1 files changed, 98 insertions, 0 deletions
diff --git a/cmd/gtan/run_test.go b/cmd/gtan/run_test.go
new file mode 100644
index 000000000..513b9b293
--- /dev/null
+++ b/cmd/gtan/run_test.go
@@ -0,0 +1,98 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/docker/docker/pkg/reexec"
+	"github.com/tangerine-network/go-tangerine/internal/cmdtest"
+)
+
+func tmpdir(t *testing.T) string {
+	dir, err := ioutil.TempDir("", "gtan-test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	return dir
+}
+
+type testgtan struct {
+	*cmdtest.TestCmd
+
+	// template variables for expect
+	Datadir   string
+	Etherbase string
+}
+
+func init() {
+	// Run the app if we've been exec'd as "gtan-test" in runGeth.
+	reexec.Register("gtan-test", func() {
+		if err := app.Run(os.Args); err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			os.Exit(1)
+		}
+		os.Exit(0)
+	})
+}
+
+func TestMain(m *testing.M) {
+	// check if we have been reexec'd
+	if reexec.Init() {
+		return
+	}
+	os.Exit(m.Run())
+}
+
+// spawns gtan with the given command line args. If the args don't set --datadir, the
+// child g gets a temporary data directory.
+func runGeth(t *testing.T, args ...string) *testgtan {
+	tt := &testgtan{}
+	tt.TestCmd = cmdtest.NewTestCmd(t, tt)
+	for i, arg := range args {
+		switch {
+		case arg == "-datadir" || arg == "--datadir":
+			if i < len(args)-1 {
+				tt.Datadir = args[i+1]
+			}
+		case arg == "-etherbase" || arg == "--etherbase":
+			if i < len(args)-1 {
+				tt.Etherbase = args[i+1]
+			}
+		}
+	}
+	if tt.Datadir == "" {
+		tt.Datadir = tmpdir(t)
+		tt.Cleanup = func() { os.RemoveAll(tt.Datadir) }
+		args = append([]string{"-datadir", tt.Datadir}, args...)
+		// Remove the temporary datadir if something fails below.
+		defer func() {
+			if t.Failed() {
+				tt.Cleanup()
+			}
+		}()
+	}
+
+	// Boot "gtan". This actually runs the test binary but the TestMain
+	// function will prevent any tests from running.
+	tt.Run("gtan-test", args...)
+
+	return tt
+}