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authorDavid Robillard <d@drobilla.net>2022-06-27 12:59:33 -0400
committerDavid Robillard <d@drobilla.net>2022-06-27 12:59:33 -0400
commitbcc1c936b15782d8fa59e2ebf471cf686527135c (patch)
tree0af1c3c45923259f522471a6ac462de87a473b41 /test
parentd2926cb58c6d29c239fc9e92ad16b262460f5e5a (diff)
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Factor out test suite running to a standalone script
Diffstat (limited to 'test')
-rwxr-xr-xtest/run_test_suite.py403
1 files changed, 403 insertions, 0 deletions
diff --git a/test/run_test_suite.py b/test/run_test_suite.py
new file mode 100755
index 00000000..3f637146
--- /dev/null
+++ b/test/run_test_suite.py
@@ -0,0 +1,403 @@
+#!/usr/bin/env python3
+
+"""Run an RDF test suite with serdi."""
+
+import argparse
+import datetime
+import difflib
+import itertools
+import os
+import re
+import shlex
+import subprocess
+import sys
+import tempfile
+import urllib.parse
+
+
+def earl_assertion(test, passed, asserter):
+ """Return a Turtle description of an assertion for the test report."""
+
+ asserter_str = ""
+ if asserter is not None:
+ asserter_str = "\n\tearl:assertedBy <%s> ;" % asserter
+
+ return """
+[]
+\ta earl:Assertion ;%s
+\tearl:subject <http://drobilla.net/sw/serd> ;
+\tearl:test <%s> ;
+\tearl:result [
+\t\ta earl:TestResult ;
+\t\tearl:outcome %s ;
+\t\tdc:date "%s"^^xsd:dateTime
+\t] .
+""" % (
+ asserter_str,
+ test,
+ "earl:passed" if passed else "earl:failed",
+ datetime.datetime.now().replace(microsecond=0).isoformat(),
+ )
+
+
+def log_error(message):
+ """Log an error message to stderr"""
+
+ sys.stderr.write("error: ")
+ sys.stderr.write(message)
+
+
+def test_thru(
+ base_uri,
+ path,
+ check_path,
+ out_test_dir,
+ flags,
+ isyntax,
+ osyntax,
+ command_prefix,
+):
+ """Test lossless round-tripping through two different syntaxes."""
+
+ assert isyntax is not None
+ assert osyntax is not None
+
+ test_name = os.path.basename(path)
+ out_path = os.path.join(out_test_dir, test_name + ".pass")
+ thru_path = os.path.join(out_test_dir, test_name + ".thru")
+
+ out_cmd = (
+ command_prefix
+ + [f for sublist in flags for f in sublist]
+ + [
+ "-i",
+ isyntax,
+ "-o",
+ isyntax,
+ "-p",
+ "foo",
+ path,
+ base_uri,
+ ]
+ )
+
+ thru_cmd = command_prefix + [
+ "-i",
+ isyntax,
+ "-o",
+ osyntax,
+ "-c",
+ "foo",
+ out_path,
+ base_uri,
+ ]
+
+ with open(out_path, "wb") as out:
+ subprocess.run(out_cmd, check=True, stdout=out)
+
+ with open(thru_path, "wb") as out:
+ subprocess.run(thru_cmd, check=True, stdout=out)
+
+ if not _file_equals(check_path, thru_path):
+ log_error(
+ "Round-tripped output {} does not match {}\n".format(
+ check_path, thru_path
+ )
+ )
+ return 1
+
+ return 0
+
+
+def _uri_path(uri):
+ path = urllib.parse.urlparse(uri).path
+ drive = os.path.splitdrive(path[1:])[0]
+ return path if not drive else path[1:]
+
+
+def _test_input_syntax(test_class):
+ """Return the output syntax use for a given test class."""
+
+ if "NTriples" in test_class:
+ return "NTriples"
+
+ if "Turtle" in test_class:
+ return "Turtle"
+
+ if "NQuads" in test_class:
+ return "NQuads"
+
+ if "Trig" in test_class:
+ return "Trig"
+
+ raise Exception("Unknown test class <{}>".format(test_class))
+
+
+def _test_output_syntax(test_class):
+ """Return the output syntax use for a given test class."""
