38e714f229
Use the new `api.setup_stdio` instead of providing an exact copy of that in the test code.
152 lines
5.1 KiB
Python
152 lines
5.1 KiB
Python
#
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# Test for monitoring classes and integration
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#
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import io
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import json
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import os
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import multiprocessing as mp
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import sys
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import tempfile
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import unittest
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from collections import defaultdict
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import osbuild
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import osbuild.meta
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from osbuild.api import API
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from osbuild.monitor import LogMonitor
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from .. import test
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def echo(path):
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"""echo stdin to stdout after setting stdio up via API
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Meant to be called as the main function in a process
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simulating an osbuild runner and a stage run which does
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nothing but returns the supplied options to stdout again.
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"""
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osbuild.api.setup_stdio(path)
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data = json.load(sys.stdin)
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json.dump(data, sys.stdout)
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sys.exit(0)
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class TapeMonitor(osbuild.monitor.BaseMonitor):
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"""Record the usage of all called functions"""
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def __init__(self):
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super().__init__(sys.stderr.fileno())
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self.counter = defaultdict(int)
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self.stages = set()
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self.asm = None
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self.results = set()
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self.logger = io.StringIO()
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def begin(self, pipeline: osbuild.Pipeline):
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self.counter["begin"] += 1
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def finish(self, result):
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self.counter["finish"] += 1
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self.output = self.logger.getvalue()
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def stage(self, stage: osbuild.Stage):
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self.counter["stages"] += 1
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self.stages.add(stage.id)
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def assembler(self, assembler: osbuild.Assembler):
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self.counter["assembler"] += 1
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self.asm = assembler.id
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def result(self, result: osbuild.pipeline.BuildResult):
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self.counter["result"] += 1
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self.results.add(result.id)
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def log(self, message: str):
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self.counter["log"] += 1
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self.logger.write(message)
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class TestMonitor(unittest.TestCase):
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def test_log_monitor_api(self):
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# Basic log and API integration check
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with tempfile.TemporaryDirectory() as tmpdir:
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args = {"foo": "bar"}
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path = os.path.join(tmpdir, "osbuild-api")
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logfile = os.path.join(tmpdir, "log.txt")
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with open(logfile, "w") as log, \
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API(path, args, LogMonitor(log.fileno())) as api:
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p = mp.Process(target=echo, args=(path, ))
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p.start()
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p.join()
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self.assertEqual(p.exitcode, 0)
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output = api.output # pylint: disable=no-member
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assert output
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self.assertEqual(json.dumps(args), output)
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with open(logfile) as f:
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log = f.read()
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self.assertEqual(log, output)
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@unittest.skipUnless(test.TestBase.can_bind_mount(), "root-only")
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def test_log_monitor_vfuncs(self):
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# Checks the basic functioning of the LogMonitor
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pipeline = osbuild.Pipeline("org.osbuild.linux")
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pipeline.add_stage("org.osbuild.noop", {}, {
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"isthisthereallife": False
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})
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pipeline.set_assembler("org.osbuild.noop")
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with tempfile.TemporaryDirectory() as tmpdir:
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storedir = os.path.join(tmpdir, "store")
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outputdir = os.path.join(tmpdir, "output")
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logfile = os.path.join(tmpdir, "log.txt")
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with open(logfile, "w") as log:
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monitor = LogMonitor(log.fileno())
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res = pipeline.run(storedir,
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monitor,
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libdir=os.path.abspath(os.curdir),
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output_directory=outputdir)
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with open(logfile) as f:
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log = f.read()
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assert res
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self.assertIn(pipeline.stages[0].id, log)
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self.assertIn(pipeline.assembler.id, log)
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self.assertIn("isthisthereallife", log)
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@unittest.skipUnless(test.TestBase.can_bind_mount(), "root-only")
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def test_monitor_integration(self):
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# Checks the monitoring API is called properly from the pipeline
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pipeline = osbuild.Pipeline("org.osbuild.linux")
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pipeline.add_stage("org.osbuild.noop", {}, {
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"isthisthereallife": False
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})
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pipeline.add_stage("org.osbuild.noop", {}, {
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"isthisjustfantasy": True
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})
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pipeline.set_assembler("org.osbuild.noop")
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with tempfile.TemporaryDirectory() as tmpdir:
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storedir = os.path.join(tmpdir, "store")
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outputdir = os.path.join(tmpdir, "output")
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tape = TapeMonitor()
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res = pipeline.run(storedir,
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tape,
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libdir=os.path.abspath(os.curdir),
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output_directory=outputdir)
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assert res
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self.assertEqual(tape.counter["begin"], 1)
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self.assertEqual(tape.counter["finish"], 1)
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self.assertEqual(tape.counter["stages"], 2)
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self.assertEqual(tape.counter["assembler"], 1)
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self.assertEqual(tape.counter["stages"], 2)
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self.assertEqual(tape.counter["result"], 3)
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self.assertIn(pipeline.stages[0].id, tape.stages)
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self.assertIn(pipeline.assembler.id, tape.asm)
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self.assertIn("isthisthereallife", tape.output)
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self.assertIn("isthisjustfantasy", tape.output)
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