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

     1  // Copyright 2019 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  	"context"
    18  	"fmt"
    19  	"io"
    20  	"reflect"
    21  	"testing"
    22  
    23  	qt "github.com/frankban/quicktest"
    24  	"github.com/gohugoio/hugo/config/testconfig"
    25  	"github.com/gohugoio/hugo/output"
    26  	"github.com/gohugoio/hugo/output/layouts"
    27  	"github.com/gohugoio/hugo/tpl"
    28  )
    29  
    30  type templateFinder int
    31  
    32  func (templateFinder) Lookup(name string) (tpl.Template, bool) {
    33  	return nil, false
    34  }
    35  
    36  func (templateFinder) HasTemplate(name string) bool {
    37  	return false
    38  }
    39  
    40  func (templateFinder) LookupVariant(name string, variants tpl.TemplateVariants) (tpl.Template, bool, bool) {
    41  	return nil, false, false
    42  }
    43  
    44  func (templateFinder) LookupVariants(name string) []tpl.Template {
    45  	return nil
    46  }
    47  
    48  func (templateFinder) LookupLayout(d layouts.LayoutDescriptor, f output.Format) (tpl.Template, bool, error) {
    49  	return nil, false, nil
    50  }
    51  
    52  func (templateFinder) Execute(t tpl.Template, wr io.Writer, data any) error {
    53  	return nil
    54  }
    55  
    56  func (templateFinder) ExecuteWithContext(ctx context.Context, t tpl.Template, wr io.Writer, data any) error {
    57  	return nil
    58  }
    59  
    60  func (templateFinder) GetFunc(name string) (reflect.Value, bool) {
    61  	if name == "dobedobedo" {
    62  		return reflect.Value{}, false
    63  	}
    64  
    65  	return reflect.ValueOf(fmt.Sprint), true
    66  }
    67  
    68  func TestApply(t *testing.T) {
    69  	t.Parallel()
    70  	c := qt.New(t)
    71  	d := testconfig.GetTestDeps(nil, nil)
    72  	d.SetTempl(&tpl.TemplateHandlers{
    73  		Tmpl: new(templateFinder),
    74  	})
    75  	ns := New(d)
    76  
    77  	strings := []any{"a\n", "b\n"}
    78  
    79  	ctx := context.Background()
    80  
    81  	result, err := ns.Apply(ctx, strings, "print", "a", "b", "c")
    82  	c.Assert(err, qt.IsNil)
    83  	c.Assert(result, qt.DeepEquals, []any{"abc", "abc"})
    84  
    85  	_, err = ns.Apply(ctx, strings, "apply", ".")
    86  	c.Assert(err, qt.Not(qt.IsNil))
    87  
    88  	var nilErr *error
    89  	_, err = ns.Apply(ctx, nilErr, "chomp", ".")
    90  	c.Assert(err, qt.Not(qt.IsNil))
    91  
    92  	_, err = ns.Apply(ctx, strings, "dobedobedo", ".")
    93  	c.Assert(err, qt.Not(qt.IsNil))
    94  
    95  	_, err = ns.Apply(ctx, strings, "foo.Chomp", "c\n")
    96  	if err == nil {
    97  		t.Errorf("apply with unknown func should fail")
    98  	}
    99  }