+
+ if "NTriples" in test_class or "Turtle" in test_class:
+ return "NTriples"
+
+ if "NQuads" in test_class or "Trig" in test_class:
+ return "NQuads"
+
+ raise Exception("Unknown test class <{}>".format(test_class))
+
+
+def _load_rdf(filename, base_uri, command_prefix):
+ """Load an RDF file as dictionaries via serdi (only supports URIs)."""
+
+ rdf_type = "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
+ model = {}
+ instances = {}
+
+ cmd = command_prefix + [filename, base_uri]
+ proc = subprocess.run(cmd, capture_output=True, check=True)
+ for line in proc.stdout.splitlines():
+ matches = re.match(
+ r"<([^ ]*)> <([^ ]*)> <([^ ]*)> \.", line.decode("utf-8")
+ )
+ if matches:
+ s, p, o = (matches.group(1), matches.group(2), matches.group(3))
+ if s not in model:
+ model[s] = {p: [o]}
+ elif p not in model[s]:
+ model[s][p] = [o]
+ else:
+ model[s][p].append(o)
+
+ if p == rdf_type:
+ if o not in instances:
+ instances[o] = set([s])
+ else:
+ instances[o].update([s])
+
+ return model, instances
+
+
+def _option_combinations(options):
+ """Return an iterator that cycles through all combinations of options."""
+
+ combinations = []
+ for count in range(len(options) + 1):
+ combinations += list(itertools.combinations(options, count))
+
+ return itertools.cycle(combinations)
+
+
+def _show_diff(from_lines, to_lines, from_filename, to_filename):
+ same = True
+ for line in difflib.unified_diff(
+ from_lines,
+ to_lines,
+ fromfile=os.path.abspath(from_filename),
+ tofile=os.path.abspath(to_filename),
+ ):
+ sys.stderr.write(line)
+ same = False
+
+ return same
+
+
+def _file_equals(patha, pathb):
+
+ for path in (patha, pathb):
+ if not os.access(path, os.F_OK):
+ log_error("missing file {}\n".format(path))
+ return False
+
+ with open(patha, "r", encoding="utf-8") as fa:
+ with open(pathb, "r", encoding="utf-8") as fb:
+ return _show_diff(fa.readlines(), fb.readlines(), patha, pathb)
+
+
+def test_suite(
+ manifest_path,
+ base_uri,
+ report_filename,
+ input_syntax,
+ command_prefix,
+):
+ """Run all tests in a test suite manifest."""
+
+ mf = "http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#"
+ test_dir = os.path.dirname(manifest_path)
+ model, instances = _load_rdf(manifest_path, base_uri, command_prefix)
+
+ top_dir = os.path.commonpath([os.getcwd(), os.path.abspath(test_dir)])
+ out_test_dir = os.path.relpath(test_dir, top_dir)
+
+ os.makedirs(out_test_dir, exist_ok=True)
+
+ asserter = ""
+ if os.getenv("USER") == "drobilla":
+ asserter = "http://drobilla.net/drobilla#me"
+
+ class Results:
+ def __init__(self):
+ self.n_tests = 0
+ self.n_failures = 0
+
+ def run_tests(test_class, tests, expected_return, results):
+ thru_flags = [["-e"], ["-f"], ["-b"], ["-r", "http://example.org/"]]
+ osyntax = _test_output_syntax(test_class)
+ thru_options_iter = _option_combinations(thru_flags)
+
+ if input_syntax is not None:
+ isyntax = input_syntax
+ else:
+ isyntax = _test_input_syntax(test_class)
+
+ for test in sorted(tests):
+ test_uri = model[test][mf + "action"][0]
+ test_uri_path = _uri_path(test_uri)
+ test_name = os.path.basename(test_uri_path)
+ test_path = os.path.join(test_dir, test_name)
+
+ command = command_prefix + ["-f", test_path, test_uri]
+ command_string = " ".join(shlex.quote(c) for c in command)
+ out_filename = os.path.join(out_test_dir, test_name + ".out")
+
+ results.n_tests += 1
+
+ if expected_return == 0: # Positive test
+
+ # Run strict test
+ with open(out_filename, "w") as stdout:
