Merge Request on forked projects

The good:

 - You can do a merge request for a forked commit and it will merge properly (i.e. it does work).
 - Push events take into account merge requests on forked projects
 - Tests around merge_actions now present, spinach, and other rspec tests
 - Satellites now clean themselves up rather then recreate

The questionable:

 - Events only know about target projects
 - Project's merge requests only hold on to MR's where they are the target
 - All operations performed in the satellite

The bad:

  -  Duplication between project's repositories and satellites (e.g. commits_between)

(for reference: http://feedback.gitlab.com/forums/176466-general/suggestions/3456722-merge-requests-between-projects-repos)

Fixes:

Make test repos/satellites only create when needed
-Spinach/Rspec now only initialize test directory, and setup stubs (things that are relatively cheap)
-project_with_code, source_project_with_code, and target_project_with_code now create/destroy their repos individually
-fixed remote removal
-How to merge renders properly
-Update emails to show project/branches
-Edit MR doesn't set target branch
-Fix some failures on editing/creating merge requests, added a test
-Added back a test around merge request observer
-Clean up project_transfer_spec, Remove duplicate enable/disable observers
-Ensure satellite lock files are cleaned up, Attempted to add some testing around these as well
-Signifant speed ups for tests
-Update formatting ordering in notes_on_merge_requests
-Remove wiki schema update
Fixes for search/search results
-Search results was using by_project for a list of projects, updated this to use in_projects
-updated search results to reference the correct (target) project
-udpated search results to print both sides of the merge request

Change-Id: I19407990a0950945cc95d62089cbcc6262dab1a8

app/views/search/_result.html.haml

@@ -22,11 +22,11 @@
     - @merge_requests.each do |merge_request|
       %li
         merge request:
-        = link_to [merge_request.project, merge_request] do
+        = link_to [merge_request.target_project, merge_request] do
           %span ##{merge_request.id}
           %strong.term
             = truncate merge_request.title, length: 50
-        %span.light (#{merge_request.project.name_with_namespace})
+        %span.light (#{merge_request.source_project.name_with_namespace}:#{merge_request.source_branch} → #{merge_request.target_project.name_with_namespace}:#{merge_request.target_branch})
     - @issues.each do |issue|
       %li
         issue:

app/views/shared/_merge_requests.html.haml

 - if @merge_requests.any?
-  - @merge_requests.group_by(&:project).each do |group|
+  - @merge_requests.group_by(&:target_project).each do |group|
     .ui-box
       - project = group[0]
       .title

config/routes.rb

@@ -255,6 +255,7 @@ Gitlab::Application.routes.draw do
         collection do
           get :branch_from
           get :branch_to
+          get :update_branches
         end
       end

db/fixtures/development/10_merge_requests.rb

@@ -23,7 +23,8 @@ Gitlab::Seeder.quiet do
       id: i,
       source_branch: branches.first,
       target_branch: branches.last,
-      project_id: project.id,
+      source_project_id: project.id,
+      target_project_id: project.id,
       author_id: user_id,
       assignee_id: user_id,
       milestone: project.milestones.sample,

db/fixtures/test/001_repo.rb

@@ -19,5 +19,15 @@ FileUtils.cd(REPO_PATH) do
   # Remove the copy
   FileUtils.rm(SEED_REPO)
 end
+puts ' done.'
+print "Creating seed satellite..."
+SATELLITE_PATH = Rails.root.join('tmp', 'satellite')
+# Make directory
+FileUtils.mkdir_p(SATELLITE_PATH)
+#  Chdir, clone from the seed
+FileUtils.cd(SATELLITE_PATH) do
+  # Clone the satellite
+  `git clone --quiet #{REPO_PATH}/gitlabhq #{SATELLITE_PATH}/gitlabhq`
+end
 puts ' done.'

