mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-07 20:30:36 -05:00
60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
// Copyright 2017 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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"fmt"
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"testing"
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"github.com/gohugoio/hugo/deps"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestIndex(t *testing.T) {
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t.Parallel()
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ns := New(&deps.Deps{})
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for i, test := range []struct {
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item interface{}
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indices []interface{}
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expect interface{}
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isErr bool
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}{
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{[]int{0, 1}, []interface{}{0}, 0, false},
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{[]int{0, 1}, []interface{}{9}, nil, false}, // index out of range
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{[]uint{0, 1}, nil, []uint{0, 1}, false},
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{[][]int{{1, 2}, {3, 4}}, []interface{}{0, 0}, 1, false},
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{map[int]int{1: 10, 2: 20}, []interface{}{1}, 10, false},
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{map[int]int{1: 10, 2: 20}, []interface{}{0}, 0, false},
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// errors
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{nil, nil, nil, true},
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{[]int{0, 1}, []interface{}{"1"}, nil, true},
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{[]int{0, 1}, []interface{}{nil}, nil, true},
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{tstNoStringer{}, []interface{}{0}, nil, true},
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} {
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errMsg := fmt.Sprintf("[%d] %v", i, test)
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result, err := ns.Index(test.item, test.indices...)
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if test.isErr {
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require.Error(t, err, errMsg)
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continue
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}
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require.NoError(t, err, errMsg)
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assert.Equal(t, test.expect, result, errMsg)
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}
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}
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