Merge branch '23634-remove-project-grouping' into 'master'

Don't group issue, merge request and TODO lists by project

Closes #23634

See merge request !8519

27 files changed, 235 insertions, 96 deletions

diff --git a/app/assets/javascripts/todos.js.es6 b/app/assets/javascripts/todos.js.es6
index ef9c0a885fb..05622916ff8 100644
--- a/app/assets/javascripts/todos.js.es6
+++ b/app/assets/javascripts/todos.js.es6
@@ -85,7 +85,7 @@
         },
         success: (data) => {
           $target.remove();
-          $('.prepend-top-default').html('<div class="nothing-here-block">You\'re all done!</div>');
+          $('.js-todos-all').html('<div class="nothing-here-block">You\'re all done!</div>');
           return this.updateBadges(data);
         }
       });
diff --git a/app/assets/stylesheets/framework/tw_bootstrap.scss b/app/assets/stylesheets/framework/tw_bootstrap.scss
index 12d56359d7d..ea2d26dd5a0 100644
--- a/app/assets/stylesheets/framework/tw_bootstrap.scss
+++ b/app/assets/stylesheets/framework/tw_bootstrap.scss
@@ -162,6 +162,10 @@
       }
     }
   }
+
+  &.panel-without-border {
+    border: 0;
+  }
 }
 
 .panel-succes .panel-heading,
diff --git a/app/assets/stylesheets/pages/todos.scss b/app/assets/stylesheets/pages/todos.scss
index 01675acc62e..0d5604aae69 100644
--- a/app/assets/stylesheets/pages/todos.scss
+++ b/app/assets/stylesheets/pages/todos.scss
@@ -76,6 +76,10 @@
     font-size: 14px;
   }
 
+  .action-name {
+    font-weight: normal;
+  }
+
   .todo-body {
     .todo-note {
       word-wrap: break-word;
diff --git a/app/controllers/dashboard_controller.rb b/app/controllers/dashboard_controller.rb
index 4dda4e51f6a..79d420a32d3 100644
--- a/app/controllers/dashboard_controller.rb
+++ b/app/controllers/dashboard_controller.rb
@@ -4,6 +4,7 @@ class DashboardController < Dashboard::ApplicationController
 
   before_action :event_filter, only: :activity
   before_action :projects, only: [:issues, :merge_requests]
+  before_action :set_show_full_reference, only: [:issues, :merge_requests]
 
   respond_to :html
 
@@ -34,4 +35,8 @@ class DashboardController < Dashboard::ApplicationController
     @events = @event_filter.apply_filter(@events).with_associations
     @events = @events.limit(20).offset(params[:offset] || 0)
   end
+
+  def set_show_full_reference
+    @show_full_reference = true
+  end
 end
diff --git a/app/helpers/issuables_helper.rb b/app/helpers/issuables_helper.rb
index e5bb8b93e76..03354c235eb 100644
--- a/app/helpers/issuables_helper.rb
+++ b/app/helpers/issuables_helper.rb
@@ -162,6 +162,10 @@ module IssuablesHelper
     ]
   end
 
+  def issuable_reference(issuable)
+    @show_full_reference ? issuable.to_reference(full: true) : issuable.to_reference(@group || @project)
+  end
+
   def issuable_filter_present?
     issuable_filter_params.any? { |k| params.key?(k) }
   end
diff --git a/app/models/commit.rb b/app/models/commit.rb
index 316bd2e512b..46f06733da1 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -100,8 +100,8 @@ class Commit
     commit_reference(from_project, id, full: full)
   end
 
-  def reference_link_text(from_project = nil)
-    commit_reference(from_project, short_id)
+  def reference_link_text(from_project = nil, full: false)
+    commit_reference(from_project, short_id, full: full)
   end
 
   def diff_line_count
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 65638d9a299..d8826b65fcc 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -97,10 +97,11 @@ class Issue < ActiveRecord::Base
     end
   end
 
-  def to_reference(from_project = nil, full: false)
+  # `from` argument can be a Namespace or Project.
+  def to_reference(from = nil, full: false)
     reference = "#{self.class.reference_prefix}#{iid}"
 
-    "#{project.to_reference(from_project, full: full)}#{reference}"
+    "#{project.to_reference(from, full: full)}#{reference}"
   end
 
   def referenced_merge_requests(current_user = nil)
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 6753504acff..082adcafcc8 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -179,10 +179,11 @@ class MergeRequest < ActiveRecord::Base
     work_in_progress?(title) ? title : "WIP: #{title}"
   end
 
