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package funk
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestZipEmptyResult(t *testing.T) {
map1 := map[string]int{"a": 1, "b": 2}
array1 := []int{21, 22, 23}
emptySlice := []int{}
t.Run("NonSliceOrArray", func(t *testing.T) {
assert.Panics(t, func() { Zip(map1, array1) }, "It should panic")
})
t.Run("ZerosSized", func(t *testing.T) {
expected := []Tuple{}
result := Zip(emptySlice, array1)
assert.Equal(t, result, expected)
})
}
func zipIntsAndAssert(t *testing.T, data1, data2 interface{}) {
t.Run("FirstOneShorter", func(t *testing.T) {
expected := []Tuple{
{Element1: 11, Element2: 21},
{Element1: 12, Element2: 22},
{Element1: 13, Element2: 23},
}
result := Zip(data1, data2)
assert.Equal(t, result, expected)
})
t.Run("SecondOneShorter", func(t *testing.T) {
expected := []Tuple{
{Element1: 21, Element2: 11},
{Element1: 22, Element2: 12},
{Element1: 23, Element2: 13},
}
result := Zip(data2, data1)
assert.Equal(t, result, expected)
})
}
func TestZipSlices(t *testing.T) {
slice1 := []int{11, 12, 13}
slice2 := []int{21, 22, 23, 24, 25}
zipIntsAndAssert(t, slice1, slice2)
}
func TestZipArrays(t *testing.T) {
array1 := [...]int{11, 12, 13}
array2 := [...]int{21, 22, 23, 24, 25}
zipIntsAndAssert(t, array1, array2)
}
func TestZipStructs(t *testing.T) {
type struct1 struct {
Member1 uint16
Member2 string
}
type struct2 struct {
Member3 bool
}
type struct3 struct {
Member4 int
Member5 struct2
}
slice1 := []struct1{
{
Member1: 11,
Member2: "a",
},
{
Member1: 12,
Member2: "b",
},
{
Member1: 13,
Member2: "c",
},
}
slice2 := []struct3{
{
Member4: 21,
Member5: struct2{
Member3: false,
},
},
{
Member4: 22,
Member5: struct2{
Member3: true,
},
},
}
expected := []Tuple{
{
Element1: struct1{
Member1: 11,
Member2: "a",
},
Element2: struct3{
Member4: 21,
Member5: struct2{
Member3: false,
},
},
},
{
Element1: struct1{
Member1: 12,
Member2: "b",
},
Element2: struct3{
Member4: 22,
Member5: struct2{
Member3: true,
},
},
},
}
result := Zip(slice1, slice2)
assert.Equal(t, expected, result)
}
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