github.com/anakojm/hugo-katex@v0.0.0-20231023141351-42d6f5de9c0b/common/collections/append_test.go (about)

     1  // Copyright 2018 The Hugo Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package collections
    15  
    16  import (
    17  	"html/template"
    18  	"testing"
    19  
    20  	qt "github.com/frankban/quicktest"
    21  )
    22  
    23  func TestAppend(t *testing.T) {
    24  	t.Parallel()
    25  	c := qt.New(t)
    26  
    27  	for i, test := range []struct {
    28  		start    any
    29  		addend   []any
    30  		expected any
    31  	}{
    32  		{[]string{"a", "b"}, []any{"c"}, []string{"a", "b", "c"}},
    33  		{[]string{"a", "b"}, []any{"c", "d", "e"}, []string{"a", "b", "c", "d", "e"}},
    34  		{[]string{"a", "b"}, []any{[]string{"c", "d", "e"}}, []string{"a", "b", "c", "d", "e"}},
    35  		{[]string{"a"}, []any{"b", template.HTML("c")}, []any{"a", "b", template.HTML("c")}},
    36  		{nil, []any{"a", "b"}, []string{"a", "b"}},
    37  		{nil, []any{nil}, []any{nil}},
    38  		{[]any{}, []any{[]string{"c", "d", "e"}}, []string{"c", "d", "e"}},
    39  		{
    40  			tstSlicers{&tstSlicer{"a"}, &tstSlicer{"b"}},
    41  			[]any{&tstSlicer{"c"}},
    42  			tstSlicers{&tstSlicer{"a"}, &tstSlicer{"b"}, &tstSlicer{"c"}},
    43  		},
    44  		{
    45  			&tstSlicers{&tstSlicer{"a"}, &tstSlicer{"b"}},
    46  			[]any{&tstSlicer{"c"}},
    47  			tstSlicers{
    48  				&tstSlicer{"a"},
    49  				&tstSlicer{"b"},
    50  				&tstSlicer{"c"},
    51  			},
    52  		},
    53  		{
    54  			testSlicerInterfaces{&tstSlicerIn1{"a"}, &tstSlicerIn1{"b"}},
    55  			[]any{&tstSlicerIn1{"c"}},
    56  			testSlicerInterfaces{&tstSlicerIn1{"a"}, &tstSlicerIn1{"b"}, &tstSlicerIn1{"c"}},
    57  		},
    58  		//https://github.com/gohugoio/hugo/issues/5361
    59  		{
    60  			[]string{"a", "b"},
    61  			[]any{tstSlicers{&tstSlicer{"a"}, &tstSlicer{"b"}}},
    62  			[]any{"a", "b", &tstSlicer{"a"}, &tstSlicer{"b"}},
    63  		},
    64  		{
    65  			[]string{"a", "b"},
    66  			[]any{&tstSlicer{"a"}},
    67  			[]any{"a", "b", &tstSlicer{"a"}},
    68  		},
    69  		// Errors
    70  		{"", []any{[]string{"a", "b"}}, false},
    71  		// No string concatenation.
    72  		{
    73  			"ab",
    74  			[]any{"c"},
    75  			false,
    76  		},
    77  		{[]string{"a", "b"}, []any{nil}, []any{"a", "b", nil}},
    78  		{[]string{"a", "b"}, []any{nil, "d", nil}, []any{"a", "b", nil, "d", nil}},
    79  		{[]any{"a", nil, "c"}, []any{"d", nil, "f"}, []any{"a", nil, "c", "d", nil, "f"}},
    80  	} {
    81  
    82  		result, err := Append(test.start, test.addend...)
    83  
    84  		if b, ok := test.expected.(bool); ok && !b {
    85  
    86  			c.Assert(err, qt.Not(qt.IsNil))
    87  			continue
    88  		}
    89  
    90  		c.Assert(err, qt.IsNil)
    91  		c.Assert(result, qt.DeepEquals, test.expected, qt.Commentf("test: [%d] %v", i, test))
    92  	}
    93  }
    94  
    95  // #11093
    96  func TestAppendToMultiDimensionalSlice(t *testing.T) {
    97  	t.Parallel()
    98  	c := qt.New(t)
    99  
   100  	for _, test := range []struct {
   101  		to       any
   102  		from     []any
   103  		expected any
   104  	}{
   105  		{[][]string{{"a", "b"}},
   106  			[]any{[]string{"c", "d"}},
   107  			[][]string{
   108  				{"a", "b"},
   109  				{"c", "d"},
   110  			},
   111  		},
   112  		{[][]string{{"a", "b"}},
   113  			[]any{[]string{"c", "d"}, []string{"e", "f"}},
   114  			[][]string{
   115  				{"a", "b"},
   116  				{"c", "d"},
   117  				{"e", "f"},
   118  			},
   119  		},
   120  		{[][]string{{"a", "b"}},
   121  			[]any{[]int{1, 2}},
   122  			false,
   123  		},
   124  	} {
   125  		result, err := Append(test.to, test.from...)
   126  		if b, ok := test.expected.(bool); ok && !b {
   127  			c.Assert(err, qt.Not(qt.IsNil))
   128  		} else {
   129  			c.Assert(err, qt.IsNil)
   130  			c.Assert(result, qt.DeepEquals, test.expected)
   131  		}
   132  	}
   133  
   134  }
   135  
   136  func TestAppendShouldMakeACopyOfTheInputSlice(t *testing.T) {
   137  	t.Parallel()
   138  	c := qt.New(t)
   139  	slice := make([]string, 0, 100)
   140  	slice = append(slice, "a", "b")
   141  	result, err := Append(slice, "c")
   142  	c.Assert(err, qt.IsNil)
   143  	slice[0] = "d"
   144  	c.Assert(result, qt.DeepEquals, []string{"a", "b", "c"})
   145  	c.Assert(slice, qt.DeepEquals, []string{"d", "b"})
   146  }