-  def to_reference(from_project = nil, full: false)
+  # `from` argument can be a Namespace or Project.
+  def to_reference(from = nil, full: false)
     reference = "#{self.class.reference_prefix}#{iid}"
 
-    "#{project.to_reference(from_project, full: full)}#{reference}"
+    "#{project.to_reference(from, full: full)}#{reference}"
   end
 
   def first_commit
diff --git a/app/models/project.rb b/app/models/project.rb
index 59faf35e051..4396ea9ef36 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -591,10 +591,11 @@ class Project < ActiveRecord::Base
     end
   end
 
-  def to_reference(from_project = nil, full: false)
-    if full || cross_namespace_reference?(from_project)
+  # `from` argument can be a Namespace or Project.
+  def to_reference(from = nil, full: false)
+    if full || cross_namespace_reference?(from)
       path_with_namespace
-    elsif cross_project_reference?(from_project)
+    elsif cross_project_reference?(from)
       path
     end
   end
@@ -1291,21 +1292,26 @@ class Project < ActiveRecord::Base
 
   private
 
+  def cross_namespace_reference?(from)
+    case from
+    when Project
+      namespace != from.namespace
+    when Namespace
+      namespace != from
+    end
+  end
+
   # Check if a reference is being done cross-project
-  #
-  # from_project - Refering Project object
-  def cross_project_reference?(from_project)
-    from_project && self != from_project
+  def cross_project_reference?(from)
+    return true if from.is_a?(Namespace)
+
+    from && self != from
   end
 
   def pushes_since_gc_redis_key
     "projects/#{id}/pushes_since_gc"
   end
 
-  def cross_namespace_reference?(from_project)
-    from_project && namespace != from_project.namespace
-  end
-
   def default_branch_protected?
     current_application_settings.default_branch_protection == Gitlab::Access::PROTECTION_FULL ||
       current_application_settings.default_branch_protection == Gitlab::Access::PROTECTION_DEV_CAN_MERGE
diff --git a/app/models/todo.rb b/app/models/todo.rb
index 4c99aa0d3be..2adf494ce11 100644
--- a/app/models/todo.rb
+++ b/app/models/todo.rb
@@ -103,9 +103,9 @@ class Todo < ActiveRecord::Base
 
   def target_reference
     if for_commit?
-      target.short_id
+      target.reference_link_text(full: true)
     else
-      target.to_reference
+      target.to_reference(full: true)
     end
   end
 
diff --git a/app/views/dashboard/issues.html.haml b/app/views/dashboard/issues.html.haml
index 3caaf827ff5..653052f7c54 100644
--- a/app/views/dashboard/issues.html.haml
+++ b/app/views/dashboard/issues.html.haml
@@ -15,6 +15,4 @@
     = render 'shared/new_project_item_select', path: 'issues/new', label: "New Issue"
 
 = render 'shared/issuable/filter', type: :issues
-
-.prepend-top-default
-  = render 'shared/issues'
+= render 'shared/issues'
diff --git a/app/views/dashboard/merge_requests.html.haml b/app/views/dashboard/merge_requests.html.haml
index fb016599fef..e64c78c4cb8 100644
--- a/app/views/dashboard/merge_requests.html.haml
+++ b/app/views/dashboard/merge_requests.html.haml
@@ -7,6 +7,4 @@
     = render 'shared/new_project_item_select', path: 'merge_requests/new', label: "New Merge Request"
 
 = render 'shared/issuable/filter', type: :merge_requests
-
-.prepend-top-default
-  = render 'shared/merge_requests'
+= render 'shared/merge_requests'
diff --git a/app/views/dashboard/todos/_todo.html.haml b/app/views/dashboard/todos/_todo.html.haml
index 9d7bcdb9d16..605bfd0cf8d 100644
--- a/app/views/dashboard/todos/_todo.html.haml
+++ b/app/views/dashboard/todos/_todo.html.haml
@@ -11,8 +11,11 @@
             = link_to_author(todo)
           - else
             (removed)
-      %span.todo-label
+
+      %span.action-name
         = todo_action_name(todo)
+
+      %span.todo-label
         - if todo.target
           = todo_target_link(todo)
         - else
diff --git a/app/views/dashboard/todos/index.html.haml b/app/views/dashboard/todos/index.html.haml
index f4efcfb27b2..153d0885063 100644
--- a/app/views/dashboard/todos/index.html.haml
+++ b/app/views/dashboard/todos/index.html.haml
@@ -67,18 +67,14 @@
                   = sort_title_oldest_created
 
