cosmos-sdk/types/coin_test.go

426 lines
12 KiB
Go

package types
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestIsPositiveCoin(t *testing.T) {
cases := []struct {
inputOne Coin
expected bool
}{
{NewInt64Coin("A", 1), true},
{NewInt64Coin("A", 0), false},
{NewInt64Coin("a", -1), false},
}
for tcIndex, tc := range cases {
res := tc.inputOne.IsPositive()
require.Equal(t, tc.expected, res, "%s positivity is incorrect, tc #%d", tc.inputOne.String(), tcIndex)
}
}
func TestIsNotNegativeCoin(t *testing.T) {
cases := []struct {
inputOne Coin
expected bool
}{
{NewInt64Coin("A", 1), true},
{NewInt64Coin("A", 0), true},
{NewInt64Coin("a", -1), false},
}
for tcIndex, tc := range cases {
res := tc.inputOne.IsNotNegative()
require.Equal(t, tc.expected, res, "%s not-negativity is incorrect, tc #%d", tc.inputOne.String(), tcIndex)
}
}
func TestSameDenomAsCoin(t *testing.T) {
cases := []struct {
inputOne Coin
inputTwo Coin
expected bool
}{
{NewInt64Coin("A", 1), NewInt64Coin("A", 1), true},
{NewInt64Coin("A", 1), NewInt64Coin("a", 1), false},
{NewInt64Coin("a", 1), NewInt64Coin("b", 1), false},
{NewInt64Coin("steak", 1), NewInt64Coin("steak", 10), true},
{NewInt64Coin("steak", -11), NewInt64Coin("steak", 10), true},
}
for tcIndex, tc := range cases {
res := tc.inputOne.SameDenomAs(tc.inputTwo)
require.Equal(t, tc.expected, res, "coin denominations didn't match, tc #%d", tcIndex)
}
}
func TestIsGTECoin(t *testing.T) {
cases := []struct {
inputOne Coin
inputTwo Coin
expected bool
}{
{NewInt64Coin("A", 1), NewInt64Coin("A", 1), true},
{NewInt64Coin("A", 2), NewInt64Coin("A", 1), true},
{NewInt64Coin("A", -1), NewInt64Coin("A", 5), false},
{NewInt64Coin("a", 1), NewInt64Coin("b", 1), false},
}
for tcIndex, tc := range cases {
res := tc.inputOne.IsGTE(tc.inputTwo)
require.Equal(t, tc.expected, res, "coin GTE relation is incorrect, tc #%d", tcIndex)
}
}
func TestIsLTCoin(t *testing.T) {
cases := []struct {
inputOne Coin
inputTwo Coin
expected bool
}{
{NewInt64Coin("A", 1), NewInt64Coin("A", 1), false},
{NewInt64Coin("A", 2), NewInt64Coin("A", 1), false},
{NewInt64Coin("A", -1), NewInt64Coin("A", 5), true},
{NewInt64Coin("a", 0), NewInt64Coin("b", 1), true},
}
for tcIndex, tc := range cases {
res := tc.inputOne.IsLT(tc.inputTwo)
require.Equal(t, tc.expected, res, "coin LT relation is incorrect, tc #%d", tcIndex)
}
}
func TestIsEqualCoin(t *testing.T) {
cases := []struct {
inputOne Coin
inputTwo Coin
expected bool
}{
{NewInt64Coin("A", 1), NewInt64Coin("A", 1), true},
{NewInt64Coin("A", 1), NewInt64Coin("a", 1), false},
{NewInt64Coin("a", 1), NewInt64Coin("b", 1), false},
