1 files changed, 123 insertions, 0 deletions
diff --git a/sli/provider-base/src/test/java/org/onap/ccsdk/sli/core/sli/provider/base/SvcLogicExpressionResolverTest.java b/sli/provider-base/src/test/java/org/onap/ccsdk/sli/core/sli/provider/base/SvcLogicExpressionResolverTest.java
new file mode 100644
index 00000000..bf4a2622
--- /dev/null
+++ b/sli/provider-base/src/test/java/org/onap/ccsdk/sli/core/sli/provider/base/SvcLogicExpressionResolverTest.java
@@ -0,0 +1,123 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : CCSDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.core.sli.provider.base;
+
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicExprListener;
+import org.onap.ccsdk.sli.core.sli.SvcLogicExpression;
+import org.onap.ccsdk.sli.core.sli.SvcLogicExpressionFactory;
+import org.onap.ccsdk.sli.core.sli.SvcLogicGraph;
+import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
+import org.onap.ccsdk.sli.core.sli.provider.base.SvcLogicExpressionResolver;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+public class SvcLogicExpressionResolverTest extends TestCase {
+	
+
+	private static final Logger LOG = LoggerFactory
+			.getLogger(SvcLogicExpressionResolver.class);
+	
+	public void testEvaluate()
+	{
+		InputStream testStr = getClass().getResourceAsStream("/expression.tests");
+		BufferedReader testsReader = new BufferedReader(new InputStreamReader(testStr));
+		
+		try
+		{
+			SvcLogicContext ctx = new SvcLogicContext();
+			SvcLogicGraph graph = new SvcLogicGraph();
+			SvcLogicNode node = new SvcLogicNode(1, "return", graph);
+			graph.setRootNode(node);
+
+			String line = null;
+			int lineNo = 0;
+			while ((line = testsReader.readLine()) != null) {
+				++lineNo;
+				if (line.startsWith("#"))
+				{
+					String testExpr = line.trim().substring(1).trim();
+					String[] nameValue = testExpr.split("=");
+					String name = nameValue[0].trim();
+					String value = nameValue[1].trim();
+
+					if (name.startsWith("$"))
+					{
+						LOG.info("Setting context attribute "+name+" = "+value);
+						ctx.setAttribute(name.substring(1), value);
+					}
+					else
+					{
+
+						LOG.info("Setting node attribute "+name+" = "+value);
+						node.setAttribute(name, value);
+						
+					}
+				}
+				else
+				{
+					// if the line contains #, what comes before is the expression to evaluate, and what comes after
+					// is the expected value
+					String[] substrings = line.split("#");
+					String expectedValue = substrings.length > 1 ? substrings[1].trim() : null;
+					String testExpr = substrings[0].trim();
+
+					LOG.info("Parsing expression "+testExpr);
+					SvcLogicExpression expr = SvcLogicExpressionFactory.parse(testExpr);
+					if (expr == null)
+					{
+						fail("Unable to parse expression "+testExpr);
+					}
+					else
+					{
+						LOG.info("Evaluating parsed expression "+expr.asParsedExpr());
+						String exprValue = SvcLogicExpressionResolver.evaluate(expr,  node, ctx);
+						if (exprValue == null)
+						{
+							fail("Unable to evaluate expression "+testExpr);
+						}
+						else
+						{
+							LOG.info("Expression " + testExpr + " evaluates to " + exprValue);
+							if (expectedValue != null) {
+								Assert.assertEquals("Line " + lineNo + ": " + testExpr, expectedValue, exprValue);
+							}
+						}
+					}
+				}
+			}
+		}
+		catch (Exception e)
+		{
+			LOG.error("Caught exception", e);
+			fail("Caught exception");
+		}
+	}
+
+}