119 lines
4.0 KiB
Python
Executable File
119 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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'''
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Test whether cargo-miri works properly.
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Assumes the `MIRI_SYSROOT` env var to be set appropriately,
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and the working directory to contain the cargo-miri-test project.
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'''
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import sys, subprocess, os
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CGREEN = '\33[32m'
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CBOLD = '\33[1m'
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CEND = '\33[0m'
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def fail(msg):
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print("\nTEST FAIL: {}".format(msg))
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sys.exit(1)
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def cargo_miri(cmd):
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args = ["cargo", "miri", cmd, "-q"]
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if 'MIRI_TEST_TARGET' in os.environ:
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args += ["--target", os.environ['MIRI_TEST_TARGET']]
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return args
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def test(name, cmd, stdout_ref, stderr_ref, stdin=b'', env={}):
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print("Testing {}...".format(name))
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## Call `cargo miri`, capture all output
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p_env = os.environ.copy()
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p_env.update(env)
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p = subprocess.Popen(
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cmd,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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env=p_env,
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)
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(stdout, stderr) = p.communicate(input=stdin)
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stdout = stdout.decode("UTF-8")
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stderr = stderr.decode("UTF-8")
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if p.returncode == 0 and stdout == open(stdout_ref).read() and stderr == open(stderr_ref).read():
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# All good!
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return
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# Show output
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print("--- BEGIN stdout ---")
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print(stdout, end="")
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print("--- END stdout ---")
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print("--- BEGIN stderr ---")
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print(stderr, end="")
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print("--- END stderr ---")
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fail("exit code was {}".format(p.returncode))
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def test_cargo_miri_run():
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test("`cargo miri run` (no isolation)",
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cargo_miri("run"),
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"stdout.ref1", "stderr.ref1",
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stdin=b'12\n21\n',
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env={
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'MIRIFLAGS': "-Zmiri-disable-isolation",
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'MIRITESTVAR': "wrongval", # make sure the build.rs value takes precedence
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},
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)
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test("`cargo miri run` (with arguments and target)",
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cargo_miri("run") + ["--bin", "cargo-miri-test", "--", "hello world", '"hello world"'],
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"stdout.ref2", "stderr.ref2",
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)
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test("`cargo miri run` (subcrate, no ioslation)",
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cargo_miri("run") + ["-p", "subcrate"],
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"stdout.ref3", "stderr.ref3",
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env={'MIRIFLAGS': "-Zmiri-disable-isolation"},
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)
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def test_cargo_miri_test():
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# rustdoc is not run on foreign targets
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is_foreign = 'MIRI_TEST_TARGET' in os.environ
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rustdoc_ref = "test.stderr.ref2" if is_foreign else "test.stderr.ref1"
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test("`cargo miri test`",
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cargo_miri("test"),
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"test.stdout.ref1", rustdoc_ref,
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env={'MIRIFLAGS': "-Zmiri-seed=feed"},
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)
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test("`cargo miri test` (no isolation)",
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cargo_miri("test"),
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"test.stdout.ref1", rustdoc_ref,
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env={'MIRIFLAGS': "-Zmiri-disable-isolation"},
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)
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test("`cargo miri test` (with filter)",
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cargo_miri("test") + ["--", "--format=pretty", "le1"],
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"test.stdout.ref2", rustdoc_ref,
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)
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test("`cargo miri test` (test target)",
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cargo_miri("test") + ["--test", "test", "--", "--format=pretty"],
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"test.stdout.ref3", "test.stderr.ref2",
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)
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test("`cargo miri test` (bin target)",
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cargo_miri("test") + ["--bin", "cargo-miri-test", "--", "--format=pretty"],
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"test.stdout.ref4", "test.stderr.ref2",
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)
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test("`cargo miri test` (subcrate, no isolation)",
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cargo_miri("test") + ["-p", "subcrate"],
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"test.stdout.ref5", "test.stderr.ref2",
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env={'MIRIFLAGS': "-Zmiri-disable-isolation"},
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)
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os.chdir(os.path.dirname(os.path.realpath(__file__)))
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os.environ["RUST_TEST_NOCAPTURE"] = "0" # this affects test output, so make sure it is not set
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target_str = " for target {}".format(os.environ['MIRI_TEST_TARGET']) if 'MIRI_TEST_TARGET' in os.environ else ""
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print(CGREEN + CBOLD + "## Running `cargo miri` tests{}".format(target_str) + CEND)
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if not 'MIRI_SYSROOT' in os.environ:
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# Make sure we got a working sysroot.
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# (If the sysroot gets built later when output is compared, that leads to test failures.)
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subprocess.run(cargo_miri("setup"), check=True)
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test_cargo_miri_run()
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test_cargo_miri_test()
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print("\nTEST SUCCESSFUL!")
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sys.exit(0)
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