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checkresponse_test.go
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checkresponse_test.go
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package jsonclient
import (
"errors"
"io/ioutil"
"net/http"
"net/url"
"strings"
"testing"
"github.com/stretchr/testify/require"
)
func TestCheckResponse(t *testing.T) {
t.Run("return error with a status code more than 299", func(t *testing.T) {
body := ioutil.NopCloser(strings.NewReader(`{"message":"error"}`))
resp := &http.Response{
StatusCode: 300,
Body: body,
Request: &http.Request{
Method: "METHOD",
URL: &url.URL{Path: "/request-url"},
},
}
err := checkResponse(resp)
require.EqualError(t, err, `METHOD /request-url: 300 - {"message":"error"}`, "error checking response")
var e *HTTPError
require.True(t, errors.As(err, &e))
require.Equal(t, &HTTPError{
StatusCode: 300,
Response: resp,
Err: errors.New("http error"),
Raw: []byte(`{"message":"error"}`),
}, e)
require.True(t, errors.Is(err, ErrHTTP))
})
t.Run("return error with a status code less than 200", func(t *testing.T) {
body := ioutil.NopCloser(strings.NewReader(`{"message":"error"}`))
resp := &http.Response{
StatusCode: 199,
Body: body,
Request: &http.Request{
Method: "METHOD",
URL: &url.URL{Path: "/request-url"},
},
}
err := checkResponse(resp)
require.EqualError(t, err, `METHOD /request-url: 199 - {"message":"error"}`, "error checking response")
})
t.Run("return error with a status code more than 299 with empty body", func(t *testing.T) {
body := ioutil.NopCloser(strings.NewReader(``))
resp := &http.Response{
StatusCode: 300,
Body: body,
Request: &http.Request{
Method: "METHOD",
URL: &url.URL{Path: "/request-url"},
},
}
err := checkResponse(resp)
require.EqualError(t, err, `METHOD /request-url: 300`, "error checking response")
var e *HTTPError
require.True(t, errors.As(err, &e))
require.Equal(t, &HTTPError{
StatusCode: 300,
Response: resp,
Err: errors.New("http error"),
Raw: []byte{},
}, e)
require.True(t, errors.Is(err, ErrHTTP))
})
t.Run("return nil with status code 200", func(t *testing.T) {
body := ioutil.NopCloser(strings.NewReader(`{"message":"error"}`))
resp := &http.Response{
StatusCode: 200,
Body: body,
Request: &http.Request{
Method: "METHOD",
URL: &url.URL{Path: "/request-url"},
},
}
err := checkResponse(resp)
require.NoError(t, err, "error checking response")
})
t.Run("return nil with status code 299", func(t *testing.T) {
body := ioutil.NopCloser(strings.NewReader(`{"message":"error"}`))
resp := &http.Response{
StatusCode: 299,
Body: body,
Request: &http.Request{
Method: "METHOD",
URL: &url.URL{Path: "/request-url"},
},
}
err := checkResponse(resp)
require.NoError(t, err, "error checking response")
})
t.Run("correctly Unmarshal error", func(t *testing.T) {
body := ioutil.NopCloser(strings.NewReader(`{"message":"error"}`))
resp := &http.Response{
StatusCode: 300,
Body: body,
Request: &http.Request{
Method: "METHOD",
URL: &url.URL{Path: "/request-url"},
},
}
err := checkResponse(resp)
require.EqualError(t, err, `METHOD /request-url: 300 - {"message":"error"}`, "error checking response")
var e *HTTPError
require.True(t, errors.As(err, &e))
require.Equal(t, &HTTPError{
StatusCode: 300,
Response: resp,
Err: errors.New("http error"),
Raw: []byte(`{"message":"error"}`),
}, e)
require.True(t, errors.Is(err, ErrHTTP))
type myError struct {
Message string `json:"message"`
}
jsonError := myError{}
err = e.Unmarshal(&jsonError)
require.NoError(t, err)
require.Equal(t, myError{
Message: "error",
}, jsonError)
})
}