Merge PR #6767: x/distribution/simulation/proposals.go: add unit tests

x/distribution/simulation/proposals_test.go

@@ -0,0 +1,49 @@
+package simulation_test
+
+import (
+	"math/rand"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	abci "github.com/tendermint/tendermint/abci/types"
+
+	"github.com/cosmos/cosmos-sdk/simapp"
+	simappparams "github.com/cosmos/cosmos-sdk/simapp/params"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
+	"github.com/cosmos/cosmos-sdk/x/distribution/simulation"
+)
+
+func TestProposalContents(t *testing.T) {
+	app := simapp.Setup(false)
+	ctx := app.BaseApp.NewContext(false, abci.Header{})
+
+	// initialize parameters
+	s := rand.NewSource(1)
+	r := rand.New(s)
+
+	accounts := simtypes.RandomAccounts(r, 3)
+
+	// execute ProposalContents function
+	weightedProposalContent := simulation.ProposalContents(app.DistrKeeper)
+	require.Len(t, weightedProposalContent, 1)
+
+	w0 := weightedProposalContent[0]
+
+	// tests w0 interface:
+	require.Equal(t, simulation.OpWeightSubmitCommunitySpendProposal, w0.AppParamsKey())
+	require.Equal(t, simappparams.DefaultWeightTextProposal, w0.DefaultWeight())
+
+	amount := sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(1)), sdk.NewCoin("atoken", sdk.NewInt(2)))
+
+	feePool := app.DistrKeeper.GetFeePool(ctx)
+	feePool.CommunityPool = sdk.NewDecCoinsFromCoins(amount...)
+	app.DistrKeeper.SetFeePool(ctx, feePool)
+
+	content := w0.ContentSimulatorFn()(r, ctx, accounts)
+
+	require.Equal(t, "sTxPjfweXhSUkMhPjMaxKlMIJMOXcnQfyzeOcbWwNbeHVIkPZBSpYuLyYggwexjxusrBqDOTtGTOWeLrQKjLxzIivHSlcxgdXhhu", content.GetDescription())
+	require.Equal(t, "xKGLwQvuyN", content.GetTitle())
+	require.Equal(t, "distribution", content.ProposalRoute())
+	require.Equal(t, "CommunityPoolSpend", content.ProposalType())
+}