test: add event checking to TestInstantiateContract (#70)

* test: add event checking to TestInstantiateContract

* docs: add CHANGELOG

CHANGELOG.md

@@ -10,6 +10,7 @@
 * [\#65](https://github.com/Finschia/wasmd/pull/65) add test cases for empty request in each function
 * [\#66](https://github.com/Finschia/wasmd/pull/66) add test cases for invalid pagination key in some functions
 * [\#64](https://github.com/Finschia/wasmd/pull/64) test: add test cases to confirm output for PinnedCodes
+* [\#70](https://github.com/Finschia/wasmd/pull/70) add event checking to TestInstantiateContract
 
 ### Bug Fixes
 * [\#62](https://github.com/Finschia/wasmd/pull/62) fill ContractHistory querier result's Updated field

x/wasm/keeper/msg_server_integration_test.go

@@ -5,12 +5,14 @@ import (
 	_ "embed"
 	"encoding/hex"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 
 	"github.com/Finschia/finschia-sdk/testutil/testdata"
+	sdk "github.com/Finschia/finschia-sdk/types"
 
 	"github.com/Finschia/wasmd/app"
 	"github.com/Finschia/wasmd/x/wasm/types"
@@ -60,3 +62,81 @@ func TestStoreCode(t *testing.T) {
 	assert.Equal(t, sender.String(), info.Creator)
 	assert.Equal(t, types.DefaultParams().InstantiateDefaultPermission.With(sender), info.InstantiateConfig)
 }
+
+func TestInstantiateContract(t *testing.T) {
+	wasmApp := app.Setup(false)
+	ctx := wasmApp.BaseApp.NewContext(false, tmproto.Header{Time: time.Now()})
+
+	var (
+		myAddress sdk.AccAddress = make([]byte, types.ContractAddrLen)
+	)
+
+	specs := map[string]struct {
+		addr       string
+		permission *types.AccessConfig
+		expErr     bool
+	}{
+		"address can instantiate a contract when permission is everybody": {
+			addr:       myAddress.String(),
+			permission: &types.AllowEverybody,
+			expErr:     false,
+		},
+		"address cannot instantiate a contract when permission is nobody": {
+			addr:       myAddress.String(),
+			permission: &types.AllowNobody,
+			expErr:     true,
+		},
+	}
+	for name, spec := range specs {
+		t.Run(name, func(t *testing.T) {
+			// setup
+			_, _, sender := testdata.KeyTestPubAddr()
+			msg := types.MsgStoreCodeFixture(func(m *types.MsgStoreCode) {
+				m.WASMByteCode = wasmContract
+				m.Sender = sender.String()
+				m.InstantiatePermission = spec.permission
+			})
+
+			// store code
+			rsp, err := wasmApp.MsgServiceRouter().Handler(msg)(ctx, msg)
+			require.NoError(t, err)
+			var result types.MsgStoreCodeResponse
+			require.NoError(t, wasmApp.AppCodec().Unmarshal(rsp.Data, &result))
+
+			// when
+			msgInstantiate := &types.MsgInstantiateContract{
+				Sender: spec.addr,
+				Admin:  myAddress.String(),
+				CodeID: result.CodeID,
+				Label:  "test",
+				Msg:    []byte(`{}`),
+				Funds:  sdk.Coins{},
+			}
+			rsp, err = wasmApp.MsgServiceRouter().Handler(msgInstantiate)(ctx, msgInstantiate)
+
+			//then
+			if spec.expErr {
+				require.Error(t, err)
+				return
+			}
+
+			// check event
+			events := rsp.Events
+			assert.Equal(t, 2, len(events))
+			assert.Equal(t, "message", events[0].Type)
+			assert.Equal(t, 2, len(events[0].Attributes))
+			assert.Equal(t, "module", string(events[0].Attributes[0].Key))
+			assert.Equal(t, "wasm", string(events[0].Attributes[0].Value))
+			assert.Equal(t, "sender", string(events[0].Attributes[1].Key))
+			assert.Equal(t, myAddress.String(), string(events[0].Attributes[1].Value))
+			assert.Equal(t, "instantiate", events[1].Type)
+			assert.Equal(t, 2, len(events[1].Attributes))
+			assert.Equal(t, "_contract_address", string(events[1].Attributes[0].Key))
+			assert.Contains(t, string(rsp.Data), string(events[1].Attributes[0].Value))
+			assert.Equal(t, "code_id", string(events[1].Attributes[1].Key))
+			assert.Equal(t, "1", string(events[1].Attributes[1].Value))
+
+			require.NoError(t, err)
+		})
+	}
+}