def test_headers_are_immutable():
headers = ("header1", "header2", "im_not_creative")
log = StructuredLog(headers)
with pytest.raises(AttributeError):
log.headers.append("another_header")
assert log.headers == headers
with pytest.raises(AttributeError):
log.headers = ["new_headers"]
assert log.headers == headers
def test_log_string_format_with_value_that_is_None():
log = StructuredLog(["Name", "Age", "Occupation"])
log.append(Name="Alice", Age=28, Occupation="Student")
log.append(Name=None, Age=4, Occupation="Rocket Scientist")
log.append(Name="Charles", Age=65, Occupation="Retired")
assert (str(log) == "Name Age Occupation \n" +
"Alice 28 Student \n" +
"None 4 Rocket Scientist\n" + "Charles 65 Retired ")
def test_find_max_field_length():
log = StructuredLog(
["some_header", "another_header", "a_very_wimpy_header_not_really"])
log.append(some_header="some value", another_header="another value")
log.append(some_header="some other value",
another_header="another interesting value")
log.append(some_header="some strange value",
another_header="another simple value")
assert log._max_field_length() == {
"some_header": 18,
"another_header": 25,
"a_very_wimpy_header_not_really": 30,
}
def test_store_headers_after_create():
headers = [
"header1",
"header2",
"im_not_creative",
]
log = StructuredLog(headers)
assert list(log.headers) == [
"header1",
"header2",
"im_not_creative",
]
def test_dunder_string_becomes_log_string():
log = StructuredLog(["some_header", "another_header"])
log.append(some_header="some value", another_header="another value")
assert str(log) == log._log_string
def test_log_string_is_updated_after_append_and_calling_dunder_str():
log = StructuredLog(["some_header", "another_header"])
log.append(some_header="some value", another_header="another value")
original_log_string = log._log_string
str(log)
assert original_log_string != log._log_string
def test_updated_is_true_after_append():
log = StructuredLog(["some_header", "another_header"])
log.append(some_header="some value")
assert log._changed_since_last_construct
def test_log_string_is_only_headers_immediately_after_creation():
log = StructuredLog(["some_header", "another_header"])
assert log._log_string == "some_header another_header"
def test_log_updated_is_false_immediately_after_creation():
log = StructuredLog(["some_header", "another_header"])
assert not log._changed_since_last_construct
def test_append_row_blank_values_are_StructuredLogBLANK():
log = StructuredLog(["some_header", "another_header"])
log.append(some_header="some value")
assert log._rows[0].another_header is StructuredLog._BLANK
def test_bool_matches_bool_rows():
log = StructuredLog("Name Age Occupation".split())
assert not bool(log)
log.append(Name="Alice", Age=28, Occupation="Student")
assert bool(log)
def test_dunder_str_is_only_headers_immediately_after_creation():
log = StructuredLog(["some_header", "another_header"])
log_string = str(log)
assert "some_header" in log_string and "another_header" in log_string
def test_stores_empty_rows_immediately_after_creation():
log = StructuredLog(["some_headers"])
assert len(log._rows) == 0
def test_log_string_format_like_issue_9():
log = StructuredLog("MACAddress IP Port Repeat".split())
log.append(MACAddress="-".join(["AA"] * 6),
IP=".".join(["255"] * 4),
Port=9,
Repeat=3)
log.append(MACAddress="-".join(["BB"] * 6),
IP=".".join(["255"] * 4),
Port=9,
Repeat=3)
log.append(MACAddress="-".join(["CC"] * 6),
IP=".".join(["255"] * 4),
Port=9,
Repeat=3)
log.append(MACAddress="-".join(["DD"] * 6),
IP=".".join(["255"] * 4),
Port=9,
Repeat=3)
log.append(MACAddress="-".join(["EE"] * 6),
IP="some.special.ip.address",
Port=9,
Repeat=3)
assert (
str(log) == "MACAddress IP Port Repeat\n" +
"AA-AA-AA-AA-AA-AA 255.255.255.255 9 3 \n" +
"BB-BB-BB-BB-BB-BB 255.255.255.255 9 3 \n" +
"CC-CC-CC-CC-CC-CC 255.255.255.255 9 3 \n" +
"DD-DD-DD-DD-DD-DD 255.255.255.255 9 3 \n" +
"EE-EE-EE-EE-EE-EE some.special.ip.address 9 3 ")
def test_updated_is_false_after_append_and_dunder_string():
log = StructuredLog(["some_header", "another_header"])
log.append(some_header="some value", another_header="another value")
str(log)
assert not log._changed_since_last_construct
def test_append_row_using_headers():
log = StructuredLog(["some_header", "another_header"])
log.append(some_header="some value", another_header="another value")
assert len(log._rows) == 1
def test_repr():
log = StructuredLog("Name Age Occupation".split())
assert repr(log) == "StructuredLog(['Name', 'Age', 'Occupation'])"