Add a test for getting auction by id

go.mod

@@ -43,7 +43,6 @@ require (
 	google.golang.org/grpc v1.60.1
 	google.golang.org/protobuf v1.32.0
 	gopkg.in/yaml.v3 v3.0.1
-	gotest.tools/v3 v3.5.1
 )
 
 require (
@@ -180,6 +179,7 @@ require (
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20231212172506-995d672761c0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gotest.tools/v3 v3.5.1 // indirect
 	lukechampine.com/blake3 v1.1.6 // indirect
 	nhooyr.io/websocket v1.8.6 // indirect
 	pgregory.net/rapid v1.1.0 // indirect

tests/integration/auction/keeper/common_test.go

@@ -1,6 +1,7 @@
 package keeper_test
 
 import (
+	"context"
 	"testing"
 
 	"cosmossdk.io/core/appmodule"
@@ -23,6 +24,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/x/bank"
 	bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
+	minttypes "github.com/cosmos/cosmos-sdk/x/mint/types"
 
 	auctionTypes "git.vdb.to/cerc-io/laconic2d/x/auction"
 	auctionkeeper "git.vdb.to/cerc-io/laconic2d/x/auction/keeper"
@@ -59,6 +61,7 @@ func (kts *KeeperTestSuite) SetupTest() {
 	authority := authtypes.NewModuleAddress("gov")
 
 	maccPerms := map[string][]string{
+		minttypes.ModuleName:                         {authtypes.Minter},
 		auctionTypes.ModuleName:                      {},
 		auctionTypes.AuctionBurnModuleAccountName:    {},
 		bondTypes.ModuleName:                         {},
@@ -118,3 +121,9 @@ func (kts *KeeperTestSuite) SetupTest() {
 func TestKeeperTestSuite(t *testing.T) {
 	suite.Run(t, new(KeeperTestSuite))
 }
+
+type bondDenomProvider struct{}
+
+func (bdp bondDenomProvider) BondDenom(ctx context.Context) (string, error) {
+	return sdk.DefaultBondDenom, nil
+}

tests/integration/auction/keeper/query_server_test.go

@@ -4,9 +4,14 @@ import (
 	"context"
 	"fmt"
 
+	"cosmossdk.io/math"
+	simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
+
 	types "git.vdb.to/cerc-io/laconic2d/x/auction"
 )
 
+const testCommitHash = "71D8CF34026E32A3A34C2C2D4ADF25ABC8D7943A4619761BE27F196603D91B9D"
+
 func (kts *KeeperTestSuite) TestGrpcQueryParams() {
 	qr := kts.app.QueryHelper()
 	queryClient := types.NewQueryClient(qr)
@@ -29,3 +34,75 @@ func (kts *KeeperTestSuite) TestGrpcQueryParams() {
 	}
 }
 
+func (kts *KeeperTestSuite) TestGrpcGetAuction() {
+	qr := kts.app.QueryHelper()
+	queryClient := types.NewQueryClient(qr)
+
+	testCases := []struct {
+		msg           string
+		req           *types.QueryAuctionRequest
+		createAuction bool
+	}{
+		{
+			"fetch auction with empty auction ID",
+			&types.QueryAuctionRequest{},
+			false,
+		},
+		{
+			"fetch auction with valid auction ID",
+			&types.QueryAuctionRequest{},
+			true,
+		},
+	}
+
+	for _, test := range testCases {
+		kts.Run(fmt.Sprintf("Case %s", test.msg), func() {
+			if test.createAuction {
+				auction, _, err := kts.createAuctionAndCommitBid(false)
+				kts.Require().Nil(err)
+				test.req.Id = auction.Id
+			}
+
+			resp, err := queryClient.GetAuction(context.Background(), test.req)
+			if test.createAuction {
+				kts.Require().Nil(err)
+				kts.Require().NotNil(resp.GetAuction())
+				kts.Require().Equal(test.req.Id, resp.GetAuction().Id)
+			} else {
+				kts.Require().NotNil(err)
+				kts.Require().Error(err)
+			}
+		})
+	}
+}
+
+func (kts *KeeperTestSuite) createAuctionAndCommitBid(commitBid bool) (*types.Auction, *types.Bid, error) {
+	ctx, k := kts.sdkCtx, kts.auctionKeeper
+	accCount := 1
+	if commitBid {
+		accCount++
+	}
+
+	accounts := simtestutil.AddTestAddrs(kts.bankKeeper, bondDenomProvider{}, ctx, 2, math.NewInt(100))
+
+	params, err := k.GetParams(ctx)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	auction, err := k.CreateAuction(ctx, types.NewMsgCreateAuction(*params, accounts[0]))
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if commitBid {
+		bid, err := k.CommitBid(ctx, types.NewMsgCommitBid(auction.Id, testCommitHash, accounts[1]))
+		if err != nil {
+			return nil, nil, err
+		}
+
+		return auction, bid, nil
+	}
+
+	return auction, nil, nil
+}