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116 lines
2.4 KiB
Go
116 lines
2.4 KiB
Go
package render
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import (
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"fmt"
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"io"
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"net/http"
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"net/http/httptest"
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"strconv"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/smallstep/certificates/logging"
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)
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func TestJSON(t *testing.T) {
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rec := httptest.NewRecorder()
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rw := logging.NewResponseLogger(rec)
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JSON(rw, map[string]interface{}{"foo": "bar"})
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assert.Equal(t, http.StatusOK, rec.Result().StatusCode)
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assert.Equal(t, "application/json", rec.Header().Get("Content-Type"))
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assert.Equal(t, "{\"foo\":\"bar\"}\n", rec.Body.String())
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assert.Empty(t, rw.Fields())
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}
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func TestJSONPanics(t *testing.T) {
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assert.Panics(t, func() {
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JSON(httptest.NewRecorder(), make(chan struct{}))
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})
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}
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type renderableError struct {
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Code int `json:"-"`
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Message string `json:"message"`
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}
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func (err renderableError) Error() string {
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return err.Message
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}
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func (err renderableError) Render(w http.ResponseWriter) {
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w.Header().Set("Content-Type", "something/custom")
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JSONStatus(w, err, err.Code)
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}
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type statusedError struct {
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Contents string
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}
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func (err statusedError) Error() string { return err.Contents }
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func (statusedError) StatusCode() int { return 432 }
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func TestError(t *testing.T) {
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cases := []struct {
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err error
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code int
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body string
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header string
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}{
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0: {
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err: renderableError{532, "some string"},
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code: 532,
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body: "{\"message\":\"some string\"}\n",
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header: "something/custom",
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},
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1: {
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err: statusedError{"123"},
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code: 432,
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body: "{\"Contents\":\"123\"}\n",
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header: "application/json",
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},
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}
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for caseIndex := range cases {
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kase := cases[caseIndex]
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t.Run(strconv.Itoa(caseIndex), func(t *testing.T) {
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rec := httptest.NewRecorder()
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Error(rec, kase.err)
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assert.Equal(t, kase.code, rec.Result().StatusCode)
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assert.Equal(t, kase.body, rec.Body.String())
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assert.Equal(t, kase.header, rec.Header().Get("Content-Type"))
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})
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}
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}
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type causedError struct {
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cause error
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}
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func (err causedError) Error() string { return fmt.Sprintf("cause: %s", err.cause) }
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func (err causedError) Cause() error { return err.cause }
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func TestStatusCodeFromError(t *testing.T) {
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cases := []struct {
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err error
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exp int
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}{
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0: {nil, http.StatusInternalServerError},
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1: {io.EOF, http.StatusInternalServerError},
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2: {statusedError{"123"}, 432},
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3: {causedError{statusedError{"432"}}, 432},
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}
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for caseIndex, kase := range cases {
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assert.Equal(t, kase.exp, statusCodeFromError(kase.err), "case: %d", caseIndex)
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}
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}
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