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hugolib: Improve nil handling in IsDescendant and IsAncestor

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Fixes #5461
This commit is contained in:
Bjørn Erik Pedersen 2018-11-28 12:36:59 +01:00
parent 7540a62834
commit b09a40333f
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GPG key ID: 330E6E2BD4859D8F
2 changed files with 23 additions and 2 deletions
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11
hugolib/site_sections.go
View file

@ -104,8 +104,11 @@ func (p *Page) InSection(other interface{}) (bool, error) {
// IsDescendant returns whether the current page is a descendant of the given page.
// Note that this method is not relevant for taxonomy lists and taxonomy terms pages.
func (p *Page) IsDescendant(other interface{}) (bool, error) {
if p == nil {
return false, nil
}
pp, err := unwrapPage(other)
if err != nil {
if err != nil || pp == nil {
return false, err
}
@ -119,8 +122,12 @@ func (p *Page) IsDescendant(other interface{}) (bool, error) {
// IsAncestor returns whether the current page is an ancestor of the given page.
// Note that this method is not relevant for taxonomy lists and taxonomy terms pages.
func (p *Page) IsAncestor(other interface{}) (bool, error) {
if p == nil {
return false, nil
}
pp, err := unwrapPage(other)
if err != nil {
if err != nil || pp == nil {
return false, err
}

14
hugolib/site_sections_test.go
View file

@ -238,6 +238,8 @@ PAG|{{ .Title }}|{{ $sect.InSection . }}
assert.Len(p.Sections(), 0)
}},
{"l1,l2,l3", func(p *Page) {
var nilp *Page
assert.Equal("T3_-1", p.title)
assert.Len(p.Pages, 2)
assert.Equal("T2_-1", p.Parent().title)
@ -247,6 +249,12 @@ PAG|{{ .Title }}|{{ $sect.InSection . }}
isDescendant, err := l1.IsDescendant(p)
assert.NoError(err)
assert.False(isDescendant)
isDescendant, err = l1.IsDescendant(nil)
assert.NoError(err)
assert.False(isDescendant)
isDescendant, err = nilp.IsDescendant(p)
assert.NoError(err)
assert.False(isDescendant)
isDescendant, err = p.IsDescendant(l1)
assert.NoError(err)
assert.True(isDescendant)
@ -258,6 +266,12 @@ PAG|{{ .Title }}|{{ $sect.InSection . }}
assert.NoError(err)
assert.False(isAncestor)
assert.Equal(l1, p.FirstSection())
isAncestor, err = p.IsAncestor(nil)
assert.NoError(err)
assert.False(isAncestor)
isAncestor, err = nilp.IsAncestor(l1)
assert.NoError(err)
assert.False(isAncestor)
}},
{"perm a,link", func(p *Page) {