OutOfMemoryError [Bears benchmark] [openmrs-openmrs-module-webservices.rest-455565885-458312291 bug]

[jose]

Context

When applied to the openmrs-openmrs-module-webservices.rest-455565885-458312291 bug of the Bears benchmark, GZoltar rans out of memory. As it runs of out of memory, it is not possible to check whether GZoltar works as expected.

Steps to Reproduce

$ rm -rf "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue"
$ mkdir "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue"
$ cd "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue"

Get openmrs-openmrs-module-webservices.rest-455565885-458312291 bug from Bears benchmark

$ cd "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue"
$ git clone https://github.com/bears-bugs/bears-benchmark.git
$ cd "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark"
$ git checkout openmrs-openmrs-module-webservices.rest-455565885-458312291
$ buggy_commit=$(git log --format=format:%H --grep='Changes in the tests') # git log --format=format:%H --grep='Changes in the tests'  **or**  git log --format=format:%H --grep='Bug commit'
$ git checkout "$buggy_commit"

Compile openmrs-openmrs-module-webservices.rest-455565885-458312291 bug from Bears benchmark

$ cd "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark"
$ mvn clean package -DskipTests=true # Compile the entire project
$ cd "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark/omod-1.9"
$ mvn clean package -DskipTests=true # Compile the buggy module

Run tests of the buggy module of the openmrs-openmrs-module-webservices.rest-455565885-458312291 bug from Bears benchmark

$ cd "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark/omod-1.9"
$ mvn test

...
[INFO] Results:
[INFO]
[ERROR] Errors:
[ERROR]   ObsController1_9Test.getObs_shouldCreateAnObsWhenTheQuestionConceptIsSetAsAMapContainingTheUuid:214->RestControllerTestUtils.handle:98 » Conversion
[INFO]
[ERROR] Tests run: 675, Failures: 0, Errors: 1, Skipped: 3
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  48.347 s
[INFO] Finished at: 2020-04-09T11:00:55+01:00
[INFO] ------------------------------------------------------------------------

Get GZoltar

$ cd "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue"
$ git checkout https://github.com/GZoltar/gzoltar.git
$ cd "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/gzoltar"
$ mvn clean package -DskipTests=true
$ export GZOLTAR_CLI_JAR="/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/gzoltar/com.gzoltar.cli/target/com.gzoltar.cli-1.7.3-SNAPSHOT-jar-with-dependencies.jar"
$ export GZOLTAR_AGENT_JAR="/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/gzoltar/com.gzoltar.agent.rt/target/com.gzoltar.agent.rt-1.7.3-SNAPSHOT-all.jar"

Perform fault localization

$ cd "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark/omod-1.9"

$ classpath=$(mvn dependency:build-classpath | grep -v "\[INFO\]" | grep -v "\[WARNING\]")
$ test_classes_dir="/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark/omod-1.9/target/test-classes"
$ src_classes_dir="/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark/omod-1.9/target/classes"

Find list of test cases to run

$ list_of_tests_to_run_file="/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark/omod-1.9/target/tests_to_run.txt"
$ rm -f "$list_of_tests_to_run_file"

$ java -cp $src_classes_dir:$test_classes_dir:$classpath:$GZOLTAR_CLI_JAR \
    com.gzoltar.cli.Main listTestMethods \
      "$test_classes_dir" \
      --outputFile "$list_of_tests_to_run_file" \
      --includes "org.openmrs.module.webservices.rest.*"

$ cat "$list_of_tests_to_run_file"

Collect coverage

$ ser_file="/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark/omod-1.9/target/gzoltar.ser"
$ rm -f "$ser_file"
$ classes_to_debug="org.openmrs.module.webservices.rest.web.v1_0.*"

$ java -XX:MaxPermSize=2048M -javaagent:$GZOLTAR_AGENT_JAR=destfile=$ser_file,buildlocation=$src_classes_dir,includes=$classes_to_debug,excludes="",inclnolocationclasses=false,output="FILE" \
        -cp $src_classes_dir:$test_classes_dir:$classpath:$GZOLTAR_CLI_JAR \
        com.gzoltar.cli.Main runTestMethods \
          --testMethods "$list_of_tests_to_run_file" \
          --collectCoverage

Create fault localization report

$ java -cp $src_classes_dir:$test_classes_dir:$classpath:$GZOLTAR_CLI_JAR \
      com.gzoltar.cli.Main faultLocalizationReport \
        --buildLocation "$src_classes_dir" \
        --granularity "line" \
        --inclPublicMethods \
        --inclStaticConstructors \
        --inclDeprecatedMethods \
        --dataFile "$ser_file" \
        --outputDirectory "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark/omod-1.9/target" \
        --family "sfl" \
        --formula "ochiai" \
        --metric "entropy" \
        --formatter "txt"

$ grep ",FAIL," "/tmp/openmrs-openmrs-module-webservices.rest-455565885-458312291_issue/bears-benchmark/omod-1.9/target/sfl/txt/tests.csv" | cut -f1 -d','

Environment (please complete the following information, if relevant):

• OS: MacOS and Linux
• Commit: 310fba7

$ java -version
java version "1.8.0_212"
Java(TM) SE Runtime Environment (build 1.8.0_212-b10)
Java HotSpot(TM) 64-Bit Server VM (build 25.212-b10, mixed mode)

$ mvn -version
Apache Maven 3.6.1