traefik/pkg/plugins/middlewarewasm_test.go
2024-12-06 16:38:05 +01:00

121 lines
2.8 KiB
Go

package plugins
import (
"context"
"net/http"
"net/http/httptest"
"os"
"path"
"reflect"
"testing"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/tetratelabs/wazero"
)
func TestSettingsWithoutSocket(t *testing.T) {
cache := wazero.NewCompilationCache()
zerolog.SetGlobalLevel(zerolog.DebugLevel)
ctx := log.Logger.WithContext(context.Background())
t.Setenv("PLUGIN_TEST", "MY-TEST")
t.Setenv("PLUGIN_TEST_B", "MY-TEST_B")
testCases := []struct {
desc string
getSettings func(t *testing.T) (Settings, map[string]interface{})
expected string
}{
{
desc: "mounts path",
getSettings: func(t *testing.T) (Settings, map[string]interface{}) {
t.Helper()
tempDir := t.TempDir()
filePath := path.Join(tempDir, "hello.txt")
err := os.WriteFile(filePath, []byte("content_test"), 0o644)
require.NoError(t, err)
return Settings{Mounts: []string{
tempDir,
}}, map[string]interface{}{
"file": filePath,
}
},
expected: "content_test",
},
{
desc: "mounts src to dest",
getSettings: func(t *testing.T) (Settings, map[string]interface{}) {
t.Helper()
tempDir := t.TempDir()
filePath := path.Join(tempDir, "hello.txt")
err := os.WriteFile(filePath, []byte("content_test"), 0o644)
require.NoError(t, err)
return Settings{Mounts: []string{
tempDir + ":/tmp",
}}, map[string]interface{}{
"file": "/tmp/hello.txt",
}
},
expected: "content_test",
},
{
desc: "one env",
getSettings: func(t *testing.T) (Settings, map[string]interface{}) {
t.Helper()
envs := []string{"PLUGIN_TEST"}
return Settings{Envs: envs}, map[string]interface{}{
"envs": envs,
}
},
expected: "MY-TEST\n",
},
{
desc: "two env",
getSettings: func(t *testing.T) (Settings, map[string]interface{}) {
t.Helper()
envs := []string{"PLUGIN_TEST", "PLUGIN_TEST_B"}
return Settings{Envs: envs}, map[string]interface{}{
"envs": envs,
}
},
expected: "MY-TEST\nMY-TEST_B\n",
},
}
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
settings, config := test.getSettings(t)
builder := &wasmMiddlewareBuilder{path: "./fixtures/withoutsocket/plugin.wasm", cache: cache, settings: settings}
cfg := reflect.ValueOf(config)
m, applyCtx, err := builder.buildMiddleware(ctx, http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
rw.WriteHeader(http.StatusTeapot)
}), cfg, "test")
require.NoError(t, err)
rw := httptest.NewRecorder()
req := httptest.NewRequestWithContext(applyCtx(ctx), "GET", "/", http.NoBody)
m.ServeHTTP(rw, req)
assert.Equal(t, http.StatusOK, rw.Code)
assert.Equal(t, test.expected, rw.Body.String())
})
}
}