x/params/simulation/operations.go: add unit tests

x/params/simulation/operations_test.go

@@ -0,0 +1,65 @@
+package simulation_test
+
+import (
+	"fmt"
+	"math/rand"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	abci "github.com/tendermint/tendermint/abci/types"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
+	"github.com/cosmos/cosmos-sdk/x/params/simulation"
+	"github.com/cosmos/cosmos-sdk/x/params/types/proposal"
+)
+
+type MockParamChange struct {
+	n int
+}
+
+func (pc MockParamChange) Subspace() string {
+	return fmt.Sprintf("test-Subspace%d", pc.n)
+}
+
+func (pc MockParamChange) Key() string {
+	return fmt.Sprintf("test-Key%d", pc.n)
+}
+
+func (pc MockParamChange) ComposedKey() string {
+	return fmt.Sprintf("test-ComposedKey%d", pc.n)
+}
+
+func (pc MockParamChange) SimValue() simtypes.SimValFn {
+	return func(r *rand.Rand) string {
+		return fmt.Sprintf("test-value %d%d ", pc.n, int64(simtypes.RandIntBetween(r, 10, 1000)))
+	}
+}
+
+// make sure that the MockParamChange satisfied the ParamChange interface
+var _ simtypes.ParamChange = MockParamChange{}
+
+func TestSimulateParamChangeProposalContent(t *testing.T) {
+	s := rand.NewSource(1)
+	r := rand.New(s)
+
+	ctx := sdk.NewContext(nil, abci.Header{}, true, nil)
+	accounts := simtypes.RandomAccounts(r, 3)
+	paramChangePool := []simtypes.ParamChange{MockParamChange{1}, MockParamChange{2}, MockParamChange{3}}
+
+	// execute operation
+	op := simulation.SimulateParamChangeProposalContent(paramChangePool)
+	content := op(r, ctx, accounts)
+
+	require.Equal(t, "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", content.GetDescription())
+	require.Equal(t, "tpHRGdIbuucfTjOygZsTxPjfweXhSUkMhPjMaxKlMIJMOXcnQfyzeOcbWwNbeHVIkPZBSpYuLyYggwexjxusrBqDOTtGTOWeLrQKjLxzIivHSlcxgdXhhuTSkuxKGLwQvuyNhYFmBZHe", content.GetTitle())
+	require.Equal(t, "params", content.ProposalRoute())
+	require.Equal(t, "ParameterChange", content.ProposalType())
+
+	pcp, ok := content.(*proposal.ParameterChangeProposal)
+	require.True(t, ok)
+
+	require.Equal(t, "test-Key2", pcp.Changes[0].GetKey())
+	require.Equal(t, "test-value 2610 ", pcp.Changes[0].GetValue())
+	require.Equal(t, "test-Subspace2", pcp.Changes[0].GetSubspace())
+}