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test_dzonegit.py
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test_dzonegit.py
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import pytest
import subprocess
import time
import datetime
import os
from io import StringIO, BytesIO
from pathlib import Path
import dzonegit
@pytest.fixture(scope="session")
def git_dir(tmpdir_factory):
d = tmpdir_factory.getbasetemp()
d.chdir()
subprocess.call(["git", "init"])
subprocess.call(["git", "config", "user.name", "dzonegit pytest"])
subprocess.call(["git", "config", "user.email", "nonexistent@example.com"])
return d
def test_get_head(git_dir):
git_dir.chdir()
assert dzonegit.get_head() == "4b825dc642cb6eb9a060e54bf8d69288fbee4904"
git_dir.join("dummy").write("dummy\n")
subprocess.call(["git", "add", "dummy"])
subprocess.call(["git", "commit", "-m", "dummy"])
assert dzonegit.get_head() != "4b825dc642cb6eb9a060e54bf8d69288fbee4904"
def test_check_whitespace_errors(git_dir):
git_dir.chdir()
git_dir.join("whitespace").write(" ")
subprocess.call(["git", "add", "whitespace"])
with pytest.raises(ValueError):
dzonegit.check_whitespace_errors(dzonegit.get_head())
subprocess.call(["git", "commit", "-m", "whitespace"])
with pytest.raises(ValueError):
dzonegit.check_whitespace_errors("HEAD~", dzonegit.get_head())
subprocess.call(["git", "rm", "-f", "whitespace"])
subprocess.call(["git", "commit", "-m", "rm whitespace"])
dzonegit.check_whitespace_errors(dzonegit.get_head())
dzonegit.check_whitespace_errors("HEAD~", dzonegit.get_head())
def test_get_file_contents(git_dir):
git_dir.chdir()
assert dzonegit.get_file_contents("dummy") == b"dummy\n"
with pytest.raises(subprocess.CalledProcessError):
dzonegit.get_file_contents('nonexistent')
def test_compile_zone():
testzone = b"""
$ORIGIN example.com.
@ 60 IN SOA ns hostmaster (
1234567890 ; serial
3600 ; refresh (1 hour)
900 ; retry (15 minutes)
1814400 ; expire (3 weeks)
60 ; minimum (1 minute)
)
60 IN NS ns
ns.example.com. 60 IN A 192.0.2.1
"""
r = dzonegit.compile_zone("example.org", testzone, missing_dot=True)
assert not r.success
assert r.zonehash is None
assert r.stderr
r = dzonegit.compile_zone("example.com", testzone, missing_dot=True)
assert r.success
assert r.serial == "1234567890"
assert r.zonehash
r2 = dzonegit.compile_zone("example.com", testzone + b"\n\n; some comment")
assert r.zonehash == r2.zonehash
testzone += b"1 60 IN PTR www\n"
dzonegit.compile_zone("example.com", testzone, missing_dot=False)
with pytest.raises(ValueError):
dzonegit.compile_zone("example.com", testzone, missing_dot=True)
def test_compile_unsmudged_zone():
testzone = b"""
$ORIGIN example.com.
