chunk_test.go

package goblin

import (
	"reflect"
	"testing"
)

func TestChunk(t *testing.T) {
	tests := []struct {
		name  string
		slice []string
		size  int
		want  [][]string
	}{
		{
			name:  "equal chunks",
			slice: []string{"a", "b", "c", "d"},
			size:  2,
			want:  [][]string{{"a", "b"}, {"c", "d"}},
		},
		{
			name:  "not equal chunks",
			slice: []string{"a", "b", "c", "d"},
			size:  3,
			want:  [][]string{{"a", "b", "c"}, {"d"}},
		},
		{
			name:  "chunk size is negative",
			slice: []string{"a", "b", "c", "d"},
			size:  -1,
			want:  [][]string{},
		},
		{
			name:  "slize is empty",
			slice: []string{},
			size:  5,
			want:  [][]string{},
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got := Chunk(tt.slice, tt.size)
			isEqual := reflect.DeepEqual(got, tt.want)

			if !isEqual {
				t.Errorf("Chunk() = %v, want %v", got, tt.want)
			}
		})
	}
}