github.com/anakojm/hugo-katex@v0.0.0-20231023141351-42d6f5de9c0b/resources/page/page_data_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 page
    15  
    16  import (
    17  	"bytes"
    18  	"testing"
    19  	"text/template"
    20  
    21  	qt "github.com/frankban/quicktest"
    22  )
    23  
    24  func TestPageData(t *testing.T) {
    25  	c := qt.New(t)
    26  
    27  	data := make(Data)
    28  
    29  	c.Assert(data.Pages(), qt.IsNil)
    30  
    31  	pages := Pages{
    32  		&testPage{title: "a1"},
    33  		&testPage{title: "a2"},
    34  	}
    35  
    36  	data["pages"] = pages
    37  
    38  	c.Assert(data.Pages(), eq, pages)
    39  
    40  	data["pages"] = func() Pages {
    41  		return pages
    42  	}
    43  
    44  	c.Assert(data.Pages(), eq, pages)
    45  
    46  	templ, err := template.New("").Parse(`Pages: {{ .Pages }}`)
    47  
    48  	c.Assert(err, qt.IsNil)
    49  
    50  	var buff bytes.Buffer
    51  
    52  	c.Assert(templ.Execute(&buff, data), qt.IsNil)
    53  
    54  	c.Assert(buff.String(), qt.Contains, "Pages(2)")
    55  }