@ 60 IN SOA ns hostmaster (
$UNIXTIME ; serial
3600 ; refresh (1 hour)
900 ; retry (15 minutes)
1814400 ; expire (3 weeks)
60 ; minimum (1 minute)
)
60 IN NS ns
ns.example.com. 60 IN A 192.0.2.1
"""
replaced = dzonegit.unixtime_directive(testzone)
assert b"$UNIXTIME" not in replaced
r = dzonegit.compile_zone("example.com", testzone, 123456)
assert r.success
assert r.serial == str(123456)
def test_smudge_serial():
bstdin = BytesIO(b"something $UNIXTIME something")
bstdout = BytesIO()
dzonegit.smudge_serial(bstdin, bstdout, 123456)
assert b"something 123456 something" == bstdout.getvalue()
def test_is_serial_increased():
assert dzonegit.is_serial_increased(1234567890, "2018010100")
assert dzonegit.is_serial_increased("2018010100", "4018010100")
assert dzonegit.is_serial_increased("4018010100", "1234567890")
assert not dzonegit.is_serial_increased(2018010100, "1234567890")
assert not dzonegit.is_serial_increased(1, 1)
def test_get_altered_files(git_dir):
git_dir.chdir()
git_dir.join("dummy").write("dummy2\n")
git_dir.join("new").write("newfile\n")
subprocess.call(["git", "add", "dummy", "new"])
files = set(dzonegit.get_altered_files("HEAD", "AM"))
assert files == {Path("dummy"), Path("new")}
# Refers to test_check_whitespace_errors
files = set(dzonegit.get_altered_files("HEAD~", "D", "HEAD"))
assert files == {Path("whitespace")}
subprocess.call(["git", "checkout", "-f", "HEAD"])
assert set(dzonegit.get_altered_files("HEAD", "AM")) == set()
def test_get_zone_origin():
testzone = b"""
$ORIGIN examPle.com. ;coment
@ 60 IN SOA ns hostmaster 1 60 60 60 60
60 IN NS ns
ns.example.com. 60 IN A 192.0.2.1
$ORIGIN sub
$ORIGIN subsub.example.com.
$ORIGIN example.com.
"""
assert "example.com" == dzonegit.get_zone_origin(testzone)
testzone = b"""
@ 60 IN SOA ns hostmaster 1 60 60 60 60
60 IN NS ns
$ORIGIN example.com.
ns.example.com. 60 IN A 192.0.2.1
"""
assert dzonegit.get_zone_origin(testzone) is None
def test_get_zone_name():
testzone = b"""
$ORIGIN eXample.com. ;coment
@ 60 IN SOA ns hostmaster 1 60 60 60 60
60 IN NS ns
ns.example.com. 60 IN A 192.0.2.1
"""
assert "example.com" == dzonegit.get_zone_name(
"zones/example.com.zone", "",
)
assert "example.com" == dzonegit.get_zone_name(
"zones/example.com.zone", testzone,
)
with pytest.raises(ValueError):
dzonegit.get_zone_name("zones/example.org.zone", testzone)
subprocess.call(["git", "config", "dzonegit.allowfancynames", "TRUE"])
dzonegit.get_zone_name("zones/example.org.zone", testzone)
testzone = b"""
$ORIGIN 240/28.2.0.192.in-addr.arpa.
@ 60 IN SOA ns hostmaster 1 60 60 60 60
60 IN NS ns
ns 60 IN A 192.0.2.1
"""
assert "240/28.2.0.192.in-addr.arpa" == dzonegit.get_zone_name(
"zones/240-28.2.0.192.in-addr.arpa.zone",
testzone,
)
def test_replace_serial(git_dir):
git_dir.join("dummy.zone").write("""
@ 60 IN SOA ns hm 1 61 60 60 60
60 NS ns.example.org.
""")
assert dzonegit.replace_serial(Path("dummy.zone"), "1", "60")
assert git_dir.join("dummy.zone").read() == """
@ 60 IN SOA ns hm 60 61 60 60 60
60 NS ns.example.org.
"""
assert dzonegit.replace_serial(Path("dummy.zone"), "60", "61")
assert git_dir.join("dummy.zone").read() == """
@ 60 IN SOA ns hm 61 61 60 60 60
60 NS ns.example.org.
"""
git_dir.join("dummy.zone").write("""
@ 60 IN SOA ns hm (
60 ; serial
60 ; refresh
60 ; retry
60 ; expire
60 ; minimum
)
60 NS ns.example.org.
""")
assert dzonegit.replace_serial(Path("dummy.zone"), "60", "6000000")
assert git_dir.join("dummy.zone").read() == """
@ 60 IN SOA ns hm (
6000000 ; serial
60 ; refresh
60 ; retry
60 ; expire
60 ; minimum
)
