add a simple test

Author: mr-c

Makefile

@@ -134,12 +134,11 @@ coverage.html: htmlcov/index.html
 htmlcov/index.html: .coverage
 	coverage html
 
-diff-cover: coverage-gcovr.xml coverage.xml
-	diff-cover coverage-gcovr.xml coverage.xml
+diff-cover: coverage.xml
+	diff-cover $^
 
-diff-cover.html: coverage-gcovr.xml coverage.xml
-	diff-cover coverage-gcovr.xml coverage.xml \
-		--html-report diff-cover.html
+diff-cover.html:  coverage.xml
+	diff-cover $^ --html-report diff-cover.html
 
 ## test        : run the ${MODULE} test suite
 test: $(pysources)

tests/test_examples.py

@@ -3,6 +3,7 @@
 import json
 import logging
 import shutil
+import os
 import sys
 import tempfile
 import unittest
@@ -643,6 +644,19 @@ def test_no_js_console(self):
             self.assertNotIn("[log] Log message", stderr)
             self.assertNotIn("[err] Error message", stderr)
 
+@needs_docker
+class TestRecordContainerId(TestCmdLine):
+    def test_record_container_id(self):
+        test_file = "cache_test_workflow.cwl"
+        cid_dir = tempfile.mkdtemp("cwltool_test_cid")
+        error_code, _, stderr = self.get_main_output(
+            ["--record-container-id", "--cidfile-dir", cid_dir,
+             get_data("tests/wf/" + test_file)])
+        self.assertIn("completed success", stderr)
+        self.assertEqual(error_code, 0)
+        self.assertEqual(len(os.listdir(cid_dir)), 2)
+        shutil.rmtree(cid_dir)
+
 
 @needs_docker
 class TestCache(TestCmdLine):