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https://github.com/gohugoio/hugo.git
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Implement HasMenuCurrent and IsMenuCurrent for Nodes
Prior to this commit, `HasMenuCurrent` and `IsMenuCurrent` on `Node` always returned false. This made it hard (if possible at all) to mark the currently selected menu item/group for non-Page content (home page, category pages etc.), i.e. for menus defined in the site configuration. This commit provides an implementation of these two methods. Notable design choices: * These menu items have a loose coupling to the the resources they navigate to; the `Url` is the best common identificator. To facilitate a consistent matching, and to get it in line with the menu items connected to `Page`, relative Urls (Urls starting with '/') for menu items in the site configuration are converted to permaLinks using the same rules used for others’. * `IsMenuCurrent` only looks at the children of the current node; this is in line with the implementation on `Page`. * Due to this loose coupling, `IsMenuCurrent` have to search downards in the tree to make sure that the node is inside the current menu. This could have been made simpler if it could answer `yes` to any match of any menu item matching the current resource. This commit also adds a set of unit tests for the menu system. Fixes #367
This commit is contained in:
bep
spf13
319
hugolib/menu_test.go
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319
hugolib/menu_test.go
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package hugolib
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import (
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"github.com/BurntSushi/toml"
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"github.com/spf13/hugo/source"
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"github.com/spf13/hugo/target"
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"github.com/spf13/viper"
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"strings"
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"testing"
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)
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const (
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CONF_MENU1 = `
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[[menu.main]]
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name = "Go Home"
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url = "/"
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weight = 1
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pre = "<div>"
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post = "</div>"
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[[menu.main]]
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name = "Blog"
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url = "/posts"
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[[menu.grandparent]]
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name = "grandparent"
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url = "/grandparent"
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identifier = "grandparentId"
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[[menu.grandparent]]
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name = "parent"
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url = "/parent"
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identifier = "parentId"
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parent = "grandparentId"
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[[menu.grandparent]]
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name = "Go Home3"
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url = "/"
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identifier = "grandchildId"
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parent = "parentId"
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[[menu.tax]]
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name = "Tax1"
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url = "/two/key/"
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identifier="1"
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[[menu.tax]]
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name = "Tax2"
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url = "/two/key"
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identifier="2"
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[[menu.tax]]
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name = "Tax RSS"
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url = "/two/key.xml"
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identifier="xml"`
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)
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var MENU_PAGE_1 = []byte(`+++
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title = "One"
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[menu]
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[menu.p_one]
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weight = 1
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+++
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Front Matter with Menu Pages`)
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var MENU_PAGE_2 = []byte(`+++
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title = "Two"
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weight = 2
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[menu]
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[menu.p_one]
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[menu.p_two]
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Identity = "Two"
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+++
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Front Matter with Menu Pages`)
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var MENU_PAGE_3 = []byte(`+++
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title = "Three"
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weight = 3
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[menu]
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[menu.p_two]
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Name = "Three"
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Parent = "Two"
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+++
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Front Matter with Menu Pages`)
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var MENU_PAGE_SOURCES = []source.ByteSource{
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{"sect/doc1.md", MENU_PAGE_1, "sect"},
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{"sect/doc2.md", MENU_PAGE_2, "sect"},
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{"sect/doc3.md", MENU_PAGE_3, "sect"},
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}
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type testMenuState struct {
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site *Site
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oldMenu interface{}
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oldBaseUrl interface{}
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}
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func TestPageMenu(t *testing.T) {
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ts := setupMenuTests(t)
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defer resetMenuTestState(ts)
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if len(ts.site.Pages) != 3 {
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t.Fatalf("Posts not created, expected 3 got %d", len(ts.site.Pages))
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}
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first := ts.site.Pages[0]
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second := ts.site.Pages[1]
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third := ts.site.Pages[2]
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pOne := ts.findTestMenuEntryByName("p_one", "One")
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pTwo := ts.findTestMenuEntryByName("p_two", "Two")
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for i, this := range []struct {
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menu string
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page *Page
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menuItem *MenuEntry
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isMenuCurrent bool
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hasMenuCurrent bool
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}{
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{"p_one", first, pOne, true, false},
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{"p_one", first, pTwo, false, false},
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{"p_one", second, pTwo, true, false},
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{"p_two", second, pTwo, true, false},
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{"p_two", third, pTwo, false, true},
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{"p_one", third, pTwo, false, false},
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} {
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isMenuCurrent := this.page.IsMenuCurrent(this.menu, this.menuItem)
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hasMenuCurrent := this.page.HasMenuCurrent(this.menu, this.menuItem)
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if isMenuCurrent != this.isMenuCurrent {
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t.Errorf("[%d] Wrong result from IsMenuCurrent: %v", i, isMenuCurrent)
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}
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if hasMenuCurrent != this.hasMenuCurrent {
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t.Errorf("[%d] Wrong result for menuItem %v for HasMenuCurrent: %v", i, this.menuItem, hasMenuCurrent)
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}
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}
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}
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func TestTaxonomyNodeMenu(t *testing.T) {
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ts := setupMenuTests(t)
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defer resetMenuTestState(ts)
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for i, this := range []struct {
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menu string
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taxInfo taxRenderInfo
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menuItem *MenuEntry
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isMenuCurrent bool
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hasMenuCurrent bool
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}{
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{"tax", taxRenderInfo{key: "key", singular: "one", plural: "two"},
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ts.findTestMenuEntryById("tax", "1"), true, false},
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{"tax", taxRenderInfo{key: "key", singular: "one", plural: "two"},
