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package graphql_test
import (
"context"
"io"
"net/http"
"net/http/httptest"
"testing"
graphql "github.com/cli/shurcooL-graphql"
)
func TestClient_Query_partialDataWithErrorResponse(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("/graphql", func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-Type", "application/json")
mustWrite(w, `{
"data": {
"node1": {
"id": "MDEyOklzc3VlQ29tbWVudDE2OTQwNzk0Ng=="
},
"node2": null
},
"errors": [
{
"message": "Could not resolve to a node with the global id of 'NotExist'",
"type": "NOT_FOUND",
"path": [
"node2"
],
"locations": [
{
"line": 10,
"column": 4
}
]
}
]
}`)
})
client := graphql.NewClient("/graphql", &http.Client{Transport: localRoundTripper{handler: mux}})
var q struct {
Node1 *struct {
ID graphql.ID
} `graphql:"node1: node(id: \"MDEyOklzc3VlQ29tbWVudDE2OTQwNzk0Ng==\")"`
Node2 *struct {
ID graphql.ID
} `graphql:"node2: node(id: \"NotExist\")"`
}
err := client.Query(context.Background(), &q, nil)
if err == nil {
t.Fatal("got error: nil, want: non-nil")
}
if got, want := err.Error(), "Message: Could not resolve to a node with the global id of 'NotExist', Locations: [{Line:10 Column:4}]"; got != want {
t.Errorf("got error: %v, want: %v", got, want)
}
if q.Node1 == nil || q.Node1.ID != "MDEyOklzc3VlQ29tbWVudDE2OTQwNzk0Ng==" {
t.Errorf("got wrong q.Node1: %v", q.Node1)
}
if q.Node2 != nil {
t.Errorf("got non-nil q.Node2: %v, want: nil", *q.Node2)
}
}
func TestClient_Query_noDataWithErrorResponse(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("/graphql", func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-Type", "application/json")
mustWrite(w, `{
"errors": [
{
"message": "Field 'user' is missing required arguments: login",
"locations": [
{
"line": 7,
"column": 3
}
]
}
]
}`)
})
client := graphql.NewClient("/graphql", &http.Client{Transport: localRoundTripper{handler: mux}})
var q struct {
User struct {
Name graphql.String
}
}
err := client.Query(context.Background(), &q, nil)
if err == nil {
t.Fatal("got error: nil, want: non-nil")
}
if got, want := err.Error(), "Message: Field 'user' is missing required arguments: login, Locations: [{Line:7 Column:3}]"; got != want {
t.Errorf("got error: %v, want: %v", got, want)
}
if q.User.Name != "" {
t.Errorf("got non-empty q.User.Name: %v", q.User.Name)
}
}
func TestClient_Query_errorStatusCode(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("/graphql", func(w http.ResponseWriter, req *http.Request) {
http.Error(w, "important message", http.StatusInternalServerError)
})
client := graphql.NewClient("/graphql", &http.Client{Transport: localRoundTripper{handler: mux}})
var q struct {
User struct {
Name graphql.String
}
}
err := client.Query(context.Background(), &q, nil)
if err == nil {
t.Fatal("got error: nil, want: non-nil")
}
if got, want := err.Error(), `non-200 OK status code: 500 Internal Server Error body: "important message\n"`; got != want {
t.Errorf("got error: %v, want: %v", got, want)
}
if q.User.Name != "" {
t.Errorf("got non-empty q.User.Name: %v", q.User.Name)
}
}
// Test that an empty (but non-nil) variables map is
// handled no differently than a nil variables map.
func TestClient_Query_emptyVariables(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("/graphql", func(w http.ResponseWriter, req *http.Request) {
body := mustRead(req.Body)
if got, want := body, `{"query":"{user{name}}"}`+"\n"; got != want {
t.Errorf("got body: %v, want %v", got, want)
}
w.Header().Set("Content-Type", "application/json")
mustWrite(w, `{"data": {"user": {"name": "Gopher"}}}`)
})
client := graphql.NewClient("/graphql", &http.Client{Transport: localRoundTripper{handler: mux}})
var q struct {
User struct {
Name string
}
}
err := client.Query(context.Background(), &q, map[string]any{})
if err != nil {
t.Fatal(err)
}
if got, want := q.User.Name, "Gopher"; got != want {
t.Errorf("got q.User.Name: %q, want: %q", got, want)
}
}
// localRoundTripper is an http.RoundTripper that executes HTTP transactions
// by using handler directly, instead of going over an HTTP connection.
type localRoundTripper struct {
handler http.Handler
}
func (l localRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
w := httptest.NewRecorder()
l.handler.ServeHTTP(w, req)
return w.Result(), nil
}
func mustRead(r io.Reader) string {
b, err := io.ReadAll(r)
if err != nil {
panic(err)
}
return string(b)
}
func mustWrite(w io.Writer, s string) {
_, err := io.WriteString(w, s)
if err != nil {
panic(err)
}
}
|
