1 files changed, 69 insertions, 0 deletions
diff --git a/src/cmd/go/internal/modconv/modconv_test.go b/src/cmd/go/internal/modconv/modconv_test.go
new file mode 100644
index 0000000..750525d
--- /dev/null
+++ b/src/cmd/go/internal/modconv/modconv_test.go
@@ -0,0 +1,69 @@
+// Copyright 2018 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 modconv
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+var extMap = map[string]string{
+	".dep":       "Gopkg.lock",
+	".glide":     "glide.lock",
+	".glock":     "GLOCKFILE",
+	".godeps":    "Godeps/Godeps.json",
+	".tsv":       "dependencies.tsv",
+	".vconf":     "vendor.conf",
+	".vjson":     "vendor/vendor.json",
+	".vyml":      "vendor.yml",
+	".vmanifest": "vendor/manifest",
+}
+
+func Test(t *testing.T) {
+	tests, _ := filepath.Glob("testdata/*")
+	if len(tests) == 0 {
+		t.Fatalf("no tests found")
+	}
+	for _, test := range tests {
+		file := filepath.Base(test)
+		ext := filepath.Ext(file)
+		if ext == ".out" {
+			continue
+		}
+		t.Run(file, func(t *testing.T) {
+			if extMap[ext] == "" {
+				t.Fatal("unknown extension")
+			}
+			if Converters[extMap[ext]] == nil {
+				t.Fatalf("Converters[%q] == nil", extMap[ext])
+			}
+			data, err := os.ReadFile(test)
+			if err != nil {
+				t.Fatal(err)
+			}
+			out, err := Converters[extMap[ext]](test, data)
+			if err != nil {
+				t.Fatal(err)
+			}
+			want, err := os.ReadFile(test[:len(test)-len(ext)] + ".out")
+			if err != nil {
+				t.Error(err)
+			}
+			var buf bytes.Buffer
+			for _, r := range out.Require {
+				fmt.Fprintf(&buf, "%s %s\n", r.Mod.Path, r.Mod.Version)
+			}
+			for _, r := range out.Replace {
+				fmt.Fprintf(&buf, "replace: %s %s %s %s\n", r.Old.Path, r.Old.Version, r.New.Path, r.New.Version)
+			}
+			if !bytes.Equal(buf.Bytes(), want) {
+				t.Errorf("have:\n%s\nwant:\n%s", buf.Bytes(), want)
+			}
+		})
+	}
+}