test(x/auth/vesting/types): test Periods.String() (backport #22059) (#…

…22075)

Co-authored-by: Emmanuel T Odeke <[email protected]>

x/auth/vesting/types/period_test.go

@@ -0,0 +1,49 @@
+package types_test
+
+import (
+	"testing"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/x/auth/vesting/types"
+)
+
+func TestPeriodsString(t *testing.T) {
+	tests := []struct {
+		name    string
+		periods types.Periods
+		want    string
+	}{
+		{
+			"empty slice",
+			nil,
+			"Vesting Periods:",
+		},
+		{
+			"1 period",
+			types.Periods{
+				{Length: int64(12 * 60 * 60), Amount: sdk.Coins{sdk.NewInt64Coin("feeatom", 500), sdk.NewInt64Coin("statom", 50)}},
+			},
+			"Vesting Periods:\n\t\t" + `length:43200 amount:<denom:"feeatom" amount:"500" > amount:<denom:"statom" amount:"50" >`,
+		},
+		{
+			"many",
+			types.Periods{
+				{Length: int64(12 * 60 * 60), Amount: sdk.Coins{sdk.NewInt64Coin(feeDenom, 500), sdk.NewInt64Coin(stakeDenom, 50)}},
+				{Length: int64(6 * 60 * 60), Amount: sdk.Coins{sdk.NewInt64Coin(feeDenom, 250), sdk.NewInt64Coin(stakeDenom, 25)}},
+				{Length: int64(6 * 60 * 60), Amount: sdk.Coins{sdk.NewInt64Coin(feeDenom, 100), sdk.NewInt64Coin(stakeDenom, 15)}},
+			},
+			"Vesting Periods:\n\t\t" + `length:43200 amount:<denom:"fee" amount:"500" > amount:<denom:"stake" amount:"50" > , ` +
+				`length:21600 amount:<denom:"fee" amount:"250" > amount:<denom:"stake" amount:"25" > , ` +
+				`length:21600 amount:<denom:"fee" amount:"100" > amount:<denom:"stake" amount:"15" >`,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := tt.periods.String()
+			if got != tt.want {
+				t.Fatalf("Mismatch in values:\n\tGot:  %q\n\tWant: %q", got, tt.want)
+			}
+		})
+	}
+}