db/migrate/20130419190306_allow_merges_for_forks.rb

+class AllowMergesForForks < ActiveRecord::Migration
+
+  def self.up
+    add_column :merge_requests, :target_project_id, :integer, :null => false
+    MergeRequest.connection.execute("update merge_requests set target_project_id=project_id")
+    rename_column :merge_requests, :project_id, :source_project_id
+  end
+
+  def self.down
+    remove_column :merge_requests, :target_project_id
+    rename_column :merge_requests, :source_project_id,:project_id
+  end
+
+end

db/schema.rb

@@ -84,9 +84,9 @@ ActiveRecord::Schema.define(:version => 20130624162710) do
   add_index "keys", ["user_id"], :name => "index_keys_on_user_id"
   create_table "merge_requests", :force => true do |t|
-    t.string   "target_branch",                       :null => false
-    t.string   "source_branch",                       :null => false
-    t.integer  "project_id",                          :null => false
+    t.string   "target_branch",                           :null => false
+    t.string   "source_branch",                           :null => false
+    t.integer  "source_project_id",                       :null => false
     t.integer  "author_id"
     t.integer  "assignee_id"
     t.string   "title"
@@ -97,14 +97,15 @@ ActiveRecord::Schema.define(:version => 20130624162710) do
     t.integer  "milestone_id"
     t.string   "state"
     t.string   "merge_status"
+    t.integer  "target_project_id",                       :null => false
   end
   add_index "merge_requests", ["assignee_id"], :name => "index_merge_requests_on_assignee_id"
   add_index "merge_requests", ["author_id"], :name => "index_merge_requests_on_author_id"
   add_index "merge_requests", ["created_at"], :name => "index_merge_requests_on_created_at"
   add_index "merge_requests", ["milestone_id"], :name => "index_merge_requests_on_milestone_id"
-  add_index "merge_requests", ["project_id"], :name => "index_merge_requests_on_project_id"
   add_index "merge_requests", ["source_branch"], :name => "index_merge_requests_on_source_branch"
+  add_index "merge_requests", ["source_project_id"], :name => "index_merge_requests_on_project_id"
   add_index "merge_requests", ["target_branch"], :name => "index_merge_requests_on_target_branch"
   add_index "merge_requests", ["title"], :name => "index_merge_requests_on_title"

features/dashboard/dashboard.feature

@@ -16,6 +16,7 @@ Feature: Dashboard
     And I visit dashboard page
     Then I should see groups list
+  @javascript
   Scenario: I should see last push widget
     Then I should see last push widget
     And I click "Create Merge Request" link

features/project/forked_merge_requests.feature

+Feature: Project Forked Merge Requests
+  Background:
+    Given I sign in as a user
+    And I am a member of project "Shop"
+    And I have a project forked off of "Shop" called "Forked Shop"
+
+
+  @javascript
+  Scenario: I can visit the target projects commit for a forked merge request
+    Given I visit project "Forked Shop" merge requests page
+    And I click link "New Merge Request"
+    And I fill out a "Merge Request On Forked Project" merge request
+    And I follow the target commit link
+    Then I should see the commit under the forked from project
+
+  Scenario: I submit new unassigned merge request to a forked project
+    Given I visit project "Forked Shop" merge requests page
+    And I click link "New Merge Request"
+    And I fill out a "Merge Request On Forked Project" merge request
+    And I submit the merge request
+    Then I should see merge request "Merge Request On Forked Project"
+
+
+  Scenario: I should see a push widget for forked merge requests
+    Given project "Forked Shop" has push event
+    And I visit dashboard page
+    Then I should see last push widget
+    And I click "Create Merge Request on fork" link
+    Then I see prefilled new Merge Request page for the forked project
+
+
+  Scenario: I can edit a forked merge request
+    Given I visit project "Forked Shop" merge requests page
+    And I click link "New Merge Request"
+    And I fill out a "Merge Request On Forked Project" merge request
+    And I submit the merge request
+    And I should see merge request "Merge Request On Forked Project"
+    And I click link edit "Merge Request On Forked Project"
+    Then I see prefilled "Merge Request On Forked Project"
+
+

features/project/merge_requests.feature

@@ -29,6 +29,7 @@ Feature: Project Merge Requests
     And I click link "Close"
     Then I should see closed merge request "Bug NS-04"
+  @javascript
   Scenario: I submit new unassigned merge request
     Given I click link "New Merge Request"
     And I submit new merge request "Wiki Feature"

features/steps/dashboard/dashboard.rb

@@ -22,6 +22,7 @@ class Dashboard < Spinach::FeatureSteps
   Then 'I see prefilled new Merge Request page' do
     current_path.should == new_project_merge_request_path(@project)
+    find("#merge_request_target_project_id").value.should == @project.id.to_s
     find("#merge_request_source_branch").value.should == "new_design"
     find("#merge_request_target_branch").value.should == "master"
     find("#merge_request_title").value.should == "New Design"