 
-.prepend-top-default
+.js-todos-all
   - if @todos.any?
     .js-todos-options{ data: {per_page: @todos.limit_value, current_page: @todos.current_page, total_pages: @todos.total_pages} }
-    - @todos.group_by(&:project).each do |group|
-      .panel.panel-default.panel-small
-        - project = group[0]
-        .panel-heading
-          = link_to project.name_with_namespace, namespace_project_path(project.namespace, project)
-
+      .panel.panel-default.panel-small.panel-without-border
         %ul.content-list.todos-list
-          = render group[1]
+          = render @todos
     = paginate @todos, theme: "gitlab"
+
   - elsif current_user.todos.any?
     .todos-all-done
       = render "shared/empty_states/todos_all_done.svg"
diff --git a/app/views/groups/issues.html.haml b/app/views/groups/issues.html.haml
index 6ad03a60b3a..83edb719692 100644
--- a/app/views/groups/issues.html.haml
+++ b/app/views/groups/issues.html.haml
@@ -23,7 +23,6 @@
     - if current_user
       To see all issues you should visit #{link_to 'dashboard', issues_dashboard_path} page.
 
-  .prepend-top-default
-    = render 'shared/issues'
+  = render 'shared/issues'
 - else
   = render 'shared/empty_states/issues', project_select_button: true
diff --git a/app/views/groups/merge_requests.html.haml b/app/views/groups/merge_requests.html.haml
index af73554086b..6ad76d23df5 100644
--- a/app/views/groups/merge_requests.html.haml
+++ b/app/views/groups/merge_requests.html.haml
@@ -15,5 +15,4 @@
   - if current_user
     To see all merge requests you should visit #{link_to 'dashboard', merge_requests_dashboard_path} page.
 
-.prepend-top-default
-  = render 'shared/merge_requests'
+= render 'shared/merge_requests'
diff --git a/app/views/projects/issues/_issue.html.haml b/app/views/projects/issues/_issue.html.haml
index bd46af339cf..f3be343daae 100644
--- a/app/views/projects/issues/_issue.html.haml
+++ b/app/views/projects/issues/_issue.html.haml
@@ -34,7 +34,7 @@
           = note_count
 
   .issue-info
-    #{issue.to_reference} &middot;
+    #{issuable_reference(issue)} &middot;
     opened #{time_ago_with_tooltip(issue.created_at, placement: 'bottom')}
     by #{link_to_member(@project, issue.author, avatar: false)}
     - if issue.milestone
diff --git a/app/views/projects/merge_requests/_merge_request.html.haml b/app/views/projects/merge_requests/_merge_request.html.haml
index e3b0aa7e644..513f0818169 100644
--- a/app/views/projects/merge_requests/_merge_request.html.haml
+++ b/app/views/projects/merge_requests/_merge_request.html.haml
@@ -46,7 +46,7 @@
           = note_count
 