{NewInt64Coin("steak", 1), NewInt64Coin("steak", 10), false},
{NewInt64Coin("steak", -11), NewInt64Coin("steak", 10), false},
}
for tcIndex, tc := range cases {
res := tc.inputOne.IsEqual(tc.inputTwo)
require.Equal(t, tc.expected, res, "coin equality relation is incorrect, tc #%d", tcIndex)
}
}
func TestPlusCoin(t *testing.T) {
cases := []struct {
inputOne Coin
inputTwo Coin
expected Coin
}{
{NewInt64Coin("A", 1), NewInt64Coin("A", 1), NewInt64Coin("A", 2)},
{NewInt64Coin("A", 1), NewInt64Coin("B", 1), NewInt64Coin("A", 1)},
{NewInt64Coin("asdf", -4), NewInt64Coin("asdf", 5), NewInt64Coin("asdf", 1)},
}
for tcIndex, tc := range cases {
res := tc.inputOne.Plus(tc.inputTwo)
require.Equal(t, tc.expected, res, "sum of coins is incorrect, tc #%d", tcIndex)
}
tc := struct {
inputOne Coin
inputTwo Coin
expected int64
}{NewInt64Coin("asdf", -1), NewInt64Coin("asdf", 1), 0}
res := tc.inputOne.Plus(tc.inputTwo)
require.Equal(t, tc.expected, res.Amount.Int64())
}
func TestMinusCoin(t *testing.T) {
cases := []struct {
inputOne Coin
inputTwo Coin
expected Coin
}{
{NewInt64Coin("A", 1), NewInt64Coin("B", 1), NewInt64Coin("A", 1)},
{NewInt64Coin("asdf", -4), NewInt64Coin("asdf", 5), NewInt64Coin("asdf", -9)},
{NewInt64Coin("asdf", 10), NewInt64Coin("asdf", 1), NewInt64Coin("asdf", 9)},
}
for tcIndex, tc := range cases {
res := tc.inputOne.Minus(tc.inputTwo)
require.Equal(t, tc.expected, res, "difference of coins is incorrect, tc #%d", tcIndex)
}
tc := struct {
inputOne Coin
inputTwo Coin
expected int64
}{NewInt64Coin("A", 1), NewInt64Coin("A", 1), 0}
res := tc.inputOne.Minus(tc.inputTwo)
require.Equal(t, tc.expected, res.Amount.Int64())
}
func TestIsZeroCoins(t *testing.T) {
cases := []struct {
inputOne Coins
expected bool
}{
{Coins{}, true},
{Coins{NewInt64Coin("A", 0)}, true},
{Coins{NewInt64Coin("A", 0), NewInt64Coin("B", 0)}, true},
{Coins{NewInt64Coin("A", 1)}, false},
{Coins{NewInt64Coin("A", 0), NewInt64Coin("B", 1)}, false},
}
for _, tc := range cases {
res := tc.inputOne.IsZero()
require.Equal(t, tc.expected, res)
}
}
func TestEqualCoins(t *testing.T) {
cases := []struct {
inputOne Coins
inputTwo Coins
expected bool
}{
{Coins{}, Coins{}, true},
{Coins{NewInt64Coin("A", 0)}, Coins{NewInt64Coin("A", 0)}, true},
{Coins{NewInt64Coin("A", 0), NewInt64Coin("B", 1)}, Coins{NewInt64Coin("A", 0), NewInt64Coin("B", 1)}, true},
{Coins{NewInt64Coin("A", 0)}, Coins{NewInt64Coin("B", 0)}, false},
{Coins{NewInt64Coin("A", 0)}, Coins{NewInt64Coin("A", 1)}, false},
{Coins{NewInt64Coin("A", 0)}, Coins{NewInt64Coin("A", 0), NewInt64Coin("B", 1)}, false},
// TODO: is it expected behaviour? shouldn't we sort the coins before comparing them?
