1 files changed, 31 insertions, 0 deletions
diff --git a/internal/gocommand/version_test.go b/internal/gocommand/version_test.go
new file mode 100644
index 000000000..27016e4c0
--- /dev/null
+++ b/internal/gocommand/version_test.go
@@ -0,0 +1,31 @@
+// 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 gocommand
+
+import (
+	"strconv"
+	"testing"
+)
+
+func TestParseGoVersionOutput(t *testing.T) {
+	tests := []struct {
+		args string
+		want string
+	}{
+		{"go version go1.12 linux/amd64", "go1.12"},
+		{"go version go1.18.1 darwin/amd64", "go1.18.1"},
+		{"go version go1.19.rc1 windows/arm64", "go1.19.rc1"},
+		{"go version devel d5de62df152baf4de6e9fe81933319b86fd95ae4 linux/386", "devel d5de62df152baf4de6e9fe81933319b86fd95ae4"},
+		{"go version devel go1.20-1f068f0dc7 Tue Oct 18 20:58:37 2022 +0000 darwin/amd64", "devel go1.20-1f068f0dc7"},
+		{"v1.19.1 foo/bar", ""},
+	}
+	for i, tt := range tests {
+		t.Run(strconv.Itoa(i), func(t *testing.T) {
+			if got := ParseGoVersionOutput(tt.args); got != tt.want {
+				t.Errorf("parseGoVersionOutput() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}