| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package array_test |
| |
| import ( |
| "reflect" |
| "testing" |
| |
| "github.com/apache/arrow/go/v6/arrow" |
| "github.com/apache/arrow/go/v6/arrow/array" |
| "github.com/apache/arrow/go/v6/arrow/memory" |
| ) |
| |
| func TestListArray(t *testing.T) { |
| pool := memory.NewCheckedAllocator(memory.NewGoAllocator()) |
| defer pool.AssertSize(t, 0) |
| |
| var ( |
| vs = []int32{0, 1, 2, 3, 4, 5, 6} |
| lengths = []int{3, 0, 4} |
| isValid = []bool{true, false, true} |
| offsets = []int32{0, 3, 3, 7} |
| ) |
| |
| lb := array.NewListBuilder(pool, arrow.PrimitiveTypes.Int32) |
| defer lb.Release() |
| |
| for i := 0; i < 10; i++ { |
| vb := lb.ValueBuilder().(*array.Int32Builder) |
| vb.Reserve(len(vs)) |
| |
| pos := 0 |
| for i, length := range lengths { |
| lb.Append(isValid[i]) |
| for j := 0; j < length; j++ { |
| vb.Append(vs[pos]) |
| pos++ |
| } |
| } |
| |
| arr := lb.NewArray().(*array.List) |
| defer arr.Release() |
| |
| arr.Retain() |
| arr.Release() |
| |
| if got, want := arr.DataType().ID(), arrow.LIST; got != want { |
| t.Fatalf("got=%v, want=%v", got, want) |
| } |
| |
| if got, want := arr.Len(), len(isValid); got != want { |
| t.Fatalf("got=%d, want=%d", got, want) |
| } |
| |
| for i := range lengths { |
| if got, want := arr.IsValid(i), isValid[i]; got != want { |
| t.Fatalf("got[%d]=%v, want[%d]=%v", i, got, i, want) |
| } |
| if got, want := arr.IsNull(i), lengths[i] == 0; got != want { |
| t.Fatalf("got[%d]=%v, want[%d]=%v", i, got, i, want) |
| } |
| } |
| |
| if got, want := arr.Offsets(), offsets; !reflect.DeepEqual(got, want) { |
| t.Fatalf("got=%v, want=%v", got, want) |
| } |
| |
| varr := arr.ListValues().(*array.Int32) |
| if got, want := varr.Int32Values(), vs; !reflect.DeepEqual(got, want) { |
| t.Fatalf("got=%v, want=%v", got, want) |
| } |
| } |
| } |
| |
| func TestListArrayEmpty(t *testing.T) { |
| pool := memory.NewCheckedAllocator(memory.NewGoAllocator()) |
| defer pool.AssertSize(t, 0) |
| |
| lb := array.NewListBuilder(pool, arrow.PrimitiveTypes.Int32) |
| defer lb.Release() |
| arr := lb.NewArray().(*array.List) |
| defer arr.Release() |
| if got, want := arr.Len(), 0; got != want { |
| t.Fatalf("got=%d, want=%d", got, want) |
| } |
| } |
| |
| func TestListArrayBulkAppend(t *testing.T) { |
| pool := memory.NewCheckedAllocator(memory.NewGoAllocator()) |
| defer pool.AssertSize(t, 0) |
| |
| var ( |
| vs = []int32{0, 1, 2, 3, 4, 5, 6} |
| lengths = []int{3, 0, 4} |
| isValid = []bool{true, false, true} |
| offsets = []int32{0, 3, 3, 7} |
| ) |
| |
| lb := array.NewListBuilder(pool, arrow.PrimitiveTypes.Int32) |
| defer lb.Release() |
| vb := lb.ValueBuilder().(*array.Int32Builder) |
| vb.Reserve(len(vs)) |
| |
| lb.AppendValues(offsets, isValid) |
| for _, v := range vs { |
| vb.Append(v) |
| } |
| |
| arr := lb.NewArray().(*array.List) |
| defer arr.Release() |
| |
| if got, want := arr.DataType().ID(), arrow.LIST; got != want { |
| t.Fatalf("got=%v, want=%v", got, want) |
| } |
| |
| if got, want := arr.Len(), len(isValid); got != want { |
| t.Fatalf("got=%d, want=%d", got, want) |
| } |
| |
| for i := range lengths { |
| if got, want := arr.IsValid(i), isValid[i]; got != want { |
| t.Fatalf("got[%d]=%v, want[%d]=%v", i, got, i, want) |
| } |
| if got, want := arr.IsNull(i), lengths[i] == 0; got != want { |
| t.Fatalf("got[%d]=%v, want[%d]=%v", i, got, i, want) |
| } |
| } |
| |
| if got, want := arr.Offsets(), offsets; !reflect.DeepEqual(got, want) { |
| t.Fatalf("got=%v, want=%v", got, want) |
| } |
| |
| varr := arr.ListValues().(*array.Int32) |
| if got, want := varr.Int32Values(), vs; !reflect.DeepEqual(got, want) { |
| t.Fatalf("got=%v, want=%v", got, want) |
| } |
| } |
| |
| func TestListArraySlice(t *testing.T) { |
| pool := memory.NewCheckedAllocator(memory.NewGoAllocator()) |
| defer pool.AssertSize(t, 0) |
| |
| var ( |
| vs = []int32{0, 1, 2, 3, 4, 5, 6} |
| lengths = []int{3, 0, 4} |
| isValid = []bool{true, false, true} |
| offsets = []int32{0, 3, 3, 7} |
| ) |
| |
| lb := array.NewListBuilder(pool, arrow.PrimitiveTypes.Int32) |
| defer lb.Release() |
| vb := lb.ValueBuilder().(*array.Int32Builder) |
| vb.Reserve(len(vs)) |
| |
| lb.AppendValues(offsets, isValid) |
| for _, v := range vs { |
| vb.Append(v) |
| } |
| |
| arr := lb.NewArray().(*array.List) |
| defer arr.Release() |
| |
| if got, want := arr.DataType().ID(), arrow.LIST; got != want { |
| t.Fatalf("got=%v, want=%v", got, want) |
| } |
| |
| if got, want := arr.Len(), len(isValid); got != want { |
| t.Fatalf("got=%d, want=%d", got, want) |
| } |
| |
| for i := range lengths { |
| if got, want := arr.IsValid(i), isValid[i]; got != want { |
| t.Fatalf("got[%d]=%v, want[%d]=%v", i, got, i, want) |
| } |
| if got, want := arr.IsNull(i), lengths[i] == 0; got != want { |
| t.Fatalf("got[%d]=%v, want[%d]=%v", i, got, i, want) |
| } |
| } |
| |
| if got, want := arr.Offsets(), offsets; !reflect.DeepEqual(got, want) { |
| t.Fatalf("got=%v, want=%v", got, want) |
| } |
| |
| varr := arr.ListValues().(*array.Int32) |
| if got, want := varr.Int32Values(), vs; !reflect.DeepEqual(got, want) { |
| t.Fatalf("got=%v, want=%v", got, want) |
| } |
| |
| if got, want := arr.String(), `[[0 1 2] (null) [3 4 5 6]]`; got != want { |
| t.Fatalf("got=%q, want=%q", got, want) |
| } |
| |
| sub := array.NewSlice(arr, 1, 3).(*array.List) |
| defer sub.Release() |
| |
| if got, want := sub.String(), `[(null) [3 4 5 6]]`; got != want { |
| t.Fatalf("got=%q, want=%q", got, want) |
| } |
| } |