features/steps/dashboard/dashboard_event_filters.rb

@@ -61,7 +61,7 @@ class EventFilters < Spinach::FeatureSteps
   end
   And 'this project has merge request event' do
-    merge_request = create :merge_request, author: @user, project: @project
+    merge_request = create :merge_request, author: @user, source_project: @project, target_project: @project
     Event.create(
       project: @project,
       action: Event::MERGED,

features/steps/dashboard/dashboard_merge_requests.rb

@@ -6,18 +6,24 @@ class DashboardMergeRequests < Spinach::FeatureSteps
     merge_requests = @user.merge_requests
     merge_requests.each do |mr|
       page.should have_content(mr.title[0..10])
-      page.should have_content(mr.project.name)
+      page.should have_content(mr.target_project.name)
+      page.should have_content(mr.source_project.name)
     end
   end
   And 'I have authored merge requests' do
-    project1 = create :project
-    project2 = create :project
-    project1.team << [@user, :master]
-    project2.team << [@user, :master]
-    merge_request1 = create :merge_request, author: @user, project: project1
-    merge_request2 = create :merge_request, author: @user, project: project2
+    project1_source = create :project
+    project1_target= create :project
+    project2_source = create :project
+    project2_target = create :project
+    project1_source.team << [@user, :master]
+    project1_target.team << [@user, :master]
+    project2_source.team << [@user, :master]
+    project2_target.team << [@user, :master]
+
+    merge_request1 = create :merge_request, author: @user, source_project: project1_source, target_project: project1_target
+    merge_request2 = create :merge_request, author: @user, source_project: project2_source, target_project: project2_target
   end
 end

features/steps/group/group.rb

@@ -60,7 +60,8 @@ class Groups < Spinach::FeatureSteps
   Given 'project from group has merge requests assigned to me' do
     create :merge_request,
-      project: project,
+      source_project: project,
+      target_project: project,
       assignee: current_user,
       author: current_user
   end

features/steps/project/deploy_keys.rb

@@ -3,10 +3,13 @@ class Spinach::Features::ProjectDeployKeys < Spinach::FeatureSteps
   include SharedProject
   include SharedPaths
+
+
   step 'project has deploy key' do
     create(:deploy_keys_project, project: @project)
   end
+
   step 'I should see project deploy keys' do
     within '.enabled-keys' do
       page.should have_content deploy_key.title

features/steps/project/project_fork.rb

@@ -4,6 +4,8 @@ class ForkProject < Spinach::FeatureSteps
   include SharedProject
   step 'I click link "Fork"' do
+    page.should have_content "Shop"
+    page.should have_content "Fork"
     Gitlab::Shell.any_instance.stub(:fork_repository).and_return(true)
     click_link "Fork"
   end
@@ -14,12 +16,17 @@ class ForkProject < Spinach::FeatureSteps
     @project.team << [@user, :reporter]
   end
+
   step 'I should see the forked project page' do
     page.should have_content "Project was successfully forked."
     current_path.should include current_user.namespace.path
+    @forked_project = Project.find_by_namespace_id(current_user.namespace.path)
   end
   step 'I already have a project named "Shop" in my namespace' do
+    current_user.namespace ||= create(:namespace)
+    current_user.namespace.should_not be_nil
+    current_user.namespace.path.should_not be_nil
     @my_project = create(:project_with_code, name: "Shop", namespace: current_user.namespace)
   end

