Make check for optional features easier

Author: pesse

src/main/java/org/utplsql/api/compatibility/OptionalFeatures.java

@@ -3,6 +3,9 @@
 import org.utplsql.api.Version;
 import org.utplsql.api.exception.InvalidVersionException;
 
+import java.sql.Connection;
+import java.sql.SQLException;
+
 public enum OptionalFeatures {
 
     FAIL_ON_ERROR("3.0.3", null),
@@ -33,4 +36,9 @@ public boolean isAvailableFor(Version version ) {
             return false; // We have no optional features for invalid versions
         }
     }
+
+    public boolean isAvailableFor(Connection conn) throws SQLException {
+        CompatibilityProxy proxy = new CompatibilityProxy(conn);
+        return isAvailableFor(proxy.getDatabaseVersion());
+    }
 }

src/test/java/org/utplsql/api/OptionalFeaturesIT.java

@@ -0,0 +1,51 @@
+package org.utplsql.api;
+
+import org.junit.jupiter.api.Test;
+import org.utplsql.api.compatibility.CompatibilityProxy;
+import org.utplsql.api.compatibility.OptionalFeatures;
+import org.utplsql.api.exception.InvalidVersionException;
+
+import java.sql.SQLException;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class OptionalFeaturesIT extends AbstractDatabaseTest {
+
+
+    private Version getDatabaseVersion() throws SQLException {
+        return new CompatibilityProxy(getConnection()).getDatabaseVersion();
+    }
+
+    @Test
+    public void failOnError() throws SQLException, InvalidVersionException {
+
+        boolean available = OptionalFeatures.FAIL_ON_ERROR.isAvailableFor(getConnection());
+
+        if (getDatabaseVersion().isGreaterOrEqualThan(new Version("3.0.3")))
+            assertEquals(true, available);
+        else
+            assertEquals(false, available);
+    }
+
+    @Test
+    public void frameworkCompatibilityCheck() throws SQLException, InvalidVersionException {
+
+        boolean available = OptionalFeatures.FRAMEWORK_COMPATIBILITY_CHECK.isAvailableFor(getConnection());
+
+        if (getDatabaseVersion().isGreaterOrEqualThan(new Version("3.0.3")))
+            assertEquals(true, available);
+        else
+            assertEquals(false, available);
+    }
+
+    @Test
+    public void customReporters() throws SQLException, InvalidVersionException {
+
+        boolean available = OptionalFeatures.CUSTOM_REPORTERS.isAvailableFor(getConnection());
+
+        if (getDatabaseVersion().isGreaterOrEqualThan(new Version("3.1.0")))
+            assertEquals(true, available);
+        else
+            assertEquals(false, available);
+    }
+}