Implement lesser? method #862

spec/lib/common/version_compare_spec.rb

@@ -121,4 +121,122 @@ describe 'VersionCompare' do
     end
 
   end
+
+  describe '::lesser?' do
+    context 'version checked is newer' do
+      after { expect(VersionCompare::lesser?(@version1, @version2)).to be_truthy }
+
+      it 'returns true' do
+        @version1 = '1.0'
+        @version2 = '2.0'
+      end
+
+      it 'returns true' do
+        @version1 = '1.0'
+        @version2 = '1.1'
+      end
+
+      it 'returns true' do
+        @version1 = '1.0a'
+        @version2 = '1.0b'
+      end
+
+      it 'returns true' do
+        @version1 = '1.0'
+        @version2 = '5000000'
+      end
+
+      it 'returns true' do
+        @version1 = '0'
+        @version2 = '1'
+      end
+
+      it 'returns true' do
+        @version1 = '0.4.2b'
+        @version2 = '2.3.3'
+      end
+
+      it 'returns true' do
+        @version1 = '.47'
+        @version2 = '.50.3'
+      end
+    end
+
+    context 'version checked is older' do
+      after { expect(VersionCompare::lesser?(@version1, @version2)).to be_falsey }
+
+      it 'returns false' do
+        @version1 = '1'
+        @version2 = '0'
+      end
+
+      it 'returns false' do
+        @version1 = '1.0'
+        @version2 = '0.5'
+      end
+
+      it 'returns false' do
+        @version1 = '500000'
+        @version2 = '1'
+      end
+
+      it 'returns false' do
+        @version1 = '1.6.3.7.3.4'
+        @version2 = '1.2.4.567.679.8.e'
+      end
+
+      it 'returns false' do
+        @version1 = '.47'
+        @version2 = '.46.3'
+      end
+    end
+
+    context 'version checked is the same' do
+      after { expect(VersionCompare::lesser?(@version1, @version2)).to be_falsey }
+
+      it 'returns true' do
+        @version1 = '1'
+        @version2 = '1'
+      end
+
+      it 'returns true' do
+        @version1 = 'a'
+        @version2 = 'a'
+      end
+
+    end
+
+    context 'version number causes Gem::Version new Exception' do
+      after { expect(VersionCompare::lesser?(@version1, @version2)).to be_falsey }
+
+      it 'returns false' do
+        @version1 = 'a'
+        @version2 = 'b'
+      end
+    end
+
+    context 'one version number is not set' do
+      after { expect(VersionCompare::lesser?(@version1, @version2)).to be_falsey }
+
+      it 'returns false (version2 nil)' do
+        @version1 = '1'
+        @version2 = nil
+      end
+
+      it 'returns false (version1 nil)' do
+        @version1 = nil
+        @version2 = '1'
+      end
+
+      it 'returns false (version2 empty)' do
+        @version1 = '1'
+        @version2 = ''
+      end
+
+      it 'returns false (version1 empty)' do
+        @version1 = ''
+        @version2 = '1'
+      end
+    end
+  end
 end