54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
"""The unittest.TestCase for model-checking TLA+ specifications."""
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import os
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from typing import Optional
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from buildscripts.resmokelib import core, logging
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from buildscripts.resmokelib.testing.testcases import interface
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class TLAPlusTestCase(interface.ProcessTestCase):
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"""A TLA+ specification to model-check."""
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REGISTERED_NAME = "tla_plus_test"
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def __init__(
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self,
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logger: logging.Logger,
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model_config_files: list[str],
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java_binary: Optional[str] = None,
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):
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"""Initialize the TLAPlusTestCase with a TLA+ model config file.
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model_config_file is the full path to a file like
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src/mongo/tla_plus/MongoReplReconfig/MCMongoReplReconfig.cfg.
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java_binary is the full path to the "java" program, or None.
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"""
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assert len(model_config_files) == 1
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message = f"Path '{model_config_files[0]}' doesn't" f" match **/<SpecName>/MC<SpecName>.cfg"
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# spec_dir should be like src/mongo/tla_plus/MongoReplReconfig.
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spec_dir, filename = os.path.split(model_config_files[0])
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if not (spec_dir and filename):
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raise ValueError(message)
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# working_dir is like src/mongo/tla_plus.
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self.working_dir, specname = os.path.split(spec_dir)
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if not specname or filename != f"MC{specname}.cfg":
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raise ValueError(message)
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self.java_binary = java_binary
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interface.ProcessTestCase.__init__(self, logger, "TLA+ test", specname)
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def _make_process(self):
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process_kwargs = {"cwd": self.working_dir}
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if self.java_binary is not None:
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process_kwargs["env_vars"] = {"JAVA_BINARY": self.java_binary}
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return core.programs.generic_program(
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self.logger, ["sh", "model-check.sh", self.test_name], process_kwargs=process_kwargs
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)
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