mirror of
https://github.com/gohugoio/hugo.git
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124 lines
2.9 KiB
Go
124 lines
2.9 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package collections
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import (
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"errors"
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"testing"
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qt "github.com/frankban/quicktest"
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)
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var (
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_ Slicer = (*tstSlicer)(nil)
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_ Slicer = (*tstSlicerIn1)(nil)
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_ Slicer = (*tstSlicerIn2)(nil)
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_ testSlicerInterface = (*tstSlicerIn1)(nil)
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_ testSlicerInterface = (*tstSlicerIn1)(nil)
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)
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type testSlicerInterface interface {
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Name() string
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}
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type testSlicerInterfaces []testSlicerInterface
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type tstSlicerIn1 struct {
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TheName string
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}
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type tstSlicerIn2 struct {
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TheName string
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}
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type tstSlicer struct {
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TheName string
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}
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func (p *tstSlicerIn1) Slice(in any) (any, error) {
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items := in.([]any)
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result := make(testSlicerInterfaces, len(items))
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for i, v := range items {
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switch vv := v.(type) {
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case testSlicerInterface:
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result[i] = vv
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default:
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return nil, errors.New("invalid type")
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}
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}
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return result, nil
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}
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func (p *tstSlicerIn2) Slice(in any) (any, error) {
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items := in.([]any)
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result := make(testSlicerInterfaces, len(items))
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for i, v := range items {
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switch vv := v.(type) {
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case testSlicerInterface:
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result[i] = vv
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default:
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return nil, errors.New("invalid type")
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}
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}
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return result, nil
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}
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func (p *tstSlicerIn1) Name() string {
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return p.TheName
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}
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func (p *tstSlicerIn2) Name() string {
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return p.TheName
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}
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func (p *tstSlicer) Slice(in any) (any, error) {
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items := in.([]any)
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result := make(tstSlicers, len(items))
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for i, v := range items {
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switch vv := v.(type) {
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case *tstSlicer:
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result[i] = vv
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default:
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return nil, errors.New("invalid type")
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}
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}
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return result, nil
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}
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type tstSlicers []*tstSlicer
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func TestSlice(t *testing.T) {
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t.Parallel()
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c := qt.New(t)
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for i, test := range []struct {
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args []any
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expected any
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}{
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{[]any{"a", "b"}, []string{"a", "b"}},
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{[]any{&tstSlicer{"a"}, &tstSlicer{"b"}}, tstSlicers{&tstSlicer{"a"}, &tstSlicer{"b"}}},
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{[]any{&tstSlicer{"a"}, "b"}, []any{&tstSlicer{"a"}, "b"}},
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{[]any{}, []any{}},
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{[]any{nil}, []any{nil}},
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{[]any{5, "b"}, []any{5, "b"}},
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{[]any{&tstSlicerIn1{"a"}, &tstSlicerIn2{"b"}}, testSlicerInterfaces{&tstSlicerIn1{"a"}, &tstSlicerIn2{"b"}}},
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{[]any{&tstSlicerIn1{"a"}, &tstSlicer{"b"}}, []any{&tstSlicerIn1{"a"}, &tstSlicer{"b"}}},
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} {
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errMsg := qt.Commentf("[%d] %v", i, test.args)
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result := Slice(test.args...)
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c.Assert(test.expected, qt.DeepEquals, result, errMsg)
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}
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}
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