Add tests for new functionality

app/controllers/projects/forks_controller.rb

@@ -10,7 +10,11 @@ class Projects::ForksController < Projects::ApplicationController
   def create
     namespace = Namespace.find(params[:namespace_key])
-    @forked_project = ::Projects::ForkService.new(project, current_user, namespace: namespace).execute
+    
+    @forked_project = namespace.projects.find_by(path: project.path)
+    @forked_project = nil unless @forked_project && @forked_project.forked_from_project == project
+
+    @forked_project ||= ::Projects::ForkService.new(project, current_user, namespace: namespace).execute
     if @forked_project.saved? && @forked_project.forked?
       if @forked_project.import_in_progress?

features/project/source/browse_files.feature

@@ -24,6 +24,12 @@ Feature: Project Source Browse Files
     Given I click on "New file" link in repo
     Then I can see new file page
+  Scenario: I can create file when I don't have write access
+    Given I don't have write access
+    And I click on "New file" link in repo
+    Then I should see a notice about a new fork having been created
+    Then I can see new file page
+
   @javascript
   Scenario: I can create and commit file
     Given I click on "New file" link in repo
@@ -34,6 +40,17 @@ Feature: Project Source Browse Files
     Then I am redirected to the new file
     And I should see its new content
+  @javascript
+  Scenario: I can create and commit file when I don't have write access
+    Given I don't have write access
+    And I click on "New file" link in repo
+    And I edit code
+    And I fill the new file name
+    And I fill the commit message
+    And I click on "Commit Changes"
+    Then I am redirected to the fork's new merge request page
+    And I can see the new commit message
+
   @javascript
   Scenario: I can create and commit file with new lines at the end of file
     Given I click on "New file" link in repo
@@ -45,6 +62,17 @@ Feature: Project Source Browse Files
     And I click button "Edit"
     And I should see its content with new lines preserved at end of file
+  @javascript
+  Scenario: I can create and commit file and specify new branch
+    Given I click on "New file" link in repo
+    And I edit code
+    And I fill the new file name
+    And I fill the commit message
+    And I fill the new branch name
+    And I click on "Commit Changes"
+    Then I am redirected to the fork's new merge request page
+    And I should see its new content
+
   @javascript
   Scenario: I can upload file and commit
     Given I click on "Upload file" link in repo
@@ -56,6 +84,19 @@ Feature: Project Source Browse Files
     And I am redirected to the new merge request page
     And I can see the new commit message
+  @javascript
+  Scenario: I can upload file and commit when I don't have write access
+    Given I don't have write access
+    And I click on "Upload file" link in repo
+    Then I should see a notice about a new fork having been created
+    When I click on "Upload file" link in repo
+    And I upload a new text file
+    And I fill the upload file commit message
+    And I click on "Upload file"
+    Then I can see the new text file
+    And I am redirected to the fork's new merge request page
+    And I can see the new commit message
+
   @javascript
   Scenario: I can replace file and commit
     Given I click on ".gitignore" file in repo
@@ -68,15 +109,19 @@ Feature: Project Source Browse Files
     And I can see the replacement commit message
   @javascript
-  Scenario: I can create and commit file and specify new branch
-    Given I click on "New file" link in repo
-    And I edit code
-    And I fill the new file name
-    And I fill the commit message
-    And I fill the new branch name
-    And I click on "Commit Changes"
-    Then I am redirected to the new merge request page
-    And I should see its new content
+  Scenario: I can replace file and commit when I don't have write access
+    Given I don't have write access
+    And I click on ".gitignore" file in repo
+    And I see the ".gitignore"
+    And I click on "Replace"
+    Then I should see a notice about a new fork having been created
+    When I click on "Replace"
+    And I replace it with a text file
+    And I fill the replace file commit message
+    And I click on "Replace file"
+    Then I can see the new text file
+    And I am redirected to the new merge request page
+    And I can see the replacement commit message
   @javascript
   Scenario: I can create file in empty repo
@@ -117,6 +162,14 @@ Feature: Project Source Browse Files
     And I click button "Edit"
     Then I can edit code
+  @javascript
+  Scenario: I can edit file when I don't have write access
+    Given I don't have write access
+    And I click on ".gitignore" file in repo
+    And I click button "Edit"
+    Then I should see a notice about a new fork having been created
+    And I can edit code
+
   Scenario: If the file is binary the edit link is hidden
     Given I visit a binary file in the repo
     Then I cannot see the edit button
@@ -131,6 +184,17 @@ Feature: Project Source Browse Files
     Then I am redirected to the ".gitignore"
     And I should see its new content
+  @javascript
+  Scenario: I can edit and commit file when I don't have write access
+    Given I don't have write access
+    And I click on ".gitignore" file in repo
+    And I click button "Edit"
+    And I edit code
+    And I fill the commit message
+    And I click on "Commit Changes"
+    Then I am redirected to the fork's new merge request page
+    And I can see the new commit message
+
   @javascript
   Scenario: I can edit and commit file to new branch
     Given I click on ".gitignore" file in repo
@@ -161,6 +225,17 @@ Feature: Project Source Browse Files
     And I click on "Create directory"
     Then I am redirected to the new merge request page
+  @javascript
+  Scenario: I can create directory in repo when I don't have write access
+    Given I don't have write access
+    When I click on "New directory" link in repo
+    Then I should see a notice about a new fork having been created
+    When I click on "New directory" link in repo
+    And I fill the new directory name
+    And I fill the commit message
+    And I click on "Create directory"
+    Then I am redirected to the fork's new merge request page
+
   @javascript
   Scenario: I attempt to create an existing directory
     When I click on "New directory" link in repo
@@ -188,6 +263,19 @@ Feature: Project Source Browse Files
     Then I am redirected to the files URL
     And I don't see the ".gitignore"
+  @javascript
+  Scenario: I can delete file and commit when I don't have write access
+    Given I don't have write access
+    And I click on ".gitignore" file in repo
+    And I see the ".gitignore"
+    And I click on "Delete"
+    Then I should see a notice about a new fork having been created
+    When I click on "Delete"
+    And I fill the commit message
+    And I click on "Delete file"
+    Then I am redirected to the fork's new merge request page
+    And I can see the new commit message
+
   Scenario: I can browse directory with Browse Dir
     Given I click on files directory
     And I click on History link