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ts.findTestMenuEntryById("tax", "2"), true, false},
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{"tax", taxRenderInfo{key: "key", singular: "one", plural: "two"},
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&MenuEntry{Name: "Somewhere else", Url: "/somewhereelse"}, false, false},
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} {
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n, _ := ts.site.newTaxonomyNode(this.taxInfo)
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isMenuCurrent := n.IsMenuCurrent(this.menu, this.menuItem)
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hasMenuCurrent := n.HasMenuCurrent(this.menu, this.menuItem)
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if isMenuCurrent != this.isMenuCurrent {
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t.Errorf("[%d] Wrong result from IsMenuCurrent: %v", i, isMenuCurrent)
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}
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if hasMenuCurrent != this.hasMenuCurrent {
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t.Errorf("[%d] Wrong result for menuItem %v for HasMenuCurrent: %v", i, this.menuItem, hasMenuCurrent)
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}
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}
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menuEntryXml := ts.findTestMenuEntryById("tax", "xml")
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if strings.HasSuffix(menuEntryXml.Url, "/") {
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t.Error("RSS menu item should not be padded with trailing slash")
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}
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}
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func TestHomeNodeMenu(t *testing.T) {
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ts := setupMenuTests(t)
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defer resetMenuTestState(ts)
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home := ts.site.newHomeNode()
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homeMenuEntry := &MenuEntry{Name: home.Title, Url: string(home.Permalink)}
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for i, this := range []struct {
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menu string
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menuItem *MenuEntry
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isMenuCurrent bool
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hasMenuCurrent bool
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}{
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{"main", homeMenuEntry, true, false},
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{"doesnotexist", homeMenuEntry, false, false},
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{"main", &MenuEntry{Name: "Somewhere else", Url: "/somewhereelse"}, false, false},
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{"grandparent", ts.findTestMenuEntryById("grandparent", "grandparentId"), false, false},
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{"grandparent", ts.findTestMenuEntryById("grandparent", "parentId"), false, true},
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{"grandparent", ts.findTestMenuEntryById("grandparent", "grandchildId"), true, false},
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} {
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isMenuCurrent := home.IsMenuCurrent(this.menu, this.menuItem)
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hasMenuCurrent := home.HasMenuCurrent(this.menu, this.menuItem)
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if isMenuCurrent != this.isMenuCurrent {
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t.Errorf("[%d] Wrong result from IsMenuCurrent: %v", i, isMenuCurrent)
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}
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if hasMenuCurrent != this.hasMenuCurrent {
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t.Errorf("[%d] Wrong result for menuItem %v for HasMenuCurrent: %v", i, this.menuItem, hasMenuCurrent)
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}
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}
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}
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var testMenuIdentityMatcher = func(me *MenuEntry, id string) bool { return me.Identifier == id }
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var testMenuNameMatcher = func(me *MenuEntry, id string) bool { return me.Name == id }
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func (ts testMenuState) findTestMenuEntryById(mn string, id string) *MenuEntry {
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return ts.findTestMenuEntry(mn, id, testMenuIdentityMatcher)
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}
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func (ts testMenuState) findTestMenuEntryByName(mn string, id string) *MenuEntry {
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return ts.findTestMenuEntry(mn, id, testMenuNameMatcher)
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}
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func (ts testMenuState) findTestMenuEntry(mn string, id string, matcher func(me *MenuEntry, id string) bool) *MenuEntry {
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if menu, ok := ts.site.Menus[mn]; ok {
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for _, me := range *menu {
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if matcher(me, id) {
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return me
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}
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descendant := ts.findDescendantTestMenuEntry(me, id, matcher)
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if descendant != nil {
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return descendant
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}
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}
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}
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return nil
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}
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func (ts testMenuState) findDescendantTestMenuEntry(parent *MenuEntry, id string, matcher func(me *MenuEntry, id string) bool) *MenuEntry {
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if parent.HasChildren() {
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for _, child := range parent.Children {
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if matcher(child, id) {
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return child
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}
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descendant := ts.findDescendantTestMenuEntry(child, id, matcher)
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if descendant != nil {
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return descendant
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}
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}
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}
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return nil
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}
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func getTestMenuState(s *Site, t *testing.T) *testMenuState {
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menuState := &testMenuState{site: s, oldBaseUrl: viper.Get("baseurl"), oldMenu: viper.Get("menu")}
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menus, err := tomlToMap(CONF_MENU1)
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if err != nil {
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t.Fatalf("Unable to Read menus: %v", err)
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}
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viper.Set("menu", menus["menu"])
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viper.Set("baseurl", "http://foo.local/zoo/")
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return menuState
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}
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func setupMenuTests(t *testing.T) *testMenuState {
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s := createTestSite()
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testState := getTestMenuState(s, t)
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testSiteSetup(s, t)
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return testState
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}
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func resetMenuTestState(state *testMenuState) {
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viper.Set("menu", state.oldMenu)
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viper.Set("baseurl", state.oldBaseUrl)
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}
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func createTestSite() *Site {
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files := make(map[string][]byte)
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target := &target.InMemoryTarget{Files: files}
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s := &Site{
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Target: target,
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Source: &source.InMemorySource{ByteSource: MENU_PAGE_SOURCES},
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}
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return s
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}
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func testSiteSetup(s *Site, t *testing.T) {
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s.Menus = Menus{}
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s.initializeSiteInfo()
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s.Shortcodes = make(map[string]ShortcodeFunc)
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if err := s.CreatePages(); err != nil {
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t.Fatalf("Unable to create pages: %s", err)
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}
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if err := s.BuildSiteMeta(); err != nil {
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t.Fatalf("Unable to build site metadata: %s", err)
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}
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}
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func tomlToMap(s string) (map[string]interface{}, error) {
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var data map[string]interface{} = make(map[string]interface{})
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if _, err := toml.Decode(s, &data); err != nil {
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return nil, err
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}
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return data, nil
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}
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