   .merge-request-info
-    #{merge_request.to_reference} &middot;
+    #{issuable_reference(merge_request)} &middot;
     opened #{time_ago_with_tooltip(merge_request.created_at, placement: 'bottom')}
     by #{link_to_member(@project, merge_request.author, avatar: false)}
     - if merge_request.target_project.default_branch != merge_request.target_branch
diff --git a/app/views/shared/_issues.html.haml b/app/views/shared/_issues.html.haml
index 26b349e8a62..3a49227961f 100644
--- a/app/views/shared/_issues.html.haml
+++ b/app/views/shared/_issues.html.haml
@@ -1,16 +1,7 @@
 - if @issues.to_a.any?
-  - @issues.group_by(&:project).each do |group|
-    .panel.panel-default.panel-small
-      - project = group[0]
-      .panel-heading
-        = link_to project.name_with_namespace, namespace_project_issues_path(project.namespace, project)
-        - if can?(current_user, :create_issue, project)
-          .pull-right
-            = link_to 'New issue', new_namespace_project_issue_path(project.namespace, project)
-
-      %ul.content-list.issues-list
-        - group[1].each do |issue|
-          = render 'projects/issues/issue', issue: issue
+  .panel.panel-default.panel-small.panel-without-border
+    %ul.content-list.issues-list
+      = render partial: 'projects/issues/issue', collection: @issues
   = paginate @issues, theme: "gitlab"
 - else
   = render 'shared/empty_states/issues'
diff --git a/app/views/shared/_merge_requests.html.haml b/app/views/shared/_merge_requests.html.haml
index 2f3605b4d27..b7982b7fe9b 100644
--- a/app/views/shared/_merge_requests.html.haml
+++ b/app/views/shared/_merge_requests.html.haml
@@ -1,16 +1,8 @@
 - if @merge_requests.to_a.any?
-  - @merge_requests.group_by(&:target_project).each do |group|
-    .panel.panel-default.panel-small
-      - project = group[0]
-      .panel-heading
-        = link_to project.name_with_namespace, namespace_project_merge_requests_path(project.namespace, project)
-        - if can?(current_user, :create_merge_request, project)
-          .pull-right
-            = link_to 'New merge request', new_namespace_project_merge_request_path(project.namespace, project)
+  .panel.panel-default.panel-small.panel-without-border
+    %ul.content-list.mr-list
+      = render partial: 'projects/merge_requests/merge_request', collection: @merge_requests
 
-      %ul.content-list.mr-list
-        - group[1].each do |merge_request|
-          = render 'projects/merge_requests/merge_request', merge_request: merge_request
   = paginate @merge_requests, theme: "gitlab"
 
 - else
diff --git a/changelogs/unreleased/23634-remove-project-grouping.yml b/changelogs/unreleased/23634-remove-project-grouping.yml
new file mode 100644
index 00000000000..dde8b2d1815
--- /dev/null
+++ b/changelogs/unreleased/23634-remove-project-grouping.yml
@@ -0,0 +1,4 @@
+---
+title: Don't group issues by project on group-level and dashboard issue indexes.
+merge_request: 8111
+author: Bernardo Castro
diff --git a/features/steps/dashboard/todos.rb b/features/steps/dashboard/todos.rb
index 344b6fda9a6..2bbc43b491f 100644
--- a/features/steps/dashboard/todos.rb
+++ b/features/steps/dashboard/todos.rb
@@ -25,15 +25,18 @@ class Spinach::Features::DashboardTodos < Spinach::FeatureSteps
   end
 
   step 'I should see todos assigned to me' do
+    merge_request_reference = merge_request.to_reference(full: true)
+    issue_reference = issue.to_reference(full: true)
+
     page.within('.todos-pending-count') { expect(page).to have_content '4' }
     expect(page).to have_content 'To do 4'
     expect(page).to have_content 'Done 0'
 
     expect(page).to have_link project.name_with_namespace
-    should_see_todo(1, "John Doe assigned you merge request #{merge_request.to_reference}", merge_request.title)
-    should_see_todo(2, "John Doe mentioned you on issue #{issue.to_reference}", "#{current_user.to_reference} Wdyt?")
-    should_see_todo(3, "John Doe assigned you issue #{issue.to_reference}", issue.title)
-    should_see_todo(4, "Mary Jane mentioned you on issue #{issue.to_reference}", issue.title)
+    should_see_todo(1, "John Doe assigned you merge request #{merge_request_reference}", merge_request.title)
+    should_see_todo(2, "John Doe mentioned you on issue #{issue_reference}", "#{current_user.to_reference} Wdyt?")
+    should_see_todo(3, "John Doe assigned you issue #{issue_reference}", issue.title)
+    should_see_todo(4, "Mary Jane mentioned you on issue #{issue_reference}", issue.title)
   end
 
   step 'I mark the todo as done' do
@@ -44,10 +47,13 @@ class Spinach::Features::DashboardTodos < Spinach::FeatureSteps
     page.within('.todos-pending-count') { expect(page).to have_content '3' }
     expect(page).to have_content 'To do 3'
     expect(page).to have_content 'Done 1'
-    should_not_see_todo "John Doe assigned you merge request #{merge_request.to_reference}"
+    should_not_see_todo "John Doe assigned you merge request #{merge_request.to_reference(full: true)}"
   end
 
   step 'I mark all todos as done' do
+    merge_request_reference = merge_request.to_reference(full: true)
+    issue_reference = issue.to_reference(full: true)
+
     click_link 'Mark all as done'
 
