github.com/anakojm/hugo-katex@v0.0.0-20231023141351-42d6f5de9c0b/tpl/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  	"reflect"
    18  	"testing"
    19  
    20  	qt "github.com/frankban/quicktest"
    21  )
    22  
    23  // Also see tests in common/collection.
    24  func TestAppend(t *testing.T) {
    25  	t.Parallel()
    26  	c := qt.New(t)
    27  	ns := newNs()
    28  
    29  	for i, test := range []struct {
    30  		start    any
    31  		addend   []any
    32  		expected any
    33  	}{
    34  		{[]string{"a", "b"}, []any{"c"}, []string{"a", "b", "c"}},
    35  		{[]string{"a", "b"}, []any{"c", "d", "e"}, []string{"a", "b", "c", "d", "e"}},
    36  		{[]string{"a", "b"}, []any{[]string{"c", "d", "e"}}, []string{"a", "b", "c", "d", "e"}},
    37  		// Errors
    38  		{"", []any{[]string{"a", "b"}}, false},
    39  		{[]string{"a", "b"}, []any{}, false},
    40  		// No string concatenation.
    41  		{
    42  			"ab",
    43  			[]any{"c"},
    44  			false,
    45  		},
    46  	} {
    47  
    48  		errMsg := qt.Commentf("[%d]", i)
    49  
    50  		args := append(test.addend, test.start)
    51  
    52  		result, err := ns.Append(args...)
    53  
    54  		if b, ok := test.expected.(bool); ok && !b {
    55  			c.Assert(err, qt.Not(qt.IsNil), errMsg)
    56  			continue
    57  		}
    58  
    59  		c.Assert(err, qt.IsNil, errMsg)
    60  
    61  		if !reflect.DeepEqual(test.expected, result) {
    62  			t.Fatalf("%s got\n%T: %v\nexpected\n%T: %v", errMsg, result, result, test.expected, test.expected)
    63  		}
    64  	}
    65  }