features/steps/project/project_forked_merge_requests.rb

+class ProjectForkedMergeRequests < Spinach::FeatureSteps
+  include SharedAuthentication
+  include SharedProject
+  include SharedNote
+  include SharedPaths
+
+
+  Given 'I am a member of project "Shop"' do
+    @project = Project.find_by_name "Shop"
+    @project ||= create(:project_with_code, name: "Shop")
+    @project.team << [@user, :reporter]
+  end
+
+  And 'I have a project forked off of "Shop" called "Forked Shop"' do
+    @forking_user = @user
+    forked_project_link = build(:forked_project_link)
+    @forked_project = Project.find_by_name "Forked Shop"
+    @forked_project ||= create(:source_project_with_code, name: "Forked Shop", forked_project_link: forked_project_link, creator_id: @forking_user.id)
+    forked_project_link.forked_from_project = @project
+    forked_project_link.forked_to_project = @forked_project
+    forked_project_link.save!
+  end
+
+
+  Given 'I click link "New Merge Request"' do
+    click_link "New Merge Request"
+  end
+
+
+  Then 'I should see merge request "Merge Request On Forked Project"' do
+    page.should have_content "Merge Request On Forked Project"
+    @project.merge_requests.size.should >= 1
+    @merge_request = @project.merge_requests.last
+    current_path.should == project_merge_request_path(@project, @merge_request)
+    @merge_request.title.should == "Merge Request On Forked Project"
+    @merge_request.source_project.should == @forked_project
+  end
+
+  And 'I fill out a "Merge Request On Forked Project" merge request' do
+    fill_in "merge_request_title", with: "Merge Request On Forked Project"
+    find(:select, "merge_request_source_project_id", {}).value.should == @forked_project.id.to_s
+    find(:select, "merge_request_target_project_id", {}).value.should == @forked_project.id.to_s
+
+    select @project.path_with_namespace, from: "merge_request_target_project_id"
+    find(:select, "merge_request_target_project_id", {}).value.should == @project.id.to_s
+
+    select "master", from: "merge_request_source_branch"
+    find(:select, "merge_request_source_branch", {}).value.should == "master"
+    select "stable", from: "merge_request_target_branch"
+    find(:select, "merge_request_target_branch", {}).value.should == "stable"
+  end
+
+  And 'I submit the merge request' do
+    click_button "Submit merge request"
+  end
+
+  And 'I follow the target commit link' do
+    commit = @project.repository.commit
+    click_link commit.short_id(8)
+  end
+
+  Then 'I should see the commit under the forked from project' do
+    commit = @project.repository.commit
+    page.should have_content(commit.message)
+  end
+
+  And 'I click "Create Merge Request on fork" link' do
+    click_link "Create Merge Request on fork"
+  end
+
+  Then 'I see prefilled new Merge Request page for the forked project' do
+    current_path.should == new_project_merge_request_path(@forked_project)
+    find("#merge_request_source_project_id").value.should == @forked_project.id.to_s
+    find("#merge_request_target_project_id").value.should == @project.id.to_s
+    find("#merge_request_source_branch").value.should == "new_design"
+    find("#merge_request_target_branch").value.should == "master"
+    find("#merge_request_title").value.should == "New Design"
+  end
+
+  Then 'I should see last push widget' do
+    page.should have_content "You pushed to new_design"
+    page.should have_link "Create Merge Request"
+  end
+
+  Given 'project "Forked Shop" has push event' do
+    @forked_project = Project.find_by_name("Forked Shop")
+
+    data = {
+        before: "0000000000000000000000000000000000000000",
+        after: "0220c11b9a3e6c69dc8fd35321254ca9a7b98f7e",
+        ref: "refs/heads/new_design",
+        user_id: @user.id,
+        user_name: @user.name,
+        repository: {
+            name: @forked_project.name,
+            url: "localhost/rubinius",
+            description: "",
+            homepage: "localhost/rubinius",
+            private: true
+        }
+    }
+
+    @event = Event.create(
+        project: @forked_project,
+        action: Event::PUSHED,
+        data: data,
+        author_id: @user.id
+    )
+  end
+
+
+  Then 'I click link edit "Merge Request On Forked Project"' do
+    #there are other edit buttons in this page for replies
+#    links = page.all("a.btn.grouped")
+#    links.each {|e|puts e.inspect  }
+    #TODO:[IA-08] there has got to be a better way to find this button -- there are multiple "Edit" buttons, so that won't work, maybe if we give it an explicit class in the haml
+    #click_link "Edit"  # doesn't work, multiple "Edit" buttons
+    #    find(:link, "a.btn:nth-child(3)").click
+    #    find(:link, "/html/body/div[2]/div/div/h3/span[5]/a[2]").click
+    page.first(:xpath, "/html/body/div[2]/div/div/h3/span[5]/a[2]").click
+  end
+
+  Then 'I see prefilled "Merge Request On Forked Project"' do
+    current_path.should == edit_project_merge_request_path(@project, @merge_request)
+    page.should have_content "Edit merge request #{@merge_request.id}"
+    find("#merge_request_source_project_id").value.should == @forked_project.id.to_s
+    find("#merge_request_target_project_id").value.should == @project.id.to_s
+    find("#merge_request_source_branch").value.should == "master"
+    find("#merge_request_target_branch").value.should == "stable"
+    find("#merge_request_title").value.should == "Merge Request On Forked Project"
+  end
+
+
+  def project
+    @project ||= Project.find_by_name!("Shop")
+  end
+
+end

