293 lines
8.1 KiB
Go
293 lines
8.1 KiB
Go
package types
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import (
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestNewDecCoin(t *testing.T) {
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require.NotPanics(t, func() {
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NewInt64DecCoin(testDenom1, 5)
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})
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require.NotPanics(t, func() {
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NewInt64DecCoin(testDenom1, 0)
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})
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require.Panics(t, func() {
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NewInt64DecCoin(strings.ToUpper(testDenom1), 5)
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})
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require.Panics(t, func() {
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NewInt64DecCoin(testDenom1, -5)
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})
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}
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func TestNewDecCoinFromDec(t *testing.T) {
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require.NotPanics(t, func() {
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NewDecCoinFromDec(testDenom1, NewDec(5))
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})
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require.NotPanics(t, func() {
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NewDecCoinFromDec(testDenom1, ZeroDec())
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})
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require.Panics(t, func() {
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NewDecCoinFromDec(strings.ToUpper(testDenom1), NewDec(5))
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})
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require.Panics(t, func() {
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NewDecCoinFromDec(testDenom1, NewDec(-5))
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})
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}
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func TestNewDecCoinFromCoin(t *testing.T) {
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require.NotPanics(t, func() {
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NewDecCoinFromCoin(Coin{testDenom1, NewInt(5)})
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})
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require.NotPanics(t, func() {
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NewDecCoinFromCoin(Coin{testDenom1, NewInt(0)})
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})
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require.Panics(t, func() {
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NewDecCoinFromCoin(Coin{strings.ToUpper(testDenom1), NewInt(5)})
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})
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require.Panics(t, func() {
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NewDecCoinFromCoin(Coin{testDenom1, NewInt(-5)})
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})
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}
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func TestDecCoinIsPositive(t *testing.T) {
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dc := NewInt64DecCoin(testDenom1, 5)
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require.True(t, dc.IsPositive())
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dc = NewInt64DecCoin(testDenom1, 0)
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require.False(t, dc.IsPositive())
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}
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func TestAddDecCoin(t *testing.T) {
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decCoinA1 := NewDecCoinFromDec(testDenom1, NewDecWithPrec(11, 1))
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decCoinA2 := NewDecCoinFromDec(testDenom1, NewDecWithPrec(22, 1))
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decCoinB1 := NewDecCoinFromDec(testDenom2, NewDecWithPrec(11, 1))
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// regular add
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res := decCoinA1.Add(decCoinA1)
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require.Equal(t, decCoinA2, res, "sum of coins is incorrect")
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// bad denom add
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require.Panics(t, func() {
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decCoinA1.Add(decCoinB1)
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}, "expected panic on sum of different denoms")
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}
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func TestAddDecCoins(t *testing.T) {
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one := NewDec(1)
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zero := NewDec(0)
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two := NewDec(2)
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cases := []struct {
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inputOne DecCoins
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inputTwo DecCoins
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expected DecCoins
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}{
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{DecCoins{{testDenom1, one}, {testDenom2, one}}, DecCoins{{testDenom1, one}, {testDenom2, one}}, DecCoins{{testDenom1, two}, {testDenom2, two}}},
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{DecCoins{{testDenom1, zero}, {testDenom2, one}}, DecCoins{{testDenom1, zero}, {testDenom2, zero}}, DecCoins{{testDenom2, one}}},
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{DecCoins{{testDenom1, zero}, {testDenom2, zero}}, DecCoins{{testDenom1, zero}, {testDenom2, zero}}, DecCoins(nil)},
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}
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for tcIndex, tc := range cases {
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res := tc.inputOne.Add(tc.inputTwo)
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require.Equal(t, tc.expected, res, "sum of coins is incorrect, tc #%d", tcIndex)
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}
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}
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func TestSortDecCoins(t *testing.T) {
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good := DecCoins{
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NewInt64DecCoin("gas", 1),
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NewInt64DecCoin("mineral", 1),
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NewInt64DecCoin("tree", 1),
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}
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empty := DecCoins{
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NewInt64DecCoin("gold", 0),
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}
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badSort1 := DecCoins{
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NewInt64DecCoin("tree", 1),
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NewInt64DecCoin("gas", 1),
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NewInt64DecCoin("mineral", 1),
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}
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badSort2 := DecCoins{ // both are after the first one, but the second and third are in the wrong order
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NewInt64DecCoin("gas", 1),
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NewInt64DecCoin("tree", 1),
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NewInt64DecCoin("mineral", 1),
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}
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badAmt := DecCoins{
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NewInt64DecCoin("gas", 1),
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NewInt64DecCoin("tree", 0),
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NewInt64DecCoin("mineral", 1),
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}
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dup := DecCoins{
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NewInt64DecCoin("gas", 1),
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NewInt64DecCoin("gas", 1),
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NewInt64DecCoin("mineral", 1),
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}
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cases := []struct {
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coins DecCoins
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before, after bool // valid before/after sort
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}{
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{good, true, true},
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{empty, false, false},
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{badSort1, false, true},
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{badSort2, false, true},
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{badAmt, false, false},
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{dup, false, false},
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}
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for tcIndex, tc := range cases {
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require.Equal(t, tc.before, tc.coins.IsValid(), "coin validity is incorrect before sorting, tc #%d", tcIndex)
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tc.coins.Sort()
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require.Equal(t, tc.after, tc.coins.IsValid(), "coin validity is incorrect after sorting, tc #%d", tcIndex)
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}
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}
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func TestDecCoinsIsValid(t *testing.T) {
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testCases := []struct {
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input DecCoins
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expected bool
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}{
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{DecCoins{}, true},
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{DecCoins{DecCoin{testDenom1, NewDec(5)}}, true},