{Coins{NewInt64Coin("A", 0), NewInt64Coin("B", 1)}, Coins{NewInt64Coin("B", 1), NewInt64Coin("A", 0)}, false},
}
for tcnum, tc := range cases {
res := tc.inputOne.IsEqual(tc.inputTwo)
require.Equal(t, tc.expected, res, "Equality is differed from expected. tc #%d, expected %b, actual %b.", tcnum, tc.expected, res)
}
}
func TestCoins(t *testing.T) {
//Define the coins to be used in tests
good := Coins{
{"GAS", NewInt(1)},
{"MINERAL", NewInt(1)},
{"TREE", NewInt(1)},
}
neg := good.Negative()
sum := good.Plus(neg)
empty := Coins{
{"GOLD", NewInt(0)},
}
null := Coins{}
badSort1 := Coins{
{"TREE", NewInt(1)},
{"GAS", NewInt(1)},
{"MINERAL", NewInt(1)},
}
// both are after the first one, but the second and third are in the wrong order
badSort2 := Coins{
{"GAS", NewInt(1)},
{"TREE", NewInt(1)},
{"MINERAL", NewInt(1)},
}
badAmt := Coins{
{"GAS", NewInt(1)},
{"TREE", NewInt(0)},
{"MINERAL", NewInt(1)},
}
dup := Coins{
{"GAS", NewInt(1)},
{"GAS", NewInt(1)},
{"MINERAL", NewInt(1)},
}
assert.True(t, good.IsValid(), "Coins are valid")
assert.True(t, good.IsPositive(), "Expected coins to be positive: %v", good)
assert.False(t, null.IsPositive(), "Expected coins to not be positive: %v", null)
assert.True(t, good.IsGTE(empty), "Expected %v to be >= %v", good, empty)
assert.False(t, good.IsLT(empty), "Expected %v to be < %v", good, empty)
assert.True(t, empty.IsLT(good), "Expected %v to be < %v", empty, good)
assert.False(t, neg.IsPositive(), "Expected neg coins to not be positive: %v", neg)
assert.Zero(t, len(sum), "Expected 0 coins")
assert.False(t, badSort1.IsValid(), "Coins are not sorted")
assert.False(t, badSort2.IsValid(), "Coins are not sorted")
assert.False(t, badAmt.IsValid(), "Coins cannot include 0 amounts")
assert.False(t, dup.IsValid(), "Duplicate coin")
}
func TestPlusCoins(t *testing.T) {
one := NewInt(1)
zero := NewInt(0)
negone := NewInt(-1)
two := NewInt(2)
cases := []struct {
inputOne Coins
inputTwo Coins
expected Coins
}{
{Coins{{"A", one}, {"B", one}}, Coins{{"A", one}, {"B", one}}, Coins{{"A", two}, {"B", two}}},
{Coins{{"A", zero}, {"B", one}}, Coins{{"A", zero}, {"B", zero}}, Coins{{"B", one}}},
{Coins{{"A", zero}, {"B", zero}}, Coins{{"A", zero}, {"B", zero}}, Coins(nil)},
{Coins{{"A", one}, {"B", zero}}, Coins{{"A", negone}, {"B", zero}}, Coins(nil)},
{Coins{{"A", negone}, {"B", zero}}, Coins{{"A", zero}, {"B", zero}}, Coins{{"A", negone}}},
}
for tcIndex, tc := range cases {
res := tc.inputOne.Plus(tc.inputTwo)
assert.True(t, res.IsValid())
require.Equal(t, tc.expected, res, "sum of coins is incorrect, tc #%d", tcIndex)
}
}
//Test the parsing of Coin and Coins
func TestParse(t *testing.T) {
one := NewInt(1)
cases := []struct {
input string
valid bool // if false, we expect an error on parse
expected Coins // if valid is true, make sure this is returned
}{
{"", true, nil},
{"1foo", true, Coins{{"foo", one}}},
{"10bar", true, Coins{{"bar", NewInt(10)}}},
{"99bar,1foo", true, Coins{{"bar", NewInt(99)}, {"foo", one}}},
{"98 bar , 1 foo ", true, Coins{{"bar", NewInt(98)}, {"foo", one}}},