     page.within('.todos-pending-count') { expect(page).to have_content '0' }
@@ -55,27 +61,30 @@ class Spinach::Features::DashboardTodos < Spinach::FeatureSteps
     expect(page).to have_content 'Done 4'
     expect(page).to have_content "You're all done!"
     expect('.prepend-top-default').not_to have_link project.name_with_namespace
-    should_not_see_todo "John Doe assigned you merge request #{merge_request.to_reference}"
-    should_not_see_todo "John Doe mentioned you on issue #{issue.to_reference}"
-    should_not_see_todo "John Doe assigned you issue #{issue.to_reference}"
-    should_not_see_todo "Mary Jane mentioned you on issue #{issue.to_reference}"
+    should_not_see_todo "John Doe assigned you merge request #{merge_request_reference}"
+    should_not_see_todo "John Doe mentioned you on issue #{issue_reference}"
+    should_not_see_todo "John Doe assigned you issue #{issue_reference}"
+    should_not_see_todo "Mary Jane mentioned you on issue #{issue_reference}"
   end
 
   step 'I should see the todo marked as done' do
     click_link 'Done 1'
 
     expect(page).to have_link project.name_with_namespace
-    should_see_todo(1, "John Doe assigned you merge request #{merge_request.to_reference}", merge_request.title, false)
+    should_see_todo(1, "John Doe assigned you merge request #{merge_request.to_reference(full: true)}", merge_request.title, false)
   end
 
   step 'I should see all todos marked as done' do
+    merge_request_reference = merge_request.to_reference(full: true)
+    issue_reference = issue.to_reference(full: true)
+
     click_link 'Done 4'
 
     expect(page).to have_link project.name_with_namespace
-    should_see_todo(1, "John Doe assigned you merge request #{merge_request.to_reference}", merge_request.title, false)
-    should_see_todo(2, "John Doe mentioned you on issue #{issue.to_reference}", "#{current_user.to_reference} Wdyt?", false)
-    should_see_todo(3, "John Doe assigned you issue #{issue.to_reference}", issue.title, false)
-    should_see_todo(4, "Mary Jane mentioned you on issue #{issue.to_reference}", issue.title, false)
+    should_see_todo(1, "John Doe assigned you merge request #{merge_request_reference}", merge_request.title, false)
+    should_see_todo(2, "John Doe mentioned you on issue #{issue_reference}", "#{current_user.to_reference} Wdyt?", false)
+    should_see_todo(3, "John Doe assigned you issue #{issue_reference}", issue.title, false)
+    should_see_todo(4, "Mary Jane mentioned you on issue #{issue_reference}", issue.title, false)
   end
 
   step 'I filter by "Enterprise"' do
@@ -111,16 +120,16 @@ class Spinach::Features::DashboardTodos < Spinach::FeatureSteps
   end
 
   step 'I should not see todos related to "Mary Jane" in the list' do
-    should_not_see_todo "Mary Jane mentioned you on issue #{issue.to_reference}"
+    should_not_see_todo "Mary Jane mentioned you on issue #{issue.to_reference(full: true)}"
   end
 
   step 'I should not see todos related to "Merge Requests" in the list' do
-    should_not_see_todo "John Doe assigned you merge request #{merge_request.to_reference}"
+    should_not_see_todo "John Doe assigned you merge request #{merge_request.to_reference(full: true)}"
   end
 
   step 'I should not see todos related to "Assignments" in the list' do
-    should_not_see_todo "John Doe assigned you merge request #{merge_request.to_reference}"
-    should_not_see_todo "John Doe assigned you issue #{issue.to_reference}"
+    should_not_see_todo "John Doe assigned you merge request #{merge_request.to_reference(full: true)}"
+    should_not_see_todo "John Doe assigned you issue #{issue.to_reference(full: true)}"
   end
 
   step 'I click on the todo' do
diff --git a/spec/features/todos/todos_spec.rb b/spec/features/todos/todos_spec.rb
index 3850e930b6d..1b352be9331 100644
--- a/spec/features/todos/todos_spec.rb
+++ b/spec/features/todos/todos_spec.rb
@@ -171,7 +171,7 @@ describe 'Dashboard Todos', feature: true do
       it 'links to the pipelines for the merge request' do
         href = pipelines_namespace_project_merge_request_path(project.namespace, project, todo.target)
 
