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hugolib: Consider summary in front matter for .Summary

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Add the ability to have a `summary` page variable that overrides
the auto-generated summary.  Logic for obtaining summary becomes:

  * if summary divider is present in content, use the text above it
  * if summary variables is present in page metadata, use that
  * auto-generate summary from first _x_ words of the content

Fixes #5800
This commit is contained in:
Jim McDonald
2019-04-05 18:11:04 +01:00
committed by Bjørn Erik Pedersen
parent ebab291c0e
commit 3a62d54745
8 changed files with 115 additions and 15 deletions
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22
helpers/content_test.go
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@@ -29,6 +29,28 @@ import (
const tstHTMLContent = "<!DOCTYPE html><html><head><script src=\"http://two/foobar.js\"></script></head><body><nav><ul><li hugo-nav=\"section_0\"></li><li hugo-nav=\"section_1\"></li></ul></nav><article>content <a href=\"http://two/foobar\">foobar</a>. Follow up</article><p>This is some text.<br>And some more.</p></body></html>"
func TestTrimShortHTML(t *testing.T) {
tests := []struct {
input, output []byte
}{
{[]byte(""), []byte("")},
{[]byte("Plain text"), []byte("Plain text")},
{[]byte(" \t\n Whitespace text\n\n"), []byte("Whitespace text")},
{[]byte("<p>Simple paragraph</p>"), []byte("Simple paragraph")},
{[]byte("\n \n \t <p> \t Whitespace\nHTML \n\t </p>\n\t"), []byte("Whitespace\nHTML")},
{[]byte("<p>Multiple</p><p>paragraphs</p>"), []byte("<p>Multiple</p><p>paragraphs</p>")},
{[]byte("<p>Nested<p>paragraphs</p></p>"), []byte("<p>Nested<p>paragraphs</p></p>")},
}
c := newTestContentSpec()
for i, test := range tests {
output := c.TrimShortHTML(test.input)
if bytes.Compare(test.output, output) != 0 {
t.Errorf("Test %d failed. Expected %q got %q", i, test.output, output)
}
}
}
func TestStripHTML(t *testing.T) {
type test struct {
input, expected string