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// Copyright (c) 2019-2020, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the LICENSE.md file
// distributed with the sources of this project regarding your rights to use or distribute this
// software.
package client
import (
"context"
"errors"
"net/http"
"net/http/httptest"
"testing"
jsonresp "github.com/sylabs/json-resp"
)
type MockVersion struct {
t *testing.T
code int
message string
wantPath string
version string
}
func (m *MockVersion) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if m.code/100 != 2 { // non-2xx status code
if err := jsonresp.WriteError(w, m.message, m.code); err != nil {
m.t.Fatalf("failed to write error: %v", err)
}
return
}
if got, want := r.URL.Path, m.wantPath; got != want {
m.t.Errorf("got path %v, want %v", got, want)
}
if got, want := r.ContentLength, int64(0); got != want {
m.t.Errorf("got content length %v, want %v", got, want)
}
vi := struct {
Version string `json:"version"`
}{
Version: m.version,
}
if err := jsonresp.WriteResponse(w, vi, m.code); err != nil {
m.t.Fatalf("failed to write response: %v", err)
}
}
func TestGetVersion(t *testing.T) {
cancelled, cancel := context.WithCancel(context.Background())
cancel()
tests := []struct {
name string
path string
ctx context.Context
code int
message string
wantPath string
version string
wantErr error
}{
{
name: "OK",
ctx: context.Background(),
code: http.StatusOK,
wantPath: "/version",
version: "1.2.3",
},
{
name: "OKWithPath",
path: "/path",
ctx: context.Background(),
code: http.StatusOK,
wantPath: "/path/version",
version: "1.2.3",
},
{
name: "NonAuthoritativeInfo",
ctx: context.Background(),
code: http.StatusNonAuthoritativeInfo,
wantPath: "/version",
version: "1.2.3",
},
{
name: "HTTPError",
ctx: context.Background(),
code: http.StatusBadRequest,
wantErr: &HTTPError{code: http.StatusBadRequest},
},
{
name: "HTTPErrorMessage",
ctx: context.Background(),
code: http.StatusBadRequest,
message: "blah",
wantErr: &HTTPError{code: http.StatusBadRequest},
},
{
name: "ContextCanceled",
ctx: cancelled,
code: http.StatusOK,
wantErr: context.Canceled,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
s := httptest.NewServer(&MockVersion{
t: t,
code: tt.code,
message: tt.message,
wantPath: tt.wantPath,
version: tt.version,
})
defer s.Close()
c, err := NewClient(OptBaseURL(s.URL + tt.path))
if err != nil {
t.Fatalf("failed to create client: %v", err)
}
v, err := c.GetVersion(tt.ctx)
if got, want := err, tt.wantErr; !errors.Is(got, want) {
t.Fatalf("got error %v, want %v", got, want)
}
if err == nil {
if got, want := v, tt.version; got != want {
t.Errorf("got version %v, want %v", got, want)
}
}
})
}
}
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