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api_test.go
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api_test.go
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package gochimp3
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"os"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
var responder = func(w http.ResponseWriter, r *http.Request) {}
var testServer = "http://localhost:9999"
var delegate func(http.ResponseWriter, *http.Request)
func fatalIf(t *testing.T, err error) {
if err != nil {
t.Fatalf("Shouldn't have gotten an error %s", err)
}
}
func TestMain(m *testing.M) {
http.HandleFunc("/somewhere", func(w http.ResponseWriter, r *http.Request) {
delegate(w, r)
})
go http.ListenAndServe(":9999", nil)
os.Exit(m.Run())
}
func testAPI() *API {
api := New("apikey")
api.endpoint = testServer
api.Debug = true
return api
}
func TestGoodGet(t *testing.T) {
expected := map[string]interface{}{
"one": "thing",
"two": "thing",
}
delegate = func(w http.ResponseWriter, r *http.Request) {
// check the headers
assert.Equal(t, "application/json", r.Header.Get("Content-Type"))
// check auth
_, pass, ok := r.BasicAuth()
assert.Equal(t, "apikey", pass)
assert.True(t, ok)
// check the query params
assert.Empty(t, r.URL.Query())
// check we sent an empty body
defer r.Body.Close()
body, err := ioutil.ReadAll(r.Body)
fatalIf(t, err)
assert.Equal(t, 0, len(body))
// return something
data, _ := json.Marshal(expected)
fmt.Fprintf(w, string(data))
}
api := testAPI()
actual := make(map[string]interface{})
err := api.Request("GET", "/somewhere", nil, nil, &actual)
fatalIf(t, err)
assert.EqualValues(t, expected, actual)
}
func TestGetWithParams(t *testing.T) {
expected := map[string]interface{}{
"one": "thing",
"two": "thing",
}
params := BasicQueryParams{
Fields: []string{"marp", "parm"},
ExcludeFields: []string{"red", "fish"},
}
delegate = func(w http.ResponseWriter, r *http.Request) {
// check the query params
for k, v := range r.URL.Query() {
switch {
case k == "fields":
assert.EqualValues(t, []string{strings.Join(params.Fields, ",")}, v)
case k == "exclude_fields":
assert.EqualValues(t, []string{strings.Join(params.ExcludeFields, ",")}, v)
default:
t.Fail()
}
}
data, _ := json.Marshal(expected)
fmt.Fprintf(w, string(data))
}
api := testAPI()
actual := make(map[string]interface{})
err := api.Request("GET", "/somewhere", ¶ms, nil, &actual)
fatalIf(t, err)
assert.EqualValues(t, expected, actual)
}
func TestGetEmptyResponse(t *testing.T) {
delegate = func(w http.ResponseWriter, r *http.Request) {}
api := testAPI()
err := api.Request("GET", "/somewhere", nil, nil, nil)
fatalIf(t, err)
result, err := api.RequestOk("GET", "/somewhere")
fatalIf(t, err)
assert.True(t, result)
}
func TestGetWithBody(t *testing.T) {
s := struct {
A string
B string
}{"string1", "string2"}
delegate = func(w http.ResponseWriter, r *http.Request) {
assert.Equal(t, "POST", r.Method)
defer r.Body.Close()
body, err := ioutil.ReadAll(r.Body)
fatalIf(t, err)
parsed := struct {
A string
B string
}{}
err = json.Unmarshal(body, &parsed)
fatalIf(t, err)
assert.EqualValues(t, s, parsed)
}
api := testAPI()
err := api.Request("POST", "/somewhere", nil, &s, nil)
fatalIf(t, err)
}
func TestGetWithNon200Response(t *testing.T) {
delegate = func(w http.ResponseWriter, r *http.Request) {
data, err := json.Marshal(&APIError{
Type: "some type",
Title: "a title",
Status: 500,
Detail: "you done screwed up",
Instance: "123123123",
})
fatalIf(t, err)
http.Error(w, string(data), 500)
}
api := testAPI()
ok, err := api.RequestOk("GET", "/somewhere")
assert.False(t, ok)
assert.NotNil(t, err)
}
func TestMissingEndpoint(t *testing.T) {
api := testAPI()
ok, err := api.RequestOk("GET", "/nowhere")
assert.False(t, ok)
assert.NotNil(t, err)
}