-        expect(page).to have_link "merge request #{todo.target.to_reference}", href
+        expect(page).to have_link "merge request #{todo.target.to_reference(full: true)}", href
       end
     end
   end
diff --git a/spec/helpers/issuables_helper_spec.rb b/spec/helpers/issuables_helper_spec.rb
index a4f08dc4af0..df71680e44c 100644
--- a/spec/helpers/issuables_helper_spec.rb
+++ b/spec/helpers/issuables_helper_spec.rb
@@ -115,6 +115,46 @@ describe IssuablesHelper do
     end
   end
 
+  describe '#issuable_reference' do
+    context 'when show_full_reference truthy' do
+      it 'display issuable full reference' do
+        assign(:show_full_reference, true)
+        issue = build_stubbed(:issue)
+
+        expect(helper.issuable_reference(issue)).to eql(issue.to_reference(full: true))
+      end
+    end
+
+    context 'when show_full_reference falsey' do
+      context 'when @group present' do
+        it 'display issuable reference to @group' do
+          project = build_stubbed(:project)
+
+          assign(:show_full_reference, nil)
+          assign(:group, project.namespace)
+
+          issue = build_stubbed(:issue)
+
+          expect(helper.issuable_reference(issue)).to eql(issue.to_reference(project.namespace))
+        end
+      end
+
+      context 'when @project present' do
+        it 'display issuable reference to @project' do
+          project = build_stubbed(:project)
+
+          assign(:show_full_reference, nil)
+          assign(:group, nil)
+          assign(:project, project)
+
+          issue = build_stubbed(:issue)
+
+          expect(helper.issuable_reference(issue)).to eql(issue.to_reference(project))
+        end
+      end
+    end
+  end
+
   describe '#issuable_filter_present?' do
     it 'returns true when any key is present' do
       allow(helper).to receive(:params).and_return(
diff --git a/spec/models/issue_spec.rb b/spec/models/issue_spec.rb
index 40c0a75c364..bba9058f394 100644
--- a/spec/models/issue_spec.rb
+++ b/spec/models/issue_spec.rb
@@ -23,21 +23,74 @@ describe Issue, models: true do
   end
 
   describe '#to_reference' do
-    let(:project) { build(:empty_project, name: 'sample-project') }
-    let(:issue) { build(:issue, iid: 1, project: project) }
+    let(:namespace) { build(:namespace, path: 'sample-namespace') }
+    let(:project)   { build(:empty_project, name: 'sample-project', namespace: namespace) }
+    let(:issue)     { build(:issue, iid: 1, project: project) }
+    let(:group)     { create(:group, name: 'Group', path: 'sample-group') }
+
+    context 'when nil argument' do
+      it 'returns issue id' do
+        expect(issue.to_reference).to eq "#1"
+      end
+    end
+
+    context 'when full is true' do
+      it 'returns complete path to the issue' do
+        expect(issue.to_reference(full: true)).to          eq 'sample-namespace/sample-project#1'
+        expect(issue.to_reference(project, full: true)).to eq 'sample-namespace/sample-project#1'
+        expect(issue.to_reference(group, full: true)).to   eq 'sample-namespace/sample-project#1'
+      end
+    end
 
-    it 'returns a String reference to the object' do
-      expect(issue.to_reference).to eq "#1"
+    context 'when same project argument' do
+      it 'returns issue id' do
+        expect(issue.to_reference(project)).to eq("#1")
+      end
     end
 
-    it 'returns a String reference with the full path' do
-      expect(issue.to_reference(full: true)).to eq(project.path_with_namespace + '#1')
+    context 'when cross namespace project argument' do
+      let(:another_namespace_project) { create(:empty_project, name: 'another-project') }
+
+      it 'returns complete path to the issue' do
+        expect(issue.to_reference(another_namespace_project)).to eq 'sample-namespace/sample-project#1'
+      end
     end
 
