From 3ea9634291bcd36fcb1746dd77df2f6560f3bdc3 Mon Sep 17 00:00:00 2001
From: Ethan Frey <ethanfrey@users.noreply.github.com>
Date: Wed, 21 Feb 2018 16:14:49 +0100
Subject: [PATCH] Test init/query mock app

---
 mock/app_test.go | 36 ++++++++++++++++++++++++++++++++++++
 mock/helpers.go  |  2 +-
 2 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 mock/app_test.go

diff --git a/mock/app_test.go b/mock/app_test.go
new file mode 100644
index 000000000..782362827
--- /dev/null
+++ b/mock/app_test.go
@@ -0,0 +1,36 @@
+package mock
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	abci "github.com/tendermint/abci/types"
+)
+
+// TestInitApp makes sure we can initialize this thing without an error
+func TestInitApp(t *testing.T) {
+	// set up an app
+	app, closer, err := SetupApp()
+	// closer may need to be run, even when error in later stage
+	if closer != nil {
+		defer closer()
+	}
+	require.NoError(t, err)
+
+	// initialize it future-way
+	opts, err := GenInitOptions(nil)
+	require.NoError(t, err)
+	req := abci.RequestInitChain{AppStateBytes: opts}
+	app.InitChain(req)
+
+	// make sure we can query these values
+	query := abci.RequestQuery{
+		Path: "/main/key",
+		Data: []byte("foo"),
+	}
+	qres := app.Query(query)
+	require.Equal(t, uint32(0), qres.Code, qres.Log)
+	assert.Equal(t, []byte("bar"), qres.Value)
+}
diff --git a/mock/helpers.go b/mock/helpers.go
index 4b6f70ba7..4e30eaa30 100644
--- a/mock/helpers.go
+++ b/mock/helpers.go
@@ -13,7 +13,7 @@ import (
 func SetupApp() (abci.Application, func(), error) {
 	logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout)).
 		With("module", "mock")
-	rootDir, err := ioutil.TempDir("mock-sdk", "")
+	rootDir, err := ioutil.TempDir("", "mock-sdk")
 	if err != nil {
 		return nil, nil, err
 	}