1 files changed, 140 insertions, 0 deletions
diff --git a/spec/features/projects/wiki/markdown_preview_spec.rb b/spec/features/projects/wiki/markdown_preview_spec.rb
new file mode 100644
index 00000000000..a1c386ddc18
--- /dev/null
+++ b/spec/features/projects/wiki/markdown_preview_spec.rb
@@ -0,0 +1,140 @@
+require 'spec_helper'
+
+feature 'Projects > Wiki > User previews markdown changes', feature: true, js: true do
+  let(:user) { create(:user) }
+  let(:project) { create(:project, namespace: user.namespace) }
+  let(:wiki_content) do
+    <<-HEREDOC
+[regular link](regular)
+[relative link 1](../relative)
+[relative link 2](./relative)
+[relative link 3](./e/f/relative)
+    HEREDOC
+  end
+
+  background do
+    project.team << [user, :master]
+    login_as(user)
+
+    visit namespace_project_path(project.namespace, project)
+    click_link 'Wiki'
+    WikiPages::CreateService.new(project, user, title: 'home', content: 'Home page').execute
+  end
+
+  context "while creating a new wiki page" do
+    context "when there are no spaces or hyphens in the page name" do
+      it "rewrites relative links as expected" do
+        click_link 'New Page'
+        fill_in :new_wiki_path, with: 'a/b/c/d'
+        click_button 'Create Page'
+
+        fill_in :wiki_content, with: wiki_content
+        click_on "Preview"
+
+        expect(page).to have_content("regular link")
+
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a/b/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a/b/c/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a/b/c/e/f/relative\">relative link 3</a>")
+      end
+    end
+
+    context "when there are spaces in the page name" do
+      it "rewrites relative links as expected" do
+        click_link 'New Page'
+        fill_in :new_wiki_path, with: 'a page/b page/c page/d page'
+        click_button 'Create Page'
+
+        fill_in :wiki_content, with: wiki_content
+        click_on "Preview"
+
+        expect(page).to have_content("regular link")
+
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
+      end
+    end
+
+    context "when there are hyphens in the page name" do
+      it "rewrites relative links as expected" do
+        click_link 'New Page'
+        fill_in :new_wiki_path, with: 'a-page/b-page/c-page/d-page'
+        click_button 'Create Page'
+
+        fill_in :wiki_content, with: wiki_content
+        click_on "Preview"
+
+        expect(page).to have_content("regular link")
+
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
+      end
+    end
+  end
+
+  context "while editing a wiki page" do
+    def create_wiki_page(path)
+      click_link 'New Page'
+      fill_in :new_wiki_path, with: path
+      click_button 'Create Page'
+      fill_in :wiki_content, with: 'content'
+      click_on "Create page"
+    end
+
+    context "when there are no spaces or hyphens in the page name" do
+      it "rewrites relative links as expected" do
+        create_wiki_page 'a/b/c/d'
+        click_link 'Edit'
+
+        fill_in :wiki_content, with: wiki_content
+        click_on "Preview"
+
+        expect(page).to have_content("regular link")
+
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a/b/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a/b/c/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a/b/c/e/f/relative\">relative link 3</a>")
+      end
+    end
+
+    context "when there are spaces in the page name" do
+      it "rewrites relative links as expected" do
+        create_wiki_page 'a page/b page/c page/d page'
+        click_link 'Edit'
+
+        fill_in :wiki_content, with: wiki_content
+        click_on "Preview"
+
+        expect(page).to have_content("regular link")
+
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
+      end
+    end
+
+    context "when there are hyphens in the page name" do
+      it "rewrites relative links as expected" do
+        create_wiki_page 'a-page/b-page/c-page/d-page'
+        click_link 'Edit'
+
+        fill_in :wiki_content, with: wiki_content
+        click_on "Preview"
+
+        expect(page).to have_content("regular link")
+
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.path_with_namespace}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
+      end
+    end
+  end
+end