JacksonXml failure to generate test cases using EvoSuite

[islamelgendy]

Hi there,

I tried to generate some test suite for the JacksonXml project using the EvoSuite generator. However, it is failing to do so using any version of the fixed versions (from 1 to 6). The command that I used: gen_tests.pl -g evosuite -p JacksonXml -v 1f -n 50 -o [output dir] -b 30

This gives the following output:

ERROR EvoSuite - Fatal crash on main EvoSuite process. Class  using seed 50006. Configuration id : null
java.lang.IllegalArgumentException: Classpath element does not exist on disk at: /home/islam/MyWork/Code/defects4j/framework/projects/JacksonXml/lib/javax/xml/stream/stax-api/1.0-2/stax-api-1.0-2.jar
	at org.evosuite.classpath.ClassPathHandler.checkIfValidClasspathEntry(ClassPathHandler.java:211) ~[evosuite-1.0.6.jar:1.0.6]
	at org.evosuite.classpath.ClassPathHandler.getClassPath(ClassPathHandler.java:118) ~[evosuite-1.0.6.jar:1.0.6]
	at org.evosuite.classpath.ClassPathHandler.changeTargetClassPath(ClassPathHandler.java:105) ~[evosuite-1.0.6.jar:1.0.6]
	at org.evosuite.CommandLineParameters.handleClassPath(CommandLineParameters.java:226) ~[evosuite-1.0.6.jar:1.0.6]
	at org.evosuite.EvoSuite.parseCommandLine(EvoSuite.java:184) ~[evosuite-1.0.6.jar:1.0.6]
	at org.evosuite.EvoSuite.main(EvoSuite.java:302) ~[evosuite-1.0.6.jar:1.0.6]
FAIL
Executed command: /home/islam/MyWork/Code/defects4j/framework/lib/test_generation/bin/evosuite.sh

Executing command:
java -cp /home/islam/MyWork/Code/defects4j/framework/lib/test_generation/generation/evosuite-current.jar org.evosuite.EvoSuite     -class com.fasterxml.jackson.dataformat.xml.ser.ToXmlGenerator     -projectCP /tmp/gen_tests.pl_3255527_1629297742/target/classes:/home/islam/MyWork/Code/defects4j/framework/projects/JacksonXml/lib/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/home/islam/MyWork/Code/defects4j/framework/projects/JacksonXml/lib/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/home/islam/MyWork/Code/defects4j/framework/projects/JacksonXml/lib/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/home/islam/MyWork/Code/defects4j/framework/projects/JacksonXml/lib/com/fasterxml/jackson/module/jackson-module-jaxb-annotations/2.9.8/jackson-module-jaxb-annotations-2.9.8.jar:/home/islam/MyWork/Code/defects4j/framework/projects/JacksonXml/lib/javax/xml/stream/stax-api/1.0-2/stax-api-1.0-2.jar:/home/islam/MyWork/Code/defects4j/framework/projects/JacksonXml/lib/org/codehaus/woodstox/stax2-api/3.1.4/stax2-api-3.1.4.jar:/home/islam/MyWork/Code/defects4j/framework/projects/JacksonXml/lib/com/fasterxml/woodstox/woodstox-core/5.0.3/woodstox-core-5.0.3.jar     -seed 50006     -Dsearch_budget=15     -Dassertion_timeout=15     -Dtest_dir=/tmp/gen_tests.pl_3255527_1629297742/evosuite     -criterion branch -Dstopping_condition=MaxTime -Dshow_progress=false -Djunit_check=false -Dfilter_assertions=false -Dtest_comments=false -mem 1500 
FAILED
Failed to generate tests! at /home/islam/MyWork/Code/defects4j/framework/bin/gen_tests.pl line 264.

It is worth noting that I was able to generate test suites using randoop.

Thanks and best, Islam

[rjust]

Thanks for reporting this. It looks like the exported classpath includes invalid entries. The next major release will fix this (for this and other projects).

As a workaround, you can run export -p cp.compile in the working directory of a checked-out project version (e.g., JacksonXml-1f), see what's missing, and add it to the referenced lib folder (or link to an existing library from that lib folder).

A pull request with your fixes would be appreciated.

Let me know if you have further questions.