tillrohrmann commented on a change in pull request #10532: 
[FLINK-15053][runtime] Escape all dynamical property values for taskmanager
URL: https://github.com/apache/flink/pull/10532#discussion_r360342653
 
 

 ##########
 File path: 
flink-runtime/src/test/java/org/apache/flink/runtime/clusterframework/BootstrapToolsTest.java
 ##########
 @@ -412,15 +414,20 @@ public void 
testActorSystemInstantiationFailureWhenPortOccupied() throws Excepti
 
        @Test
        public void testGetDynamicProperties() {
-               Configuration baseConfig = new Configuration();
+               final Configuration baseConfig = new Configuration();
                baseConfig.setString("key.a", "a");
                baseConfig.setString("key.b", "b1");
 
-               Configuration targetConfig = new Configuration();
+               final String valueB = "#a,b&c^d*e%f(g!h";
+               final Configuration targetConfig = new Configuration();
                targetConfig.setString("key.b", "b2");
-               targetConfig.setString("key.c", "c");
-
-               String dynamicProperties = 
BootstrapTools.getDynamicProperties(baseConfig, targetConfig);
-               assertEquals("-Dkey.b=b2 -Dkey.c=c", dynamicProperties);
+               targetConfig.setString("key.c", valueB);
+               targetConfig.setString("key.d", "my'value is 1");
+
+               final String[] dynamicProperties = 
BootstrapTools.getDynamicProperties(baseConfig, targetConfig);
+               assertThat(Arrays.asList(dynamicProperties), 
Matchers.containsInAnyOrder(
+                       "-Dkey.b='b2'",
+                       "-Dkey.c='" + valueB + "'",
+                       "-Dkey.d='my'\\''value is 1'"));
 
 Review comment:
   I think we are overloading this test a bit. Instead of testing the dynamic 
properties string generation it now tests the encoding. I would suggest to test 
the encoding separately.

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