cosmos-sdk/x/simulation/account_test.go

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2019-12-13 09:46:27 -08:00
package simulation_test
import (
"math/rand"
"testing"
"time"
"github.com/stretchr/testify/require"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/simulation"
)
func TestRandomAccounts(t *testing.T) {
t.Parallel()
r := rand.New(rand.NewSource(time.Now().Unix()))
tests := []struct {
name string
n int
want int
}{
{"0-accounts", 0, 0},
{"0-accounts", 1, 1},
{"0-accounts", 1_000, 1_000},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
got := simulation.RandomAccounts(r, tt.n)
require.Equal(t, tt.want, len(got))
if tt.n == 0 {
return
}
acc, i := simulation.RandomAcc(r, got)
require.True(t, acc.Equals(got[i]))
accFound, found := simulation.FindAccount(got, acc.Address)
require.True(t, found)
require.True(t, accFound.Equals(acc))
})
}
}
func TestFindAccountEmptySlice(t *testing.T) {
t.Parallel()
r := rand.New(rand.NewSource(time.Now().Unix()))
accs := simulation.RandomAccounts(r, 1)
require.Equal(t, 1, len(accs))
acc, found := simulation.FindAccount(nil, accs[0].Address)
require.False(t, found)
require.Nil(t, acc.Address)
require.Nil(t, acc.PrivKey)
require.Nil(t, acc.PubKey)
}
func TestRandomFees(t *testing.T) {
t.Parallel()
r := rand.New(rand.NewSource(time.Now().Unix()))
tests := []struct {
name string
spendableCoins sdk.Coins
wantEmpty bool
wantErr bool
}{
{"0 coins", sdk.Coins{}, true, false},
{"0 coins", sdk.NewCoins(sdk.NewInt64Coin("aaa", 10), sdk.NewInt64Coin("bbb", 5)), false, false},
}
for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
got, err := simulation.RandomFees(r, sdk.Context{}, tt.spendableCoins)
if (err != nil) != tt.wantErr {
t.Errorf("RandomFees() error = %v, wantErr %v", err, tt.wantErr)
return
}
require.Equal(t, tt.wantEmpty, got.Empty())
})
}
}