Add integration test for validation of unique country slug.

Fix #495

Author: php-coder

src/main/resources/liquibase/version/0.4.xml

@@ -24,5 +24,6 @@
 	<include file="0.4/2016-11-29--add-unique-key-transaction_participants-table.xml" relativeToChangelogFile="true" />
 	<include file="0.4/2016-12-05--make_name_ru_optional.xml" relativeToChangelogFile="true" />
 	<include file="0.4/2017-01-06--top_categories.xml" relativeToChangelogFile="true" />
+	<include file="0.4/2017-01-25--united_kingdom_country.xml" relativeToChangelogFile="true" />
 
 </databaseChangeLog>

src/main/resources/liquibase/version/0.4/2017-01-25--united_kingdom_country.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<databaseChangeLog
+		xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+		http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
+	
+	<changeSet id="add-united-kingdom-country" author="php-coder" context="test-data">
+		
+		<insert tableName="countries">
+			<column name="name" value="United Kingdom" />
+			<column name="name_ru" value="Великобритания" />
+			<column name="slug" value="united-kingdom" />
+			<column name="created_at" valueComputed="${NOW}" />
+			<column name="created_by" valueComputed="(SELECT id FROM users WHERE role = 'ADMIN' ORDER by id LIMIT 1)" />
+			<column name="updated_at" valueComputed="${NOW}" />
+			<column name="updated_by" valueComputed="(SELECT id FROM users WHERE role = 'ADMIN' ORDER by id LIMIT 1)" />
+		</insert>
+		
+	</changeSet>
+	
+</databaseChangeLog>

src/test/robotframework/country/creation/validation.robot

@@ -72,6 +72,14 @@ Create country with existing name but in a different case
 	Element Text Should Be  id=name.errors  Country already exists
 	Element Text Should Be  id=nameRu.errors  Country already exists
 
+Create country with non-existing name but existing slug
+	[Documentation]         Verify validation of non-unique slug
+	Input Text              id=name  United - Kingdom
+	# clear a value after a previous test to prevent its validation and looking up in database
+	Clear Element Text      id=nameRu
+	Submit Form             id=add-country-form
+	Element Text Should Be  id=name.errors  Country with similar name already exists
+
 *** Keywords ***
 Before Test Suite
 	[Documentation]                     Login as admin and go to create country page