features/steps/project/project_merge_requests.rb

@@ -24,6 +24,7 @@ class ProjectMergeRequests < Spinach::FeatureSteps
     page.should have_content "Wiki Feature"
   end
+
   Then 'I should see closed merge request "Bug NS-04"' do
     merge_request = MergeRequest.find_by_title!("Bug NS-04")
     merge_request.closed?.should be_true
@@ -56,30 +57,35 @@ class ProjectMergeRequests < Spinach::FeatureSteps
   end
   And 'I submit new merge request "Wiki Feature"' do
-    fill_in "merge_request_title", with: "Wiki Feature"
-    select "bootstrap", from: "merge_request_source_branch"
-    select "master", from: "merge_request_target_branch"
+    fill_in "merge_request_title", :with => "Wiki Feature"
+    select project.path_with_namespace, :from => "merge_request_target_project_id"
+    select "master", :from => "merge_request_source_branch"
+    select "stable", :from => "merge_request_target_branch"
+    find(:select, "merge_request_target_branch", {}).find(:option, "stable", {}).value.should == "stable"
     click_button "Submit merge request"
   end
   And 'project "Shop" have "Bug NS-04" open merge request' do
     create(:merge_request,
            title: "Bug NS-04",
-           project: project,
+           source_project: project,
+           target_project: project,
            author: project.users.first)
   end
   And 'project "Shop" have "Bug NS-05" open merge request with diffs inside' do
     create(:merge_request_with_diffs,
            title: "Bug NS-05",
-           project: project,
+           source_project: project,
+           target_project: project,
            author: project.users.first)
   end
   And 'project "Shop" have "Feature NS-03" closed merge request' do
     create(:closed_merge_request,
            title: "Feature NS-03",
-           project: project,
+           source_project: project,
+           target_project: project,
            author: project.users.first)
   end

features/steps/shared/paths.rb

@@ -184,6 +184,10 @@ module SharedPaths
     visit project_path(project)
   end
+  step 'I visit project "Forked Shop" merge requests page' do
+    visit project_merge_requests_path(@forked_project)
+  end
+
   step 'I visit edit project "Shop" page' do
     visit edit_project_path(project)
   end
@@ -239,18 +243,22 @@ module SharedPaths
   step 'I visit merge request page "Bug NS-04"' do
     mr = MergeRequest.find_by_title("Bug NS-04")
-    visit project_merge_request_path(mr.project, mr)
+    visit project_merge_request_path(mr.target_project, mr)
   end
   step 'I visit merge request page "Bug NS-05"' do
     mr = MergeRequest.find_by_title("Bug NS-05")
-    visit project_merge_request_path(mr.project, mr)
+    visit project_merge_request_path(mr.target_project, mr)
   end
   step 'I visit project "Shop" merge requests page' do
     visit project_merge_requests_path(project)
   end
+  step 'I visit forked project "Shop" merge requests page' do
+    visit project_merge_requests_path(project)
+  end
+
   step 'I visit project "Shop" milestones page' do
     visit project_milestones_path(project)
   end

features/support/env.rb

@@ -35,8 +35,7 @@ Capybara.ignore_hidden_elements = false
 DatabaseCleaner.strategy = :truncation
 Spinach.hooks.before_scenario do
-  TestEnv.init(mailer: false)
-
+  TestEnv.setup_stubs
   DatabaseCleaner.start
 end
@@ -45,6 +44,7 @@ Spinach.hooks.after_scenario do
 end
 Spinach.hooks.before_run do
+  TestEnv.init(mailer: false, init_repos: true, repos: false)
   RSpec::Mocks::setup self
   include FactoryGirl::Syntax::Methods