features/steps/project/source/browse_files.rb

@@ -5,6 +5,12 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   include SharedPaths
   include RepoHelpers
+  step "I don't have write access" do
+    @project = create(:project, name: "Other Project", path: "other-project")
+    @project.team << [@user, :reporter]
+    visit namespace_project_tree_path(@project.namespace, @project, root_ref)
+  end
+
   step 'I should see files from repository' do
     expect(page).to have_content "VERSION"
     expect(page).to have_content ".gitignore"
@@ -87,7 +93,7 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   end
   step 'I fill the commit message' do
-    fill_in :commit_message, with: 'Not yet a commit message.', visible: true
+    fill_in :commit_message, with: 'New commit message', visible: true
   end
   step 'I click link "Diff"' do
@@ -103,7 +109,7 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   end
   step 'I click on "Delete"' do
-    click_button 'Delete'
+    click_on 'Delete'
   end
   step 'I click on "Delete file"' do
@@ -111,7 +117,7 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   end
   step 'I click on "Replace"' do
-    click_button  "Replace"
+    click_on  "Replace"
   end
   step 'I click on "Replace file"' do
@@ -155,7 +161,7 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   end
   step 'I can see the new commit message' do
-    expect(page).to have_content "New upload commit message"
+    expect(page).to have_content "New commit message"
   end
   step 'I upload a new text file' do
@@ -164,7 +170,7 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   step 'I fill the upload file commit message' do
     page.within('#modal-upload-blob') do
-      fill_in :commit_message, with: 'New upload commit message'
+      fill_in :commit_message, with: 'New commit message'
     end
   end
@@ -251,6 +257,11 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
     expect(current_path).to eq(new_namespace_project_merge_request_path(@project.namespace, @project))
   end
+  step "I am redirected to the fork's new merge request page" do
+    fork = @user.fork_of(@project)
+    expect(current_path).to eq(new_namespace_project_merge_request_path(fork.namespace, fork))
+  end
+
   step 'I am redirected to the root directory' do
     expect(current_path).to eq(
       namespace_project_tree_path(@project.namespace, @project, 'master'))
@@ -336,6 +347,10 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
     expect(page).to have_content 'Replace'
   end
+  step 'I should see a notice about a new fork having been created' do
+    expect(page).to have_content "You're not allowed to make changes to this project directly. A fork of this project has been created that you can make changes in, so you can submit a merge request."
+  end
+
   private
   def set_new_content