add tests

Author: ludviggunne

test/cli/metrics_test.py

@@ -0,0 +1,53 @@
+# python -m pytest metrics_test.py
+
+import os
+from testutils import cppcheck
+
+__script_dir = os.path.dirname(os.path.abspath(__file__))
+__addon_path = os.path.join(__script_dir, 'metrics_test', 'dummy_addon.py')
+__source_path = os.path.join(__script_dir, 'metrics_test', 'dummy_file.c')
+__expected_xml = [
+    '<fileName="1.cpp" function="write" id="HISCall" lineNumber="6" value="2"/>',
+    '<fileName="1.cpp" function="write" id="HISGoto" lineNumber="6" value="0"/>',
+    '<fileName="1.cpp" function="write" id="HISLevel" lineNumber="6" value="2"/>',
+    '<fileName="1.cpp" function="write" id="HISParam" lineNumber="6" value="2"/>',
+    '<fileName="1.cpp" function="write" id="HISPath" lineNumber="6" value="3"/>',
+    '<fileName="1.cpp" function="write" id="HISReturn" lineNumber="6" value="0"/>',
+    '<fileName="1.cpp" function="write" id="HISStmt" lineNumber="6" value="15"/>',
+    '<fileName="1.cpp" function="write" id="cyclomaticComplexity" lineNumber="6" value="3"/>'
+]
+
+def test_dummy_metrics_xml_report(tmpdir):
+    output_file = os.path.join(tmpdir, "results.xml")
+    args = [
+        f'--output-file={output_file}',
+        f'--addon={__addon_path}',
+        '--xml-version=3',
+        __source_path
+    ]
+
+    ret, stdout, stderr = cppcheck(args)
+    assert ret == 0
+    assert stderr == ''
+    assert stdout == f'Checking {__source_path} ...\n'
+
+    with open(output_file, 'r') as file:
+        xml = file.read()
+
+    for expected in __expected_xml:
+        assert xml.find(expected) >= 0
+
+def test_dummy_metrics_stdout():
+    args = [
+        f'--addon={__addon_path}',
+        '--xml-version=3',
+        __source_path
+    ]
+
+    ret, stdout, stderr = cppcheck(args)
+    assert ret == 0
+    assert stdout == f'Checking {__source_path} ...\n'
+
+    for expected in __expected_xml:
+        assert stderr.find(expected) >= 0
+

test/cli/metrics_test/dummy_addon.py

@@ -0,0 +1,12 @@
+print(
+"""
+{"metric":{"fileName":"1.cpp","function":"write","id":"HISCall","lineNumber":6,"value":2}}
+{"metric":{"fileName":"1.cpp","function":"write","id":"HISGoto","lineNumber":6,"value":0}}
+{"metric":{"fileName":"1.cpp","function":"write","id":"HISLevel","lineNumber":6,"value":2}}
+{"metric":{"fileName":"1.cpp","function":"write","id":"HISParam","lineNumber":6,"value":2}}
+{"metric":{"fileName":"1.cpp","function":"write","id":"HISPath","lineNumber":6,"value":3}}
+{"metric":{"fileName":"1.cpp","function":"write","id":"HISReturn","lineNumber":6,"value":0}}
+{"metric":{"fileName":"1.cpp","function":"write","id":"HISStmt","lineNumber":6,"value":15}}
+{"metric":{"fileName":"1.cpp","function":"write","id":"cyclomaticComplexity","lineNumber":6,"value":3}}
+"""
+)

test/cli/metrics_test/dummy_file.c

@@ -0,0 +1 @@
+