Allow for custom test class names

.gitignore

@@ -1,7 +1,5 @@
 tests/**/results.json
 tests/**/build/
-tests/**/gradle/
-tests/**/.gradle/
 tests/**/*.groovy.original
 target/
 jansi-tmp/

bin/run-tests-in-docker.sh

@@ -17,7 +17,6 @@ set -e
 docker build --rm -t exercism/groovy-test-runner .
 
 # Run the Docker image using the settings mimicking the production environment
-# --read-only cannot be used because it causes https://github.com/gradle/gradle/issues/8107
 docker run \
     --rm \
     --network none \

bin/run-tests.sh

@@ -17,17 +17,11 @@ exit_code=0
 for test_dir in tests/*; do
     test_dir_name="$(basename $test_dir)"
     test_dir_path="$(realpath $test_dir)"
-    gradle_dir_path="${test_dir}/.gradle"
-    build_dir_path="${test_dir}/build"
     results_file="results.json"
     results_file_path="${test_dir}/results.json"
     expected_results_file="expected_results.json"
     expected_results_file_path="${test_dir}/expected_results.json"    
 
-    # Clear cache as this influences the test output
-    rm -rf "${gradle_dir_path}" > /dev/null
-    rm -rf "${build_dir_path}" > /dev/null
-
     bin/run.sh "${test_dir_name}" "${test_dir}" "${test_dir}"
 
     # Normalize the results file

bin/run.sh

@@ -24,8 +24,23 @@ fi
 slug="$1"
 input_dir="${2%/}"
 output_dir="${3%/}"
-exercise=$(echo "${slug}" | sed -r 's/(^|-)([a-z])/\U\2/g')
-tests_file="${input_dir}/src/test/groovy/${exercise}Spec.groovy"
+path=${CONFIG_PATH:-'.meta'}
+
+function test_name_from_config() {
+    local config="${input_dir}/${path}/config.json"
+    [[ -f "${config}" ]] || return 1
+    local -a test_files
+    mapfile -t test_files < <(jq -r '.files.test[]' "${config}")
+    (( ${#test_files[@]} == 1 )) || return 1
+    basename "${test_files[0]}"
+}
+
+function test_name_from_slug() {
+  exercise=$(sed -r 's/(^|-)([a-z])/\U\2/g' <<< "${slug}")
+  echo "${exercise}Spec.groovy"
+}
+
+tests_file="${input_dir}/src/test/groovy/$(test_name_from_config || test_name_from_slug)"
 tests_file_original="${tests_file}.original"
 results_file="${output_dir}/results.json"
 

tests/example-custom-class/.meta/config.json

@@ -0,0 +1,8 @@
+{
+  "blurb": "Verify that expected test class names can be extracted from .meta/config.json",
+  "files": {
+    "test": [
+      "src/test/groovy/SomeSpec.groovy"
+    ]
+  }
+}

tests/example-custom-class/expected_results.json

@@ -0,0 +1,5 @@
+{
+  "version": 1,
+  "status": "fail",
+  "message": "\u001b[01;31m\u001b[K[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0,  <<< FAILURE! - in SomeSpec\u001b[m\u001b[K\n\u001b[01;31m\u001b[K[ERROR] SomeSpec.some test    <<< FAILURE!\u001b[m\u001b[K\norg.spockframework.runtime.ConditionNotSatisfiedError: \nCondition not satisfied:\n\nfalse\n\n\tat SomeSpec.some test(SomeSpec.groovy:7)\n\n\u001b[01;31m\u001b[K[ERROR] Failures: \u001b[m\u001b[K\n\u001b[01;31m\u001b[K[ERROR]   SomeSpec.some test:7 Condition not satisfied:\u001b[m\u001b[K\n\nfalse\n\n\u001b[01;31m\u001b[K[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0\u001b[m\u001b[K"
+}