mutation { | ||
| name: String! | ||
| } | ||
| type Subscription { | ||
| name: String! | ||
| } | ||
| `}) | ||
|
|
||
| es := &graphql.ExecutableSchemaMock{ | ||
| QueryFunc: func(ctx context.Context, op *ast.OperationDefinition) *graphql.Response { | ||
| // Field execution happens inside the generated code, lets simulate some of it. | ||
| ctx = graphql.WithResolverContext(ctx, &graphql.ResolverContext{ | ||
| Object: "Query", | ||
| Field: graphql.CollectedField{ | ||
| Field: &ast.Field{ | ||
| Name: "name", | ||
| Alias: "name", | ||
| Definition: schema.Types["Query"].Fields.ForName("name"), | ||
| }, | ||
| }, | ||
| }) | ||
| res, err := graphql.GetRequestContext(ctx).ResolverMiddleware(ctx, func(ctx context.Context) (interface{}, error) { | ||
| return &graphql.Response{Data: []byte(`{"name":"test"}`)}, nil | ||
| }) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| return res.(*graphql.Response) | ||
| }, | ||
| MutationFunc: func(ctx context.Context, op *ast.OperationDefinition) *graphql.Response { | ||
| return graphql.ErrorResponse(ctx, "mutations are not supported") | ||
| }, | ||
| SubscriptionFunc: func(ctx context.Context, op *ast.OperationDefinition) func() *graphql.Response { | ||
| return func() *graphql.Response { | ||
| select { | ||
| case <-ctx.Done(): | ||
| return nil | ||
| case <-next: | ||
| return &graphql.Response{ | ||
| Data: []byte(`{"name":"test"}`), | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| SchemaFunc: func() *ast.Schema { | ||
| return schema | ||
| }, | ||
| } | ||
| return &TestServer{ | ||
| Server: handler.New(es), | ||
| next: next, | ||
| } | ||
| } | ||
|
|
||
| type TestServer struct { | ||
| *handler.Server | ||
| next chan struct{} | ||
| } | ||
|
|
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| func (s *TestServer) SendNextSubscriptionMessage() { | ||
| select { | ||
| case s.next <- struct{}{}: | ||
| case <-time.After(1 * time.Second): | ||
| fmt.Println("WARNING: no active subscription") | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| package transport_test | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "testing" | ||
|
|
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| "github.com/99designs/gqlgen/graphql/handler/testserver" | ||
| "github.com/99designs/gqlgen/graphql/handler/transport" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
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| func TestGET(t *testing.T) { | ||
| h := testserver.New() | ||
| h.AddTransport(transport.GET{}) | ||
|
|
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| t.Run("success", func(t *testing.T) { | ||
| resp := doRequest(h, "GET", "/graphql?query={name}", ``) | ||
| assert.Equal(t, http.StatusOK, resp.Code, resp.Body.String()) | ||
| assert.Equal(t, `{"data":{"name":"test"}}`, resp.Body.String()) | ||
| }) | ||
|
|
||
| t.Run("decode failure", func(t *testing.T) { | ||
| resp := doRequest(h, "GET", "/graphql?query={name}&variables=notjson", "") | ||
| assert.Equal(t, http.StatusBadRequest, resp.Code, resp.Body.String()) | ||
| assert.Equal(t, `{"errors":[{"message":"variables could not be decoded"}],"data":null}`, resp.Body.String()) | ||
| }) | ||
|
|
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| t.Run("invalid variable", func(t *testing.T) { | ||
| resp := doRequest(h, "GET", `/graphql?query=query($id:Int!){find(id:$id)}&variables={"id":false}`, "") | ||
| assert.Equal(t, http.StatusUnprocessableEntity, resp.Code, resp.Body.String()) | ||
| assert.Equal(t, `{"errors":[{"message":"cannot use bool as Int","path":["variable","id"]}],"data":null}`, resp.Body.String()) | ||
| }) | ||
|
|
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| t.Run("parse failure", func(t *testing.T) { | ||
| resp := doRequest(h, "GET", "/graphql?query=!", "") | ||
| assert.Equal(t, http.StatusUnprocessableEntity, resp.Code, resp.Body.String()) | ||
| assert.Equal(t, `{"errors":[{"message":"Unexpected !","locations":[{"line":1,"column":1}]}],"data":null}`, resp.Body.String()) | ||
| }) | ||
|
|
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| t.Run("no mutations", func(t *testing.T) { | ||
| resp := doRequest(h, "GET", "/graphql?query=mutation{name}", "") | ||
| assert.Equal(t, http.StatusNotAcceptable, resp.Code, resp.Body.String()) | ||
| assert.Equal(t, `{"errors":[{"message":"GET requests only allow query operations"}],"data":null}`, resp.Body.String()) | ||
| }) | ||
| } |
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