fix: getVariableFullNames returns incorrect result, #549

Author: killme2008

src/main/java/com/googlecode/aviator/BaseExpression.java

@@ -118,9 +118,12 @@ protected void afterPopulateFullNames(final Map<String, VariableMeta> fullNames,
     if (this.lambdaBootstraps != null && !this.lambdaBootstraps.isEmpty()) {
       for (LambdaFunctionBootstrap bootstrap : this.lambdaBootstraps.values()) {
         for (VariableMeta meta : bootstrap.getClosureOverFullVarNames()) {
-          VariableMeta existsMeta = fullNames.get(meta.getName());
+          final String name = meta.getName();
+
+          VariableMeta existsMeta = fullNames.get(name);
           if (existsMeta == null) {
-            if (!parentVars.contains(meta.getName())) {
+            String[] tmps = Constants.SPLIT_PAT.split(name);
+            if (!parentVars.contains(tmps[0])) {
               fullNames.put(meta.getName(), meta);
             }
           } else {

src/test/java/com/googlecode/aviator/AviatorEvaluatorInstanceCompatibleUnitTest.java

@@ -17,6 +17,11 @@ public void setup() {
     this.instance.setOption(Options.FEATURE_SET, Feature.getCompatibleFeatures());
   }
 
+  @Test
+  public void testIssue549() {
+    // ignore
+  }
+
   @Override
   @Test(expected = UnsupportedFeatureException.class)
   public void testMaxLoopCount() {

src/test/java/com/googlecode/aviator/AviatorEvaluatorInstanceUnitTest.java

@@ -61,6 +61,19 @@ public void setup() {
     this.instance.setOption(Options.EVAL_TIMEOUT_MS, 100);
   }
 
+
+  @Test
+  public void testIssue549() {
+    Expression exp = instance.compile(
+        "let appkey = get_appkey(\"com.sankuai.aaa.bbb.ccc\"); if appkey != nil{ return appkey.serviceLevel; } return nil;");
+    assertTrue(exp.getVariableNames().isEmpty());
+    assertTrue(exp.getVariableFullNames().isEmpty());
+
+    exp = instance.compile("if appkey != nil{ return appkey.serviceLevel; } return nil;");
+    assertEquals(Arrays.asList("appkey"), exp.getVariableNames());
+    assertEquals(Arrays.asList("appkey"), exp.getVariableFullNames());
+  }
+
   @Test
   public void testIssue476() {
     Expression expr = instance.compile("let abc = new String('abc');");

src/test/java/com/googlecode/aviator/test/function/FunctionTest.java

@@ -831,19 +831,29 @@ public void testGetVariableNamesAndFunctionNamesComplex() {
     funcs = getFuncs(exp);
     assertEquals(0, vars.size());
     vars = exp.getVariableFullNames();
-    assertEquals(2, vars.size());
-    assertEquals("a.b", vars.get(0));
-    assertEquals("a.c", vars.get(1));
+    assertEquals(0, vars.size());
     assertEquals(Arrays.asList("seq.map"), funcs);
 
     exp = this.instance.compile("a = seq.map(); a.c = 2; add = lambda() -> a.b + a.c end; add()");
     funcs = getFuncs(exp);
     vars = exp.getVariableNames();
     assertEquals(0, vars.size());
     vars = exp.getVariableFullNames();
-    assertEquals(1, vars.size());
-    assertEquals("a.b", vars.get(0));
+    assertEquals(0, vars.size());
     assertEquals(Arrays.asList("seq.map"), funcs);
+
+    exp = this.instance.compile("add = lambda(a) -> a.b + test1(a.c) + test2(y.d) end; add(x)");
+    funcs = getFuncs(exp);
+    vars = exp.getVariableNames();
+    assertEquals(2, vars.size());
+    assertEquals("y", vars.get(0));
+    assertEquals("x", vars.get(1));
+    vars = exp.getVariableFullNames();
+    assertEquals(2, vars.size());
+    assertEquals("y.d", vars.get(0));
+    assertEquals("x", vars.get(1));
+    assertEquals(2, funcs.size());
+    assertEquals(Arrays.asList("test1", "test2"), funcs);
   }
 
   private List<String> getFuncs(Expression exp) {