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https://github.com/gohugoio/hugo.git
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31a8bb8c07
This commit consolidates the reflective collections handling in `.Scratch` vs the `tpl` package so they use the same code paths.
This commit also adds support for a corner case where a typed slice is appended to a nil or empty `[]interface{}`.
Fixes #5275
70 lines
2.1 KiB
Go
70 lines
2.1 KiB
Go
// Copyright 2018 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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"reflect"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestAppend(t *testing.T) {
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t.Parallel()
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for i, test := range []struct {
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start interface{}
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addend []interface{}
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expected interface{}
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}{
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{[]string{"a", "b"}, []interface{}{"c"}, []string{"a", "b", "c"}},
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{[]string{"a", "b"}, []interface{}{"c", "d", "e"}, []string{"a", "b", "c", "d", "e"}},
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{[]string{"a", "b"}, []interface{}{[]string{"c", "d", "e"}}, []string{"a", "b", "c", "d", "e"}},
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{nil, []interface{}{"a", "b"}, []string{"a", "b"}},
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{nil, []interface{}{nil}, []interface{}{nil}},
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{[]interface{}{}, []interface{}{[]string{"c", "d", "e"}}, []string{"c", "d", "e"}},
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{tstSlicers{&tstSlicer{"a"}, &tstSlicer{"b"}},
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[]interface{}{&tstSlicer{"c"}},
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tstSlicers{&tstSlicer{"a"}, &tstSlicer{"b"}, &tstSlicer{"c"}}},
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{&tstSlicers{&tstSlicer{"a"}, &tstSlicer{"b"}},
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[]interface{}{&tstSlicer{"c"}},
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tstSlicers{&tstSlicer{"a"},
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&tstSlicer{"b"},
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&tstSlicer{"c"}}},
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// Errors
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{"", []interface{}{[]string{"a", "b"}}, false},
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// No string concatenation.
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{"ab",
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[]interface{}{"c"},
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false},
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} {
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errMsg := fmt.Sprintf("[%d]", i)
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result, err := Append(test.start, test.addend...)
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if b, ok := test.expected.(bool); ok && !b {
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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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if !reflect.DeepEqual(test.expected, result) {
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t.Fatalf("%s got\n%T: %v\nexpected\n%T: %v", errMsg, result, result, test.expected, test.expected)
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}
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}
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}
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