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import platform
from pathlib import Path
import pytest
# Default encoding is platform specific.
if platform.platform() == "Windows":
CONSOLE_ENCODING = "cp437"
else:
CONSOLE_ENCODING = "UTF-8"
def test_no_overrides(mock_sub):
"""With no overrides, there are still kwargs."""
assert mock_sub.final_kwargs() == {
"text": True,
"encoding": CONSOLE_ENCODING,
"errors": "backslashreplace",
}
def test_explicit_no_overrides(mock_sub):
"""With explicitly no overrides, there are still kwargs."""
assert mock_sub.final_kwargs(env=None) == {
"env": {
"VAR1": "Value 1",
"PS1": "\nLine 2\n\nLine 4",
"PWD": "/home/user/",
},
"text": True,
"encoding": CONSOLE_ENCODING,
"errors": "backslashreplace",
}
def test_env_overrides(mock_sub):
"""If environmental overrides are provided, they supersede the default
environment."""
assert mock_sub.final_kwargs(env={"NEWVAR": "value", "VAR1": "New Value"}) == {
"env": {
"VAR1": "New Value",
"PS1": "\nLine 2\n\nLine 4",
"PWD": "/home/user/",
"NEWVAR": "value",
},
"text": True,
"encoding": CONSOLE_ENCODING,
"errors": "backslashreplace",
}
def test_env_overrides_none(mock_sub):
"""Any overrides set to None are absent in the final kwargs."""
assert mock_sub.final_kwargs(env={"NEWVAR": "val", "VAR1": None, "VAR2": None}) == {
"env": {
"PS1": "\nLine 2\n\nLine 4",
"PWD": "/home/user/",
"NEWVAR": "val",
},
"text": True,
"encoding": CONSOLE_ENCODING,
"errors": "backslashreplace",
}
def test_cwd_provided(mock_sub):
"""If a cwd is provided, it is reflected in the environment."""
cwd_override = "/my/current/path"
assert mock_sub.final_kwargs(cwd=cwd_override) == {
"text": True,
"encoding": CONSOLE_ENCODING,
"errors": "backslashreplace",
"cwd": cwd_override,
}
def test_non_str_cwd_provided(mock_sub):
"""If the cwd isn't a string, it's converted to string."""
cwd_override = Path("/my/current/path")
assert mock_sub.final_kwargs(cwd=cwd_override) == {
"text": True,
"encoding": CONSOLE_ENCODING,
"errors": "backslashreplace",
"cwd": str(cwd_override),
}
@pytest.mark.parametrize(
"in_kwargs, final_kwargs",
[
# Default handling
(
{},
{"text": True, "encoding": CONSOLE_ENCODING, "errors": "backslashreplace"},
),
# Explicit text/universal_newlines provided
(
{"text": True},
{"text": True, "encoding": CONSOLE_ENCODING, "errors": "backslashreplace"},
),
({"text": False}, {"text": False}),
({"universal_newlines": False}, {"text": False}),
(
{"universal_newlines": True},
{"text": True, "encoding": CONSOLE_ENCODING, "errors": "backslashreplace"},
),
# Explicit encoding provided
(
{"encoding": "ibm850"},
{"text": True, "encoding": "ibm850", "errors": "backslashreplace"},
),
(
{"text": True, "encoding": "ibm850"},
{"text": True, "encoding": "ibm850", "errors": "backslashreplace"},
),
(
{"text": False, "encoding": "ibm850"},
{"text": True, "encoding": "ibm850", "errors": "backslashreplace"},
),
(
{"universal_newlines": False, "encoding": "ibm850"},
{"text": True, "encoding": "ibm850", "errors": "backslashreplace"},
),
(
{"universal_newlines": True, "encoding": "ibm850"},
{"text": True, "encoding": "ibm850", "errors": "backslashreplace"},
),
# Explicit errors provided
(
{"errors": "emojireplace"},
{"text": True, "encoding": CONSOLE_ENCODING, "errors": "emojireplace"},
),
(
{"encoding": "ascii", "errors": "emojireplace"},
{"text": True, "encoding": "ascii", "errors": "emojireplace"},
),
(
{"text": True, "errors": "emojireplace"},
{"text": True, "encoding": CONSOLE_ENCODING, "errors": "emojireplace"},
),
(
{"text": False, "errors": "emojireplace"},
{"text": True, "encoding": CONSOLE_ENCODING, "errors": "emojireplace"},
),
(
{"universal_newlines": True, "errors": "emojireplace"},
{"text": True, "encoding": CONSOLE_ENCODING, "errors": "emojireplace"},
),
(
{"universal_newlines": False, "errors": "emojireplace"},
{"text": True, "encoding": CONSOLE_ENCODING, "errors": "emojireplace"},
),
],
)
def test_text_conversion(mock_sub, in_kwargs, final_kwargs):
"""Text/universal_newlines is correctly inserted/overridden, with encoding."""
assert mock_sub.final_kwargs(**in_kwargs) == final_kwargs
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