jsonschemagen_test.go•1.5 kB
// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0
package main
import (
"flag"
"os"
"os/exec"
"path/filepath"
"testing"
)
var update = flag.Bool("update", false, "update golden")
func Test(t *testing.T) {
if _, err := exec.LookPath("diff"); err != nil {
t.Skip("skipping; no diff program")
}
const pkgPath = "test"
outDir := t.TempDir()
err := run(
filepath.Join("testdata", "test.json"),
pkgPath,
filepath.Join("testdata", "test.config"),
outDir)
if err != nil {
t.Fatal(err)
}
outFile := filepath.Join(outDir, pkgPath, "gen.go")
goldenFile := filepath.Join("testdata", "golden")
if *update {
if err := os.Rename(outFile, goldenFile); err != nil {
t.Fatal(err)
}
t.Log("updated golden")
} else {
out, err := exec.Command("diff", "-u", goldenFile, outFile).CombinedOutput()
if err != nil {
t.Fatalf("%v\n%s", err, out)
}
if len(out) > 0 {
t.Errorf("%s", out)
}
}
}