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package jttp_test
import (
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/stretchr/testify/require"
"git.samanthony.xyz/jttp"
)
type Person struct {
Name string
Age int
}
func do(t *testing.T, handler http.HandlerFunc, method string, wantStatus int) (Person, error) {
t.Helper()
srv := httptest.NewServer(handler)
defer srv.Close()
url, err := url.Parse(srv.URL)
require.NoError(t, err)
clnt := jttp.NewClient(srv.Client())
req := &http.Request{Method: method, URL: url}
var person Person
err = clnt.Do(req, wantStatus, &person)
return person, err
}
func TestDo(t *testing.T) {
handler := func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, `{"name": "Alice", "age": 123}`)
}
alice, err := do(t, handler, http.MethodGet, http.StatusOK)
require.NoError(t, err)
require.Equal(t, Person{"Alice", 123}, alice)
}
func TestDoReqFail(t *testing.T) {
clnt := jttp.NewClient(&http.Client{})
req := &http.Request{}
var alice Person
err := clnt.Do(req, http.StatusOK, &alice)
require.Error(t, err)
require.Contains(t, err.Error(), "http: nil Request.URL")
}
func TestDoBadStatus(t *testing.T) {
handler := func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(201)
fmt.Fprint(w, `{"name": "Alice", "age": 123}`)
}
_, err := do(t, handler, http.MethodGet, 200)
require.Error(t, err)
require.Contains(t, err.Error(), "jttp")
require.Contains(t, err.Error(), "201 Created (expected 200)")
}
func TestDoDecodeFail(t *testing.T) {
handler := func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, `{"name": "Alice", "age": "notanumber"}`)
}
_, err := do(t, handler, http.MethodGet, http.StatusOK)
require.Error(t, err)
require.Contains(t, err.Error(), "json")
require.Contains(t, err.Error(), "Person.Age")
}
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