Merge pull request #2813 from internetee/update_test_coverage/zones_controller

added new tests for zones_controller

test/integration/admin_area/zones_test.rb

@@ -24,4 +24,88 @@ class AdminAreaZonesIntegrationTest < ApplicationIntegrationTest
     assert_equal "attachment; filename=\"test.txt\"; filename*=UTF-8''test.txt", response.headers['Content-Disposition']
     assert_not_empty response.body
   end
+
+  def test_shows_new_form
+    get new_admin_zone_path
+    assert_response :success
+  end
+
+  def test_shows_index
+    get admin_zones_path
+    assert_response :success
+  end
+
+  def test_creates_zone_successfully
+    assert_difference 'DNS::Zone.count' do
+      post admin_zones_path, params: {
+        zone: {
+          origin: 'example.org',
+          ttl: 3600,
+          refresh: 1200,
+          retry: 1800,
+          expire: 3600000,
+          minimum_ttl: 600,
+          email: 'admin@example.org',
+          master_nameserver: 'ns1.example.org'
+
+        }
+      }
+    end
+
+    assert_redirected_to admin_zones_url
+    follow_redirect!
+    assert_response :success
+  end
+
+  def test_fails_to_create_zone_with_invalid_data
+    assert_no_difference 'DNS::Zone.count' do
+      post admin_zones_path, params: {
+        zone: {
+          origin: '',
+          email: ''
+        }
+      }
+
+      assert_response :success
+    end
+  end
+
+  def test_shows_edit_form
+    get edit_admin_zone_path(@zone)
+    assert_response :success
+  end
+
+  def test_fails_to_update_zone_with_invalid_data
+    patch admin_zone_path(@zone), params: { zone: { ttl: '' }}
+
+    assert_response :success
+
+    assert_includes response.body, "Ttl", "Ttl field error should be shown"
+    assert_includes response.body, "Ttl is missing", "Presence validation message expected"
+  
+    @zone.reload
+    refute_equal '', @zone.ttl, "Ttl should not have changed"
+  end
+
+  def test_redirects_to_index_after_successful_operations
+    # Test redirect_to_index private method through public methods
+    post admin_zones_path, params: {
+      zone: {
+        origin: 'redirect-test.org',
+        ttl: 3600,
+        refresh: 1200,
+        retry: 1800,
+        expire: 3600000,
+        minimum_ttl: 600,
+        email: 'admin@redirect-test.org',
+        master_nameserver: 'ns1.redirect-test.org'
+      }
+    }
+    
+    assert_redirected_to admin_zones_url
+
+    follow_redirect!
+    assert_response :success
+    assert_includes response.body, 'Zone has been created'
+  end
 end