Export and import show_reblogs together with following list (#10495)

* Refactor imports

* Export show_reblogs when exporting list of followed users

* Add support for importing show_reblogs with following collection

* Fix tests

spec/controllers/settings/exports/following_accounts_controller_spec.rb

@@ -11,7 +11,7 @@ describe Settings::Exports::FollowingAccountsController do
       sign_in user, scope: :user
       get :index, format: :csv
 
-      expect(response.body).to eq "username@domain\n"
+      expect(response.body).to eq "Account address,Show boosts\nusername@domain,true\n"
     end
   end
 end

spec/fixtures/files/new-following-imports.txt

@@ -0,0 +1,4 @@
+Account address,Show boosts
+bob,true
+eve@example.com,false
+

spec/models/export_spec.rb

@@ -32,10 +32,11 @@ describe Export do
       target_accounts.each(&account.method(:follow!))
 
       export = Export.new(account).to_following_accounts_csv
-      results = export.strip.split
+      results = export.strip.split("\n")
 
-      expect(results.size).to eq 2
-      expect(results.first).to eq 'one@local.host'
+      expect(results.size).to eq 3
+      expect(results.first).to eq 'Account address,Show boosts'
+      expect(results.second).to eq 'one@local.host,true'
     end
   end
 

spec/services/import_service_spec.rb

@@ -1,9 +1,9 @@
 require 'rails_helper'
 
 RSpec.describe ImportService, type: :service do
-  let!(:account) { Fabricate(:account) }
-  let!(:bob)     { Fabricate(:account, username: 'bob') }
-  let!(:eve)     { Fabricate(:account, username: 'eve', domain: 'example.com') }
+  let!(:account) { Fabricate(:account, locked: false) }
+  let!(:bob)     { Fabricate(:account, username: 'bob', locked: false) }
+  let!(:eve)     { Fabricate(:account, username: 'eve', domain: 'example.com', locked: false) }
 
   context 'import old-style list of muted users' do
     subject { ImportService.new }
@@ -81,4 +81,89 @@ RSpec.describe ImportService, type: :service do
       end
     end
   end
+
+  context 'import old-style list of followed users' do
+    subject { ImportService.new }
+
+    let(:csv) { attachment_fixture('mute-imports.txt') }
+
+    before do
+      allow(NotificationWorker).to receive(:perform_async)
+    end
+
+    describe 'when no accounts are followed' do
+      let(:import) { Import.create(account: account, type: 'following', data: csv) }
+      it 'follows the listed accounts, including boosts' do
+        subject.call(import)
+        expect(account.following.count).to eq 2
+        expect(Follow.find_by(account: account, target_account: bob).show_reblogs).to be true
+      end
+    end
+
+    describe 'when some accounts are already followed and overwrite is not set' do
+      let(:import) { Import.create(account: account, type: 'following', data: csv) }
+
+      it 'follows the listed accounts, including notifications' do
+        account.follow!(bob, reblogs: false)
+        subject.call(import)
+        expect(account.following.count).to eq 2
+        expect(Follow.find_by(account: account, target_account: bob).show_reblogs).to be true
+      end
+    end
+
+    describe 'when some accounts are already followed and overwrite is set' do
+      let(:import) { Import.create(account: account, type: 'following', data: csv, overwrite: true) }
+
+      it 'mutes the listed accounts, including notifications' do
+        account.follow!(bob, reblogs: false)
+        subject.call(import)
+        expect(account.following.count).to eq 2
+        expect(Follow.find_by(account: account, target_account: bob).show_reblogs).to be true
+      end
+    end
+  end
+
+  context 'import new-style list of followed users' do
+    subject { ImportService.new }
+
+    let(:csv) { attachment_fixture('new-following-imports.txt') }
+
+    before do
+      allow(NotificationWorker).to receive(:perform_async)
+    end
+
+    describe 'when no accounts are followed' do
+      let(:import) { Import.create(account: account, type: 'following', data: csv) }
+      it 'follows the listed accounts, respecting boosts' do
+        subject.call(import)
+        expect(account.following.count).to eq 2
+        expect(Follow.find_by(account: account, target_account: bob).show_reblogs).to be true
+        expect(Follow.find_by(account: account, target_account: eve).show_reblogs).to be false
+      end
+    end
+
+    describe 'when some accounts are already followed and overwrite is not set' do
+      let(:import) { Import.create(account: account, type: 'following', data: csv) }
+
+      it 'mutes the listed accounts, respecting notifications' do
+        account.follow!(bob, reblogs: true)
+        subject.call(import)
+        expect(account.following.count).to eq 2
+        expect(Follow.find_by(account: account, target_account: bob).show_reblogs).to be true
+        expect(Follow.find_by(account: account, target_account: eve).show_reblogs).to be false
+      end
+    end
+
+    describe 'when some accounts are already followed and overwrite is set' do
+      let(:import) { Import.create(account: account, type: 'following', data: csv, overwrite: true) }
+
+      it 'mutes the listed accounts, respecting notifications' do
+        account.follow!(bob, reblogs: true)
+        subject.call(import)
+        expect(account.following.count).to eq 2
+        expect(Follow.find_by(account: account, target_account: bob).show_reblogs).to be true
+        expect(Follow.find_by(account: account, target_account: eve).show_reblogs).to be false
+      end
+    end
+  end
 end