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// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package scan_test
import (
"bytes"
"flag"
"io/fs"
"os"
"path/filepath"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
"golang.org/x/vuln/internal/govulncheck"
"golang.org/x/vuln/internal/scan"
)
var update = flag.Bool("update", false, "update test files with results")
func TestPrinting(t *testing.T) {
testdata := os.DirFS("testdata")
inputs, err := fs.Glob(testdata, "*.json")
if err != nil {
t.Fatal(err)
}
for _, input := range inputs {
name := strings.TrimSuffix(input, ".json")
rawJSON, _ := fs.ReadFile(testdata, input)
textfiles, err := fs.Glob(testdata, name+"*.txt")
if err != nil {
t.Fatal(err)
}
for _, textfile := range textfiles {
textname := strings.TrimSuffix(textfile, ".txt")
t.Run(textname, func(t *testing.T) {
wantText, _ := fs.ReadFile(testdata, textfile)
got := &bytes.Buffer{}
handler := scan.NewTextHandler(got)
handler.Show(strings.Split(textname, "_")[1:])
testRunHandler(t, rawJSON, handler)
if diff := cmp.Diff(string(wantText), got.String()); diff != "" {
if *update {
// write the output back to the file
os.WriteFile(filepath.Join("testdata", textfile), got.Bytes(), 0644)
return
}
t.Errorf("Readable mismatch (-want, +got):\n%s", diff)
}
})
}
t.Run(name+"_json", func(t *testing.T) {
// this effectively tests that we can round trip the json
got := &strings.Builder{}
testRunHandler(t, rawJSON, govulncheck.NewJSONHandler(got))
if diff := cmp.Diff(strings.TrimSpace(string(rawJSON)), strings.TrimSpace(got.String())); diff != "" {
t.Errorf("JSON mismatch (-want, +got):\n%s", diff)
}
})
}
}
func testRunHandler(t *testing.T, rawJSON []byte, handler govulncheck.Handler) {
if err := govulncheck.HandleJSON(bytes.NewReader(rawJSON), handler); err != nil {
t.Fatal(err)
}
err := scan.Flush(handler)
switch e := err.(type) {
case nil:
case interface{ ExitCode() int }:
if e.ExitCode() != 0 && e.ExitCode() != 3 {
// not success or vulnerabilities found
t.Fatal(err)
}
default:
t.Fatal(err)
}
}
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