whatcanGOwrong

go/pkg/mod/mvdan.cc/gofumpt@v0.7.0/main_test.go

@@ -0,0 +1,58 @@
+// Copyright (c) 2019, Daniel Martí <mvdan@mvdan.cc>
+// See LICENSE for licensing information
+
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"testing"
+
+	"github.com/go-quicktest/qt"
+
+	"github.com/rogpeppe/go-internal/gotooltest"
+	"github.com/rogpeppe/go-internal/testscript"
+)
+
+func TestMain(m *testing.M) {
+	os.Exit(testscript.RunMain(m, map[string]func() int{
+		"gofumpt": main1,
+	}))
+}
+
+var update = flag.Bool("u", false, "update testscript output files")
+
+func TestScript(t *testing.T) {
+	t.Parallel()
+
+	var goEnv struct {
+		GOCACHE    string
+		GOMODCACHE string
+		GOMOD      string
+	}
+	out, err := exec.Command("go", "env", "-json").CombinedOutput()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := json.Unmarshal(out, &goEnv); err != nil {
+		t.Fatal(err)
+	}
+
+	p := testscript.Params{
+		Dir:                 filepath.Join("testdata", "script"),
+		UpdateScripts:       *update,
+		RequireExplicitExec: true,
+		Setup: func(env *testscript.Env) error {
+			env.Setenv("GOCACHE", goEnv.GOCACHE)
+			env.Setenv("GOMODCACHE", goEnv.GOMODCACHE)
+			env.Setenv("GOMOD_DIR", filepath.Dir(goEnv.GOMOD))
+			return nil
+		},
+	}
+	err = gotooltest.Setup(&p)
+	qt.Assert(t, qt.IsNil(err))
+	testscript.Run(t, p)
+}