{" 55\t \t bling\n", true, Coins{{"bling", NewInt(55)}}},
{"2foo, 97 bar", true, Coins{{"bar", NewInt(97)}, {"foo", NewInt(2)}}},
{"5 mycoin,", false, nil}, // no empty coins in a list
{"2 3foo, 97 bar", false, nil}, // 3foo is invalid coin name
{"11me coin, 12you coin", false, nil}, // no spaces in coin names
{"1.2btc", false, nil}, // amount must be integer
{"5foo-bar", false, nil}, // once more, only letters in coin name
}
for tcIndex, tc := range cases {
res, err := ParseCoins(tc.input)
if !tc.valid {
require.NotNil(t, err, "%s: %#v. tc #%d", tc.input, res, tcIndex)
} else if assert.Nil(t, err, "%s: %+v", tc.input, err) {
require.Equal(t, tc.expected, res, "coin parsing was incorrect, tc #%d", tcIndex)
}
}
}
func TestSortCoins(t *testing.T) {
good := Coins{
NewInt64Coin("GAS", 1),
NewInt64Coin("MINERAL", 1),
NewInt64Coin("TREE", 1),
}
empty := Coins{
NewInt64Coin("GOLD", 0),
}
badSort1 := Coins{
NewInt64Coin("TREE", 1),
NewInt64Coin("GAS", 1),
NewInt64Coin("MINERAL", 1),
}
badSort2 := Coins{ // both are after the first one, but the second and third are in the wrong order
NewInt64Coin("GAS", 1),
NewInt64Coin("TREE", 1),
NewInt64Coin("MINERAL", 1),
}
badAmt := Coins{
NewInt64Coin("GAS", 1),
NewInt64Coin("TREE", 0),
NewInt64Coin("MINERAL", 1),
}
dup := Coins{
NewInt64Coin("GAS", 1),
NewInt64Coin("GAS", 1),
NewInt64Coin("MINERAL", 1),
}
cases := []struct {
coins Coins
before, after bool // valid before/after sort
}{
{good, true, true},
{empty, false, false},
{badSort1, false, true},
{badSort2, false, true},
{badAmt, false, false},
{dup, false, false},
}
for tcIndex, tc := range cases {
require.Equal(t, tc.before, tc.coins.IsValid(), "coin validity is incorrect before sorting, tc #%d", tcIndex)
tc.coins.Sort()
require.Equal(t, tc.after, tc.coins.IsValid(), "coin validity is incorrect after sorting, tc #%d", tcIndex)
}
}
func TestAmountOf(t *testing.T) {
case0 := Coins{}
case1 := Coins{
NewInt64Coin("", 0),
}
case2 := Coins{
NewInt64Coin(" ", 0),
}
case3 := Coins{
NewInt64Coin("GOLD", 0),
}
case4 := Coins{
NewInt64Coin("GAS", 1),
NewInt64Coin("MINERAL", 1),
NewInt64Coin("TREE", 1),
}
case5 := Coins{
NewInt64Coin("MINERAL", 1),
NewInt64Coin("TREE", 1),
}
case6 := Coins{
NewInt64Coin("", 6),
}
case7 := Coins{
NewInt64Coin(" ", 7),
}
case8 := Coins{
NewInt64Coin("GAS", 8),
}
cases := []struct {
coins Coins
amountOf int64
amountOfSpace int64
amountOfGAS int64
amountOfMINERAL int64
amountOfTREE int64
}{
{case0, 0, 0, 0, 0, 0},
{case1, 0, 0, 0, 0, 0},
{case2, 0, 0, 0, 0, 0},
{case3, 0, 0, 0, 0, 0},
{case4, 0, 0, 1, 1, 1},
{case5, 0, 0, 0, 1, 1},
{case6, 6, 0, 0, 0, 0},
{case7, 0, 7, 0, 0, 0},
{case8, 0, 0, 8, 0, 0},
}
for _, tc := range cases {
assert.Equal(t, NewInt(tc.amountOf), tc.coins.AmountOf(""))
assert.Equal(t, NewInt(tc.amountOfSpace), tc.coins.AmountOf(" "))
assert.Equal(t, NewInt(tc.amountOfGAS), tc.coins.AmountOf("GAS"))
assert.Equal(t, NewInt(tc.amountOfMINERAL), tc.coins.AmountOf("MINERAL"))
assert.Equal(t, NewInt(tc.amountOfTREE), tc.coins.AmountOf("TREE"))
}
}