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ensure correct configuration of workers count per namespace
+ minor refactoring
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package util | ||
|
|
||
| import "testing" | ||
|
|
||
| func TestRepeatSlice(t *testing.T) { | ||
| t.Run("when input slice is nil should return nil", func(t *testing.T) { | ||
| got := RepeatSlice[int](nil, 5) | ||
| if got != nil { | ||
| t.Errorf("RepeatSlice produced non-nil slice from nil input") | ||
| } | ||
| }) | ||
| t.Run("when input slice is empty should return empty", func(t *testing.T) { | ||
| empty := []int{} | ||
| got := RepeatSlice(empty, 5) | ||
| if len(got) != 0 { | ||
| t.Errorf("RepeatSlice filled empty slice") | ||
| } | ||
| }) | ||
| t.Run("when requested repeat number equal 0 should return empty slice", func(t *testing.T) { | ||
| xs := []int{1, 2, 3, 4, 5} | ||
| got := RepeatSlice(xs, 0) | ||
| if len(got) != 0 { | ||
| t.Errorf("RepeatSlice with repeat count 0 returned non-empty slice") | ||
| } | ||
| }) | ||
| t.Run("when requested repeat number is less than 0 should return empty slice", func(t *testing.T) { | ||
| xs := []int{1, 2, 3, 4, 5} | ||
| got := RepeatSlice(xs, -1) | ||
| if len(got) != 0 { | ||
| t.Errorf("RepeatSlice with repeat count -1 returned non-empty slice") | ||
| } | ||
| }) | ||
| t.Run("when requested repeat number is 3 should return slice three times the input", func(t *testing.T) { | ||
| xs := []int{1, 2, 3, 4, 5} | ||
| got := RepeatSlice(xs, 3) | ||
| if len(got) != len(xs)*3 { | ||
| t.Errorf("RepeatSlice produced slice of wrong length: expected %d got %d", len(xs)*3, len(got)) | ||
| } | ||
| for i, v := range got { | ||
| if v != xs[i%len(xs)] { | ||
| t.Errorf("RepeatSlice wrong value in result: expected %d at index %d but got %d", xs[i%len(xs)], i, v) | ||
| } | ||
| } | ||
| }) | ||
| t.Run("should not change the input slice when truncating", func(t *testing.T) { | ||
| xs := []int{1, 2, 3, 4, 5} | ||
| _ = RepeatSlice(xs, 0) | ||
| if len(xs) != 5 { | ||
| t.Errorf("Repeat slice trancated the original slice: expected {1, 2, 3, 4, 5}, got %v", xs) | ||
| } | ||
| }) | ||
| t.Run("should not change the input slice when replicating", func(t *testing.T) { | ||
| xs := []int{1, 2, 3, 4, 5} | ||
| _ = RepeatSlice(xs, 5) | ||
| if len(xs) != 5 { | ||
| t.Errorf("Repeat slice changed the original slice: expected {1, 2, 3, 4, 5}, got %v", xs) | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| func TestMapSlice(t *testing.T) { | ||
| t.Run("when given nil as slice should return nil", func(t *testing.T) { | ||
| ys := MapSlice(nil, func(x int) uint32 { return uint32(x) }) | ||
| if ys != nil { | ||
| t.Errorf("mapping over nil produced non nil got %v", ys) | ||
| } | ||
| }) | ||
| t.Run("when given an empty slice should return empty slice", func(t *testing.T) { | ||
| xs := []int{} | ||
| var ys []uint32 | ||
| ys = MapSlice(xs, func(x int) uint32 { return uint32(x) }) | ||
| if len(ys) != 0 { | ||
| t.Errorf("mapping over empty slice produced non empty slice got %v", ys) | ||
| } | ||
| }) | ||
| t.Run("when given a slice and a function should apply function to every element of the original slice", func(t *testing.T) { | ||
| xs := []int{1, 2, 3, 4, 5} | ||
| ys := MapSlice(xs, func(x int) int { return x + 2 }) | ||
| for i, y := range ys { | ||
| if y != (xs[i] + 1) { | ||
| t.Fatalf("mapping over slice did not apply function expected {2, 3, 4, 5} got %v", ys) | ||
| } | ||
| } | ||
| }) | ||
| } |
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