60 NS ns.example.org.
"""
assert not dzonegit.replace_serial(Path("dummy.zone"), "0", "60")
def test_check_updated_zones(git_dir):
git_dir.chdir()
git_dir.join("dummy.zone").write("")
subprocess.call(["git", "add", "dummy.zone"])
with pytest.raises(ValueError):
dzonegit.check_updated_zones(dzonegit.get_head())
subprocess.call(["git", "commit", "-m", "empty dummy.zone"])
with pytest.raises(ValueError):
dzonegit.check_updated_zones("HEAD~", "HEAD")
git_dir.join("dummy.zone").write("""
@ 60 IN SOA ns hm 1 60 60 60 60
60 NS ns.example.com.
""")
subprocess.call(["git", "add", "dummy.zone"])
dzonegit.check_updated_zones(dzonegit.get_head())
subprocess.call(["git", "commit", "-m", "dummy.zone"])
dzonegit.check_updated_zones("HEAD~", "HEAD")
git_dir.join("dummy.zone").write("""
@ 60 IN SOA ns hm 1 60 60 60 60
60 NS ns.example.org.
""")
subprocess.call(["git", "add", "dummy.zone"])
with pytest.raises(ValueError):
dzonegit.check_updated_zones(dzonegit.get_head())
subprocess.call(["git", "commit", "-m", "updated dummy.zone"])
with pytest.raises(ValueError):
dzonegit.check_updated_zones("HEAD~", "HEAD")
git_dir.join("dummy.zone").write("""
$ORIGIN other.
@ 60 IN SOA ns hm 1 60 60 60 60
60 NS ns.example.org.
""")
subprocess.call(["git", "add", "dummy.zone"])
with pytest.raises(ValueError):
dzonegit.check_updated_zones(dzonegit.get_head())
git_dir.join("dummy.zone").write("""
$ORIGIN dummy.
@ 60 IN SOA ns hm 1 61 60 60 60
60 NS ns.example.org.
""")
subprocess.call(["git", "add", "dummy.zone"])
with pytest.raises(ValueError):
dzonegit.check_updated_zones("HEAD", autoupdate_serial=True)
subprocess.call(["git", "add", "dummy.zone"])
dzonegit.check_updated_zones(dzonegit.get_head())
git_dir.join("dummy.zone").write("""
$ORIGIN dummy.
@ 60 IN SOA ns hm $UNIXTIME 61 60 60 60
60 NS ns.example.org.
""")
subprocess.call(["git", "add", "dummy.zone"])
dzonegit.check_updated_zones(dzonegit.get_head())
subprocess.call(["git", "commit", "-m", "dummy.zone with $UNIXTIME"])
git_dir.join("dummy.zone").write("""
$ORIGIN dummy.
@ 60 IN SOA ns hm 1 60 60 60 60
60 NS ns.example.org.
""")
subprocess.call(["git", "add", "dummy.zone"])
with pytest.raises(ValueError):
dzonegit.check_updated_zones(dzonegit.get_head())
git_dir.join("dummy.zone").write("""
$ORIGIN dummy.
