From acc901e7141a91c06b0dd4187088d3144d674158 Mon Sep 17 00:00:00 2001
From: Alex Kotov <kotovalexarian@gmail.com>
Date: Wed, 14 Aug 2019 19:29:33 +0500
Subject: [PATCH] Add interactor SetAccountPerson

---
 app/interactors/set_account_person.rb       | 10 ++++
 spec/interactors/set_account_person_spec.rb | 64 +++++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 app/interactors/set_account_person.rb
 create mode 100644 spec/interactors/set_account_person_spec.rb

diff --git a/app/interactors/set_account_person.rb b/app/interactors/set_account_person.rb
new file mode 100644
index 0000000..3f0b92c
--- /dev/null
+++ b/app/interactors/set_account_person.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class SetAccountPerson
+  include Interactor
+
+  def call
+    context.account.update! person: context.person,
+                            contact_list: context.new_contact_list
+  end
+end
diff --git a/spec/interactors/set_account_person_spec.rb b/spec/interactors/set_account_person_spec.rb
new file mode 100644
index 0000000..21eafc2
--- /dev/null
+++ b/spec/interactors/set_account_person_spec.rb
@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe SetAccountPerson do
+  subject { described_class.call account: account, person: person }
+
+  let(:account) { create :usual_account, contact_list: old_contact_list }
+  let(:person) { create :initial_person, contact_list: new_contact_list }
+
+  let(:old_contact_list) { create :some_contact_list }
+  let(:new_contact_list) { create :some_contact_list }
+
+  specify do
+    expect { subject }.to \
+      change(account, :person)
+      .from(nil)
+      .to(person)
+  end
+
+  specify do
+    expect { subject }.to \
+      change(person, :account)
+      .from(nil)
+      .to(account)
+  end
+
+  specify do
+    expect { subject }.to \
+      change(account, :contact_list)
+      .from(old_contact_list)
+      .to(new_contact_list)
+  end
+
+  specify do
+    expect { subject }.not_to \
+      change(person, :contact_list)
+      .from(new_contact_list)
+  end
+
+  specify do
+    expect { subject }.not_to \
+      change(old_contact_list.contacts, :count)
+      .from(old_contact_list.contacts.count)
+  end
+
+  specify do
+    expect { subject }.not_to \
+      change(new_contact_list.contacts, :count)
+      .from(new_contact_list.contacts.count)
+  end
+
+  specify do
+    expect { subject }.not_to \
+      change(old_contact_list.contacts, :to_a)
+      .from(old_contact_list.contacts.to_a)
+  end
+
+  specify do
+    expect { subject }.not_to \
+      change(new_contact_list.contacts, :to_a)
+      .from(new_contact_list.contacts.to_a)
+  end
+end