+ proc = subprocess.run(command, check=False, stdout=stdout)
+ if proc.returncode == 0:
+ passed = True
+ else:
+ results.n_failures += 1
+ log_error(
+ "Unexpected failure of command: {}\n".format(
+ command_string
+ )
+ )
+
+ if proc.returncode == 0 and mf + "result" in model[test]:
+
+ # Check output against expected output from test suite
+ check_uri = model[test][mf + "result"][0]
+ check_filename = os.path.basename(_uri_path(check_uri))
+ check_path = os.path.join(test_dir, check_filename)
+
+ if not _file_equals(check_path, out_filename):
+ results.n_failures += 1
+ log_error(
+ "Output {} does not match {}\n".format(
+ out_filename, check_path
+ )
+ )
+
+ # Run round-trip tests
+ results.n_failures += test_thru(
+ test_uri,
+ test_path,
+ check_path,
+ out_test_dir,
+ list(next(thru_options_iter)),
+ isyntax,
+ osyntax,
+ command_prefix,
+ )
+
+ else: # Negative test
+ with open(out_filename, "w") as stdout:
+ with tempfile.TemporaryFile() as stderr:
+ proc = subprocess.run(
+ command, check=False, stdout=stdout, stderr=stderr
+ )
+
+ if proc.returncode != 0:
+ passed = True
+ else:
+ results.n_failures += 1
+ log_error(
+ "Unexpected success of command: {}\n".format(
+ command_string
+ )
+ )
+
+ # Check that an error message was printed
+ stderr.seek(0, 2) # Seek to end
+ if stderr.tell() == 0: # Empty
+ results.n_failures += 1
+ log_error(
+ "No error message printed by command: {}\n".format(
+ command_string
+ )
+ )
+ result = 1
+
+ # Write test report entry
+ if report_filename:
+ with open(report_filename, "a") as report:
+ report.write(earl_assertion(test, passed, asserter))
+
+ # Run all test types in the test suite
+ results = Results()
+ ns_rdftest = "http://www.w3.org/ns/rdftest#"
+ for test_class, instances in instances.items():
+ if test_class.startswith(ns_rdftest):
+ expected = (
+ 1
+ if "-l" not in command_prefix and "Negative" in test_class
+ else 0
+ )
+ run_tests(test_class, instances, expected, results)
+
+ # Print result summary
+ if results.n_failures > 0:
+ log_error(
+ "{}/{} tests failed\n".format(results.n_failures, results.n_tests)
+ )
+ else:
+ sys.stdout.write("All {} tests passed\n".format(results.n_tests))
+
+ return results.n_failures
+
+
+def main():
+ """Run the command line tool."""
+
+ parser = argparse.ArgumentParser(
+ usage="%(prog)s [OPTION]... MANIFEST BASE_URI -- [SERDI_OPTION]...",
+ description=__doc__,
+ formatter_class=argparse.RawDescriptionHelpFormatter,
+ )
+
+ parser.add_argument("--report", help="path to write result report to")
+ parser.add_argument("--serdi", default="serdi", help="path to serdi")
+ parser.add_argument("--syntax", default=None, help="input syntax")
+ parser.add_argument("--wrapper", default="", help="executable wrapper")
+ parser.add_argument("manifest", help="test suite manifest.ttl file")
+ parser.add_argument("base_uri", help="base URI for tests")
+ parser.add_argument(
+ "serdi_option", nargs=argparse.REMAINDER, help="option for serdi"
+ )
+
+ args = parser.parse_args(sys.argv[1:])
+ command_prefix = (
+ shlex.split(args.wrapper) + [args.serdi] + args.serdi_option
+ )
+
+ return test_suite(
+ args.manifest,
+ args.base_uri,
+ args.report,
+ args.syntax,
+ command_prefix,
+ )
+
+
+if __name__ == "__main__":
+ try:
+ sys.exit(main())
+ except subprocess.CalledProcessError as e:
+ if e.stderr is not None:
+ sys.stderr.write(e.stderr.decode("utf-8"))
+
+ sys.stderr.write("error: %s\n" % e)
+ sys.exit(e.returncode)