fetchModule: smoke test

internal/workdir/runtimes/runtime-go/private_test.go

@@ -5,6 +5,8 @@ import (
 	"os/exec"
 	"testing"
 
+	"github.com/kazhuravlev/toolset/internal/fsh"
+
 	"github.com/kazhuravlev/toolset/internal/prog"
 	"github.com/stretchr/testify/require"
 )
@@ -44,3 +46,30 @@ func Test_parse(t *testing.T) {
 		IsPrivate: false,
 	})
 }
+
+func Test_fetchModule(t *testing.T) {
+	fs := fsh.NewRealFS()
+	goBin, err := exec.LookPath("go")
+	require.NoError(t, err, "install go")
+
+	f := func(name, link string, exp moduleInfo) {
+		t.Run(name, func(t *testing.T) {
+			ctx := context.Background()
+			mod, err := fetchModule(ctx, fs, goBin, link)
+			require.NoError(t, err)
+			require.NotEmpty(t, mod)
+			require.Equal(t, exp, *mod)
+		})
+	}
+
+	f("with_ver", "github.com/bufbuild/buf/cmd/buf@v1.47.2", moduleInfo{
+		Mod:       prog.NewVer("github.com/bufbuild/buf/cmd/buf", "v1.47.2"),
+		Program:   "buf",
+		IsPrivate: false,
+	})
+	f("v2_version", "github.com/goreleaser/goreleaser/v2@v2.5.1", moduleInfo{
+		Mod:       prog.NewVer("github.com/goreleaser/goreleaser/v2", "v2.5.1"),
+		Program:   "goreleaser",
+		IsPrivate: false,
+	})
+}