github.com/graemephi/kahugo@v0.62.3-0.20211121071557-d78c0423784d/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  	"github.com/gohugoio/hugo/deps"
    22  )
    23  
    24  // Also see tests in common/collection.
    25  func TestAppend(t *testing.T) {
    26  	t.Parallel()
    27  	c := qt.New(t)
    28  
    29  	ns := New(&deps.Deps{})
    30  
    31  	for i, test := range []struct {
    32  		start    interface{}
    33  		addend   []interface{}
    34  		expected interface{}
    35  	}{
    36  		{[]string{"a", "b"}, []interface{}{"c"}, []string{"a", "b", "c"}},
    37  		{[]string{"a", "b"}, []interface{}{"c", "d", "e"}, []string{"a", "b", "c", "d", "e"}},
    38  		{[]string{"a", "b"}, []interface{}{[]string{"c", "d", "e"}}, []string{"a", "b", "c", "d", "e"}},
    39  		// Errors
    40  		{"", []interface{}{[]string{"a", "b"}}, false},
    41  		{[]string{"a", "b"}, []interface{}{}, false},
    42  		// No string concatenation.
    43  		{
    44  			"ab",
    45  			[]interface{}{"c"},
    46  			false,
    47  		},
    48  	} {
    49  
    50  		errMsg := qt.Commentf("[%d]", i)
    51  
    52  		args := append(test.addend, test.start)
    53  
    54  		result, err := ns.Append(args...)
    55  
    56  		if b, ok := test.expected.(bool); ok && !b {
    57  			c.Assert(err, qt.Not(qt.IsNil), errMsg)
    58  			continue
    59  		}
    60  
    61  		c.Assert(err, qt.IsNil, errMsg)
    62  
    63  		if !reflect.DeepEqual(test.expected, result) {
    64  			t.Fatalf("%s got\n%T: %v\nexpected\n%T: %v", errMsg, result, result, test.expected, test.expected)
    65  		}
    66  	}
    67  }