     it 'supports a cross-project reference' do
       another_project = build(:empty_project, name: 'another-project', namespace: project.namespace)
       expect(issue.to_reference(another_project)).to eq "sample-project#1"
     end
+
+    context 'when same namespace / cross-project argument' do
+      let(:another_project) { create(:empty_project, namespace: namespace) }
+
+      it 'returns path to the issue with the project name' do
+        expect(issue.to_reference(another_project)).to eq 'sample-project#1'
+      end
+    end
+
+    context 'when different namespace / cross-project argument' do
+      let(:another_namespace) { create(:namespace, path: 'another-namespace') }
+      let(:another_project)   { create(:empty_project, path: 'another-project', namespace: another_namespace) }
+
+      it 'returns full path to the issue' do
+        expect(issue.to_reference(another_project)).to eq 'sample-namespace/sample-project#1'
+      end
+    end
+
+    context 'when argument is a namespace' do
+      context 'with same project path' do
+        it 'returns path to the issue with the project name' do
+          expect(issue.to_reference(namespace)).to eq 'sample-project#1'
+        end
+      end
+
+      context 'with different project path' do
+        it 'returns full path to the issue' do
+          expect(issue.to_reference(group)).to eq 'sample-namespace/sample-project#1'
+        end
+      end
+    end
   end
 
   describe '#is_being_reassigned?' do
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 646a1311462..527eb704036 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -282,9 +282,10 @@ describe Project, models: true do
   end
 
   describe '#to_reference' do
-    let(:owner) { create(:user, name: 'Gitlab') }
+    let(:owner)     { create(:user, name: 'Gitlab') }
     let(:namespace) { create(:namespace, path: 'sample-namespace', owner: owner) }
-    let(:project) { create(:empty_project, path: 'sample-project', namespace: namespace) }
+    let(:project)   { create(:empty_project, path: 'sample-project', namespace: namespace) }
+    let(:group)     { create(:group, name: 'Group', path: 'sample-group', owner: owner) }
 
     context 'when nil argument' do
       it 'returns nil' do
@@ -292,6 +293,14 @@ describe Project, models: true do
       end
     end
 
+    context 'when full is true' do
+      it 'returns complete path to the project' do
+        expect(project.to_reference(full: true)).to          eq 'sample-namespace/sample-project'
+        expect(project.to_reference(project, full: true)).to eq 'sample-namespace/sample-project'
+        expect(project.to_reference(group, full: true)).to   eq 'sample-namespace/sample-project'
+      end
+    end
+
     context 'when same project argument' do
       it 'returns nil' do
         expect(project.to_reference(project)).to be_nil
@@ -309,10 +318,33 @@ describe Project, models: true do
     context 'when same namespace / cross-project argument' do
       let(:another_project) { create(:empty_project, namespace: namespace) }
 
-      it 'returns complete path to the project' do
+      it 'returns path to the project' do
         expect(project.to_reference(another_project)).to eq 'sample-project'
       end
     end
+
+    context 'when different namespace / cross-project argument' do
+      let(:another_namespace) { create(:namespace, path: 'another-namespace', owner: owner) }
+      let(:another_project)   { create(:empty_project, path: 'another-project', namespace: another_namespace) }
+
+      it 'returns full path to the project' do
+        expect(project.to_reference(another_project)).to eq 'sample-namespace/sample-project'
+      end
+    end
+
+    context 'when argument is a namespace' do
+      context 'with same project path' do
+        it 'returns path to the project' do
+          expect(project.to_reference(namespace)).to eq 'sample-project'
+        end
+      end
+
+      context 'with different project path' do
+        it 'returns full path to the project' do
+          expect(project.to_reference(group)).to eq 'sample-namespace/sample-project'
+        end
+      end
+    end
   end
 
   describe '#to_human_reference' do
diff --git a/spec/models/todo_spec.rb b/spec/models/todo_spec.rb
index 8017d1c3324..581305ad39f 100644
--- a/spec/models/todo_spec.rb
+++ b/spec/models/todo_spec.rb
@@ -109,7 +109,7 @@ describe Todo, models: true do
   end
 
   describe '#target_reference' do
-    it 'returns the short commit id for commits' do
+    it 'returns commit full reference with short id' do
       project = create(:project, :repository)
       commit = project.commit
 
@@ -117,12 +117,12 @@ describe Todo, models: true do
       subject.target_type = 'Commit'
       subject.commit_id = commit.id
 
-      expect(subject.target_reference).to eq commit.short_id
+      expect(subject.target_reference).to eq commit.reference_link_text(full: true)
     end
 
-    it 'returns reference for issuables' do
+    it 'returns full reference for issuables' do
       subject.target = issue
-      expect(subject.target_reference).to eq issue.to_reference
+      expect(subject.target_reference).to eq issue.to_reference(full: true)
     end
   end
 end