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ntool/narr/util_test.go

129 lines
3.4 KiB
Go

package narr_test
import (
"fmt"
"git.noahlan.cn/noahlan/ntool/narr"
"git.noahlan.cn/noahlan/ntool/ntest/assert"
"testing"
)
func TestReverse(t *testing.T) {
ss := []string{"a", "b", "c"}
narr.Reverse(ss)
assert.Eq(t, []string{"c", "b", "a"}, ss)
}
func TestStringsRemove(t *testing.T) {
ss := []string{"a", "b", "c"}
ns := narr.StringsRemove(ss, "b")
assert.Contains(t, ns, "a")
assert.NotContains(t, ns, "b")
assert.Len(t, ns, 2)
}
func TestStringsFilter(t *testing.T) {
is := assert.New(t)
ss := narr.StringsFilter([]string{"a", "", "b", ""})
is.Eq([]string{"a", "b"}, ss)
}
func TestTrimStrings(t *testing.T) {
is := assert.New(t)
// TrimStrings
ss := narr.TrimStrings([]string{" a", "b ", " c "})
is.Eq("[a b c]", fmt.Sprint(ss))
ss = narr.TrimStrings([]string{",a", "b.", ",.c,"}, ",.")
is.Eq("[a b c]", fmt.Sprint(ss))
ss = narr.TrimStrings([]string{",a", "b.", ",.c,"}, ",", ".")
is.Eq("[a b c]", fmt.Sprint(ss))
}
func TestGetRandomOne(t *testing.T) {
is := assert.New(t)
// int slice
intSlice := []int{1, 2, 3, 4, 5, 6}
intVal := narr.GetRandomOne(intSlice)
intVal1 := narr.GetRandomOne(intSlice)
for intVal == intVal1 {
intVal1 = narr.GetRandomOne(intSlice)
}
assert.IsType(t, 0, intVal)
is.True(narr.HasValue(intSlice, intVal))
assert.IsType(t, 0, intVal1)
is.True(narr.HasValue(intSlice, intVal1))
assert.NotEq(t, intVal, intVal1)
// int array
intArray := []int{1, 2, 3, 4, 5, 6}
intReturned := narr.GetRandomOne(intArray)
intReturned1 := narr.GetRandomOne(intArray)
for intReturned == intReturned1 {
intReturned1 = narr.GetRandomOne(intArray)
}
assert.IsType(t, 0, intReturned)
is.True(narr.Contains(intArray, intReturned))
assert.IsType(t, 0, intReturned1)
is.True(narr.Contains(intArray, intReturned1))
assert.NotEq(t, intReturned, intReturned1)
// string slice
strSlice := []string{"aa", "bb", "cc", "dd"}
strVal := narr.GetRandomOne(strSlice)
strVal1 := narr.GetRandomOne(strSlice)
for strVal == strVal1 {
strVal1 = narr.GetRandomOne(strSlice)
}
assert.IsType(t, "", strVal)
is.True(narr.Contains(strSlice, strVal))
assert.IsType(t, "", strVal1)
is.True(narr.Contains(strSlice, strVal1))
assert.NotEq(t, strVal, strVal1)
// string array
strArray := []string{"aa", "bb", "cc", "dd"}
strReturned := narr.GetRandomOne(strArray)
strReturned1 := narr.GetRandomOne(strArray)
for strReturned == strReturned1 {
strReturned1 = narr.GetRandomOne(strArray)
}
assert.IsType(t, "", strReturned)
is.True(narr.Contains(strArray, strReturned))
assert.IsType(t, "", strReturned1)
is.True(narr.Contains(strArray, strReturned1))
assert.NotEq(t, strReturned, strReturned1)
// byte slice
byteSlice := []byte("abcdefg")
byteVal := narr.GetRandomOne(byteSlice)
byteVal1 := narr.GetRandomOne(byteSlice)
for byteVal == byteVal1 {
byteVal1 = narr.GetRandomOne(byteSlice)
}
assert.IsType(t, byte('a'), byteVal)
is.True(narr.Contains(byteSlice, byteVal))
assert.IsType(t, byte('a'), byteVal1)
is.True(narr.Contains(byteSlice, byteVal1))
assert.NotEq(t, byteVal, byteVal1)
is.Panics(func() {
narr.RandomOne([]int{})
})
}
func TestUnique(t *testing.T) {
assert.Eq(t, []int{2, 3, 4}, narr.Unique[int]([]int{2, 3, 2, 4}))
assert.Eq(t, []uint{2, 3, 4}, narr.Unique([]uint{2, 3, 2, 4}))
assert.Eq(t, []string{"ab", "bc", "cd"}, narr.Unique([]string{"ab", "bc", "ab", "cd"}))
assert.Eq(t, 1, narr.IndexOf(3, []int{2, 3, 4}))
assert.Eq(t, -1, narr.IndexOf(5, []int{2, 3, 4}))
}