cloudflared-mirror/diagnostic/handlers_test.go

109 lines
2.9 KiB
Go

package diagnostic_test
import (
"context"
"encoding/json"
"errors"
"io"
"net/http"
"net/http/httptest"
"testing"
"github.com/rs/zerolog"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/cloudflare/cloudflared/diagnostic"
)
type SystemCollectorMock struct{}
const (
systemInformationKey = "sikey"
rawInformationKey = "rikey"
errorKey = "errkey"
)
func setCtxValuesForSystemCollector(
systemInfo *diagnostic.SystemInformation,
rawInfo string,
err error,
) context.Context {
ctx := context.Background()
ctx = context.WithValue(ctx, systemInformationKey, systemInfo)
ctx = context.WithValue(ctx, rawInformationKey, rawInfo)
ctx = context.WithValue(ctx, errorKey, err)
return ctx
}
func (*SystemCollectorMock) Collect(ctx context.Context) (*diagnostic.SystemInformation, string, error) {
si, _ := ctx.Value(systemInformationKey).(*diagnostic.SystemInformation)
ri, _ := ctx.Value(rawInformationKey).(string)
err, _ := ctx.Value(errorKey).(error)
return si, ri, err
}
func TestSystemHandler(t *testing.T) {
t.Parallel()
log := zerolog.Nop()
tests := []struct {
name string
systemInfo *diagnostic.SystemInformation
rawInfo string
err error
statusCode int
}{
{
name: "happy path",
systemInfo: diagnostic.NewSystemInformation(
0, 0, 0, 0,
"string", "string", "string", "string",
"string", "string", nil,
),
rawInfo: "",
err: nil,
statusCode: http.StatusOK,
},
{
name: "on error and raw info", systemInfo: nil,
rawInfo: "raw info", err: errors.New("an error"), statusCode: http.StatusOK,
},
{
name: "on error and no raw info", systemInfo: nil,
rawInfo: "", err: errors.New("an error"), statusCode: http.StatusInternalServerError,
},
{
name: "malformed response", systemInfo: nil, rawInfo: "", err: nil, statusCode: http.StatusInternalServerError,
},
}
for _, tCase := range tests {
t.Run(tCase.name, func(t *testing.T) {
t.Parallel()
handler := diagnostic.NewDiagnosticHandler(&log, 0, &SystemCollectorMock{})
recorder := httptest.NewRecorder()
ctx := setCtxValuesForSystemCollector(tCase.systemInfo, tCase.rawInfo, tCase.err)
request, err := http.NewRequestWithContext(ctx, http.MethodGet, "/diag/syste,", nil)
require.NoError(t, err)
handler.SystemHandler(recorder, request)
assert.Equal(t, tCase.statusCode, recorder.Code)
if tCase.statusCode == http.StatusOK && tCase.systemInfo != nil {
var response diagnostic.SystemInformation
decoder := json.NewDecoder(recorder.Body)
err = decoder.Decode(&response)
require.NoError(t, err)
assert.Equal(t, tCase.systemInfo, &response)
} else if tCase.statusCode == http.StatusOK && tCase.rawInfo != "" {
rawBytes, err := io.ReadAll(recorder.Body)
require.NoError(t, err)
assert.Equal(t, tCase.rawInfo, string(rawBytes))
}
})
}
}