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{DecCoins{DecCoin{testDenom1, NewDec(5)}, DecCoin{testDenom2, NewDec(100000)}}, true},
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{DecCoins{DecCoin{testDenom1, NewDec(-5)}}, false},
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{DecCoins{DecCoin{"AAA", NewDec(5)}}, false},
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{DecCoins{DecCoin{testDenom1, NewDec(5)}, DecCoin{"B", NewDec(100000)}}, false},
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{DecCoins{DecCoin{testDenom1, NewDec(5)}, DecCoin{testDenom2, NewDec(-100000)}}, false},
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{DecCoins{DecCoin{testDenom1, NewDec(-5)}, DecCoin{testDenom2, NewDec(100000)}}, false},
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{DecCoins{DecCoin{"AAA", NewDec(5)}, DecCoin{testDenom2, NewDec(100000)}}, false},
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}
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for i, tc := range testCases {
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res := tc.input.IsValid()
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require.Equal(t, tc.expected, res, "unexpected result for test case #%d, input: %v", i, tc.input)
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}
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}
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func TestParseDecCoins(t *testing.T) {
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testCases := []struct {
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input string
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expectedResult DecCoins
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expectedErr bool
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}{
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{"", nil, false},
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{"4stake", nil, true},
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{"5.5atom,4stake", nil, true},
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{"0.0stake", nil, true},
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{"0.004STAKE", nil, true},
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{
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"0.004stake",
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DecCoins{NewDecCoinFromDec("stake", NewDecWithPrec(4000000000000000, Precision))},
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false,
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},
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{
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"5.04atom,0.004stake",
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DecCoins{
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NewDecCoinFromDec("atom", NewDecWithPrec(5040000000000000000, Precision)),
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NewDecCoinFromDec("stake", NewDecWithPrec(4000000000000000, Precision)),
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},
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false,
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},
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}
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for i, tc := range testCases {
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res, err := ParseDecCoins(tc.input)
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if tc.expectedErr {
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require.Error(t, err, "expected error for test case #%d, input: %v", i, tc.input)
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} else {
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require.NoError(t, err, "unexpected error for test case #%d, input: %v", i, tc.input)
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require.Equal(t, tc.expectedResult, res, "unexpected result for test case #%d, input: %v", i, tc.input)
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}
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}
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}
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func TestDecCoinsString(t *testing.T) {
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testCases := []struct {
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input DecCoins
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expected string
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}{
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{DecCoins{}, ""},
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{
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DecCoins{
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NewDecCoinFromDec("atom", NewDecWithPrec(5040000000000000000, Precision)),
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NewDecCoinFromDec("stake", NewDecWithPrec(4000000000000000, Precision)),
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},
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"5.040000000000000000atom,0.004000000000000000stake",
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},
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}
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for i, tc := range testCases {
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out := tc.input.String()
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require.Equal(t, tc.expected, out, "unexpected result for test case #%d, input: %v", i, tc.input)
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}
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}
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func TestDecCoinsIntersect(t *testing.T) {
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testCases := []struct {
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input1 string
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input2 string
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expectedResult string
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}{
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{"", "", ""},
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{"1.0stake", "", ""},
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{"1.0stake", "1.0stake", "1.0stake"},
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{"", "1.0stake", ""},
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{"1.0stake", "", ""},
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{"2.0stake,1.0trope", "1.9stake", "1.9stake"},
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{"2.0stake,1.0trope", "2.1stake", "2.0stake"},
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{"2.0stake,1.0trope", "0.9trope", "0.9trope"},
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{"2.0stake,1.0trope", "1.9stake,0.9trope", "1.9stake,0.9trope"},
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{"2.0stake,1.0trope", "1.9stake,0.9trope,20.0other", "1.9stake,0.9trope"},
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{"2.0stake,1.0trope", "1.0other", ""},
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}
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for i, tc := range testCases {
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in1, err := ParseDecCoins(tc.input1)
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require.NoError(t, err, "unexpected parse error in %v", i)
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in2, err := ParseDecCoins(tc.input2)
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require.NoError(t, err, "unexpected parse error in %v", i)
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exr, err := ParseDecCoins(tc.expectedResult)
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require.NoError(t, err, "unexpected parse error in %v", i)
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require.True(t, in1.Intersect(in2).IsEqual(exr), "in1.cap(in2) != exr in %v", i)
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}
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}
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func TestDecCoinsTruncateDecimal(t *testing.T) {
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decCoinA := NewDecCoinFromDec("bar", MustNewDecFromStr("5.41"))
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decCoinB := NewDecCoinFromDec("foo", MustNewDecFromStr("6.00"))
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testCases := []struct {
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input DecCoins
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truncatedCoins Coins
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changeCoins DecCoins
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}{
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{DecCoins{}, Coins(nil), DecCoins(nil)},
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{
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DecCoins{decCoinA, decCoinB},
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Coins{NewInt64Coin(decCoinA.Denom, 5), NewInt64Coin(decCoinB.Denom, 6)},
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DecCoins{NewDecCoinFromDec(decCoinA.Denom, MustNewDecFromStr("0.41"))},
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},
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{
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DecCoins{decCoinB},
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Coins{NewInt64Coin(decCoinB.Denom, 6)},
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DecCoins(nil),
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},
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}
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for i, tc := range testCases {
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truncatedCoins, changeCoins := tc.input.TruncateDecimal()
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require.Equal(
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t, tc.truncatedCoins, truncatedCoins,
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"unexpected truncated coins; tc #%d, input: %s", i, tc.input,
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)
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require.Equal(
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t, tc.changeCoins, changeCoins,
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"unexpected change coins; tc #%d, input: %s", i, tc.input,
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)
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}
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}
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