From 862db45587725916a784150585df7d725172422b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mislav=20Marohni=C4=87?= <mislav@github.com>
Date: Tue, 29 Oct 2019 21:19:34 +0100
Subject: [PATCH] Add mising files

---
 api/client_test.go | 51 ++++++++++++++++++++++++++++++++++++++++++++++
 api/fake_http.go   | 37 +++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 api/client_test.go
 create mode 100644 api/fake_http.go

diff --git a/api/client_test.go b/api/client_test.go
new file mode 100644
index 000000000..4d7c64917
--- /dev/null
+++ b/api/client_test.go
@@ -0,0 +1,51 @@
+package api
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"reflect"
+	"testing"
+)
+
+func eq(t *testing.T, got interface{}, expected interface{}) {
+	t.Helper()
+	if !reflect.DeepEqual(got, expected) {
+		t.Errorf("expected: %v, got: %v", expected, got)
+	}
+}
+
+func TestGraphQL(t *testing.T) {
+	http := &FakeHTTP{}
+	client := NewClient(
+		ReplaceTripper(http),
+		AddHeader("Authorization", "token OTOKEN"),
+	)
+
+	vars := map[string]interface{}{"name": "Mona"}
+	response := struct {
+		Viewer struct {
+			Login string
+		}
+	}{}
+
+	http.StubResponse(200, bytes.NewBufferString(`{"data":{"viewer":{"login":"hubot"}}}`))
+	err := client.GraphQL("QUERY", vars, &response)
+	eq(t, err, nil)
+	eq(t, response.Viewer.Login, "hubot")
+
+	req := http.Requests[0]
+	reqBody, _ := ioutil.ReadAll(req.Body)
+	eq(t, string(reqBody), `{"query":"QUERY","variables":{"name":"Mona"}}`)
+	eq(t, req.Header.Get("Authorization"), "token OTOKEN")
+}
+
+func TestGraphQLError(t *testing.T) {
+	http := &FakeHTTP{}
+	client := NewClient(ReplaceTripper(http))
+
+	response := struct{}{}
+	http.StubResponse(200, bytes.NewBufferString(`{"errors":[{"message":"OH NO"}]}`))
+	err := client.GraphQL("", nil, &response)
+	eq(t, err, fmt.Errorf("graphql error: 'OH NO'"))
+}
diff --git a/api/fake_http.go b/api/fake_http.go
new file mode 100644
index 000000000..96e38aab3
--- /dev/null
+++ b/api/fake_http.go
@@ -0,0 +1,37 @@
+package api
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+)
+
+// FakeHTTP provides a mechanism by which to stub HTTP responses through
+type FakeHTTP struct {
+	// Requests stores references to sequental requests that RoundTrip has received
+	Requests      []*http.Request
+	count         int
+	responseStubs []*http.Response
+}
+
+// StubResponse pre-records an HTTP response
+func (f *FakeHTTP) StubResponse(status int, body io.Reader) {
+	resp := &http.Response{
+		StatusCode: status,
+		Body:       ioutil.NopCloser(body),
+	}
+	f.responseStubs = append(f.responseStubs, resp)
+}
+
+// RoundTrip satisfies http.RoundTripper
+func (f *FakeHTTP) RoundTrip(req *http.Request) (*http.Response, error) {
+	if len(f.responseStubs) <= f.count {
+		return nil, fmt.Errorf("FakeHTTP: missing response stub for request %d", f.count)
+	}
+	resp := f.responseStubs[f.count]
+	f.count++
+	resp.Request = req
+	f.Requests = append(f.Requests, req)
+	return resp, nil
+}