@ 60 IN SOA ns hm $UNIXTIME 60 60 60 60
60 NS ns.example.org.
""")
subprocess.call(["git", "add", "dummy.zone"])
dzonegit.check_updated_zones(dzonegit.get_head())
subprocess.call(["git", "commit", "-m", "final dummy.zone"])
dzonegit.check_updated_zones("HEAD~", "HEAD")
def test_get_increased_serial():
assert "2" == dzonegit.get_increased_serial(1)
assert str(int(time.time())) == dzonegit.get_increased_serial(1234567890)
todayser = datetime.date.today().strftime("%Y%m%d00")
assert todayser == dzonegit.get_increased_serial("2018010100")
assert str(int(todayser) + 1) == dzonegit.get_increased_serial(todayser)
def test_get_config():
subprocess.call(["git", "config", "test.bool", "TRUE"])
subprocess.call(["git", "config", "test.bool2", "fAlSe"])
subprocess.call(["git", "config", "test.int", "42"])
assert "TRUE" == dzonegit.get_config("test.bool")
assert dzonegit.get_config("test.bool", bool)
assert not dzonegit.get_config("test.bool2", bool)
assert 42 == dzonegit.get_config("test.int", int)
def test_update(git_dir):
git_dir.chdir()
os.environ.update({"GIT_DIR": str(git_dir.join(".git"))})
with pytest.raises(SystemExit):
dzonegit.update(["update", "refs/heads/slave", "0", "0"])
dzonegit.update([
"update", "refs/heads/master",
"0"*40, dzonegit.get_head(),
])
def test_pre_receive(git_dir):
git_dir.chdir()
revisions = "{} {} ".format(
"4b825dc642cb6eb9a060e54bf8d69288fbee4904",
dzonegit.get_head(),
)
stdin = StringIO(revisions + "refs/heads/slave\n")
with pytest.raises(SystemExit):
dzonegit.pre_receive(stdin)
stdin = StringIO(revisions + "refs/heads/master\n")
dzonegit.pre_receive(stdin)
def test_post_receive(git_dir):
git_dir.chdir()
head = dzonegit.get_head()
revisions = "{} {} refs/heads/master\n".format(
"0000000000000000000000000000000000000000",
head,
)
stdin = StringIO(revisions)
codir = git_dir.join("co")
subprocess.call(["git", "config", "dzonegit.checkoutpath", str(codir)])
subprocess.call([
"git", "config", "dzonegit.reconfigcmd",
"echo TEST >{}/test".format(codir),
])
dzonegit.post_receive(stdin)
assert codir.join("dummy.zone").check()
assert codir.join("test").read() == "TEST\n"
# Test reconfig after renaming the file
codir.join("test").write("")
subprocess.call(["git", "mv", "dummy.zone", "dummy.zone.old"])
subprocess.call(["git", "commit", "-m", "rename dummy zone"])
revisions = "{} {} refs/heads/master\n".format(
head,
dzonegit.get_head(),
)
stdin = StringIO(revisions)
dzonegit.post_receive(stdin)
assert codir.join("test").read() == "TEST\n"
def test_template_config(git_dir):
template = r"""{
"header": "# Managed by dzonegit on $datetime, do not edit.\n",
"footer": "# This is the end",
"item": " - zone: \"$zonename\"\n file: \"$zonefile\"\n $zonevar\n",
"defaultvar": "template: default",
"zonevars": {
"example.com": "template: signed",
"*": "template: dummy"
}
}"""
output = dzonegit.template_config(str(git_dir), template)
assert output.startswith("# Managed by dzonegit")
assert " - zone: \"dummy\"\n file: \"" in output
assert " template: dummy" in output
assert output.endswith("# This is the end")
output = dzonegit.template_config(
str(git_dir),
template,
whitelist=set("a"),
)
assert " - zone: \"dummy\"\n file: \"" not in output
output = dzonegit.template_config(
str(git_dir),
template,
blacklist=set("*"),
)
assert " - zone: \"dummy\"\n file: \"" not in output
output = dzonegit.template_config(str(git_dir), "{}")
assert len(output) == 0
def test_load_set_file(git_dir):
git_dir.join("dummy").write("dummy\n\n # Comment")
s = dzonegit.load_set_file("dummy")
assert s == {"dummy"}
def test_get_zone_wildcards():
assert list(dzonegit.get_zone_wildcards("a.long.zone.name")) == [
"a.long.zone.name", "*.long.zone.name",
"*.zone.name", "*.name", "*",
]
def test_missing_trailing_dot():
zonename = "example.com"
zonedata = b"something.example.com. IN PTR s.example.com."
with pytest.raises(ValueError):
dzonegit.check_missing_trailing_dot(zonename, zonedata)