mock app tests now work

mock/app_test.go

@@ -33,4 +33,42 @@ func TestInitApp(t *testing.T) {
 	qres := app.Query(query)
 	require.Equal(t, uint32(0), qres.Code, qres.Log)
 	assert.Equal(t, []byte("bar"), qres.Value)
+
+}
+
+// TextDeliverTx ensures we can write a tx
+func TestDeliverTx(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)
+
+	key := "my-special-key"
+	value := "top-secret-data!!"
+	tx := NewTx(key, value)
+	txBytes := tx.GetSignBytes()
+
+	header := abci.Header{
+		AppHash: []byte("apphash"),
+		Height:  1,
+	}
+	app.BeginBlock(abci.RequestBeginBlock{Header: header})
+	dres := app.DeliverTx(txBytes)
+	require.Equal(t, uint32(0), dres.Code, dres.Log)
+	app.EndBlock(abci.RequestEndBlock{})
+	cres := app.Commit()
+	require.NotEmpty(t, cres.Data)
+
+	// make sure we can query these values
+	query := abci.RequestQuery{
+		Path: "/main/key",
+		Data: []byte(key),
+	}
+	qres := app.Query(query)
+	require.Equal(t, uint32(0), qres.Code, qres.Log)
+	assert.Equal(t, []byte(value), qres.Value)
+
 }

mock/tx.go

@@ -2,6 +2,7 @@ package mock
 
 import (
 	"bytes"
+	"fmt"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	crypto "github.com/tendermint/go-crypto"
@@ -14,6 +15,17 @@ type kvstoreTx struct {
 	bytes []byte
 }
 
+var _ sdk.Tx = kvstoreTx{}
+
+func NewTx(key, value string) kvstoreTx {
+	bytes := fmt.Sprintf("%s=%s", key, value)
+	return kvstoreTx{
+		key:   []byte(key),
+		value: []byte(value),
+		bytes: []byte(bytes),
+	}
+}
+
 func (tx kvstoreTx) Get(key interface{}) (value interface{}) {
 	switch k := key.(type) {
 	case string: