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matekasse/venv/lib/python3.11/site-packages/coverage/report.py
2023-07-28 23:30:45 +02:00

281 lines
10 KiB
Python

# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
"""Summary reporting"""
from __future__ import annotations
import sys
from typing import Any, IO, Iterable, List, Optional, Tuple, TYPE_CHECKING
from coverage.exceptions import ConfigError, NoDataError
from coverage.misc import human_sorted_items
from coverage.plugin import FileReporter
from coverage.report_core import get_analysis_to_report
from coverage.results import Analysis, Numbers
from coverage.types import TMorf
if TYPE_CHECKING:
from coverage import Coverage
class SummaryReporter:
"""A reporter for writing the summary report."""
def __init__(self, coverage: Coverage) -> None:
self.coverage = coverage
self.config = self.coverage.config
self.branches = coverage.get_data().has_arcs()
self.outfile: Optional[IO[str]] = None
self.output_format = self.config.format or "text"
if self.output_format not in {"text", "markdown", "total"}:
raise ConfigError(f"Unknown report format choice: {self.output_format!r}")
self.fr_analysis: List[Tuple[FileReporter, Analysis]] = []
self.skipped_count = 0
self.empty_count = 0
self.total = Numbers(precision=self.config.precision)
def write(self, line: str) -> None:
"""Write a line to the output, adding a newline."""
assert self.outfile is not None
self.outfile.write(line.rstrip())
self.outfile.write("\n")
def write_items(self, items: Iterable[str]) -> None:
"""Write a list of strings, joined together."""
self.write("".join(items))
def _report_text(
self,
header: List[str],
lines_values: List[List[Any]],
total_line: List[Any],
end_lines: List[str],
) -> None:
"""Internal method that prints report data in text format.
`header` is a list with captions.
`lines_values` is list of lists of sortable values.
`total_line` is a list with values of the total line.
`end_lines` is a list of ending lines with information about skipped files.
"""
# Prepare the formatting strings, header, and column sorting.
max_name = max([len(line[0]) for line in lines_values] + [5]) + 1
max_n = max(len(total_line[header.index("Cover")]) + 2, len(" Cover")) + 1
max_n = max([max_n] + [len(line[header.index("Cover")]) + 2 for line in lines_values])
formats = dict(
Name="{:{name_len}}",
Stmts="{:>7}",
Miss="{:>7}",
Branch="{:>7}",
BrPart="{:>7}",
Cover="{:>{n}}",
Missing="{:>10}",
)
header_items = [
formats[item].format(item, name_len=max_name, n=max_n)
for item in header
]
header_str = "".join(header_items)
rule = "-" * len(header_str)
# Write the header
self.write(header_str)
self.write(rule)
formats.update(dict(Cover="{:>{n}}%"), Missing=" {:9}")
for values in lines_values:
# build string with line values
line_items = [
formats[item].format(str(value),
name_len=max_name, n=max_n-1) for item, value in zip(header, values)
]
self.write_items(line_items)
# Write a TOTAL line
if lines_values:
self.write(rule)
line_items = [
formats[item].format(str(value),
name_len=max_name, n=max_n-1) for item, value in zip(header, total_line)
]
self.write_items(line_items)
for end_line in end_lines:
self.write(end_line)
def _report_markdown(
self,
header: List[str],
lines_values: List[List[Any]],
total_line: List[Any],
end_lines: List[str],
) -> None:
"""Internal method that prints report data in markdown format.
`header` is a list with captions.
`lines_values` is a sorted list of lists containing coverage information.
`total_line` is a list with values of the total line.
`end_lines` is a list of ending lines with information about skipped files.
"""
# Prepare the formatting strings, header, and column sorting.
max_name = max((len(line[0].replace("_", "\\_")) for line in lines_values), default=0)
max_name = max(max_name, len("**TOTAL**")) + 1
formats = dict(
Name="| {:{name_len}}|",
Stmts="{:>9} |",
Miss="{:>9} |",
Branch="{:>9} |",
BrPart="{:>9} |",
Cover="{:>{n}} |",
Missing="{:>10} |",
)
max_n = max(len(total_line[header.index("Cover")]) + 6, len(" Cover "))
header_items = [formats[item].format(item, name_len=max_name, n=max_n) for item in header]
header_str = "".join(header_items)
rule_str = "|" + " ".join(["- |".rjust(len(header_items[0])-1, "-")] +
["-: |".rjust(len(item)-1, "-") for item in header_items[1:]]
)
# Write the header
self.write(header_str)
self.write(rule_str)
for values in lines_values:
# build string with line values
formats.update(dict(Cover="{:>{n}}% |"))
line_items = [
formats[item].format(str(value).replace("_", "\\_"), name_len=max_name, n=max_n-1)
for item, value in zip(header, values)
]
self.write_items(line_items)
# Write the TOTAL line
formats.update(dict(Name="|{:>{name_len}} |", Cover="{:>{n}} |"))
total_line_items: List[str] = []
for item, value in zip(header, total_line):
if value == "":
insert = value
elif item == "Cover":
insert = f" **{value}%**"
else:
insert = f" **{value}**"
total_line_items += formats[item].format(insert, name_len=max_name, n=max_n)
self.write_items(total_line_items)
for end_line in end_lines:
self.write(end_line)
def report(self, morfs: Optional[Iterable[TMorf]], outfile: Optional[IO[str]] = None) -> float:
"""Writes a report summarizing coverage statistics per module.
`outfile` is a text-mode file object to write the summary to.
"""
self.outfile = outfile or sys.stdout
self.coverage.get_data().set_query_contexts(self.config.report_contexts)
for fr, analysis in get_analysis_to_report(self.coverage, morfs):
self.report_one_file(fr, analysis)
if not self.total.n_files and not self.skipped_count:
raise NoDataError("No data to report.")
if self.output_format == "total":
self.write(self.total.pc_covered_str)
else:
self.tabular_report()
return self.total.pc_covered
def tabular_report(self) -> None:
"""Writes tabular report formats."""
# Prepare the header line and column sorting.
header = ["Name", "Stmts", "Miss"]
if self.branches:
header += ["Branch", "BrPart"]
header += ["Cover"]
if self.config.show_missing:
header += ["Missing"]
column_order = dict(name=0, stmts=1, miss=2, cover=-1)
if self.branches:
column_order.update(dict(branch=3, brpart=4))
# `lines_values` is list of lists of sortable values.
lines_values = []
for (fr, analysis) in self.fr_analysis:
nums = analysis.numbers
args = [fr.relative_filename(), nums.n_statements, nums.n_missing]
if self.branches:
args += [nums.n_branches, nums.n_partial_branches]
args += [nums.pc_covered_str]
if self.config.show_missing:
args += [analysis.missing_formatted(branches=True)]
args += [nums.pc_covered]
lines_values.append(args)
# Line sorting.
sort_option = (self.config.sort or "name").lower()
reverse = False
if sort_option[0] == "-":
reverse = True
sort_option = sort_option[1:]
elif sort_option[0] == "+":
sort_option = sort_option[1:]
sort_idx = column_order.get(sort_option)
if sort_idx is None:
raise ConfigError(f"Invalid sorting option: {self.config.sort!r}")
if sort_option == "name":
lines_values = human_sorted_items(lines_values, reverse=reverse)
else:
lines_values.sort(
key=lambda line: (line[sort_idx], line[0]), # type: ignore[index]
reverse=reverse,
)
# Calculate total if we had at least one file.
total_line = ["TOTAL", self.total.n_statements, self.total.n_missing]
if self.branches:
total_line += [self.total.n_branches, self.total.n_partial_branches]
total_line += [self.total.pc_covered_str]
if self.config.show_missing:
total_line += [""]
# Create other final lines.
end_lines = []
if self.config.skip_covered and self.skipped_count:
file_suffix = "s" if self.skipped_count>1 else ""
end_lines.append(
f"\n{self.skipped_count} file{file_suffix} skipped due to complete coverage."
)
if self.config.skip_empty and self.empty_count:
file_suffix = "s" if self.empty_count > 1 else ""
end_lines.append(f"\n{self.empty_count} empty file{file_suffix} skipped.")
if self.output_format == "markdown":
formatter = self._report_markdown
else:
formatter = self._report_text
formatter(header, lines_values, total_line, end_lines)
def report_one_file(self, fr: FileReporter, analysis: Analysis) -> None:
"""Report on just one file, the callback from report()."""
nums = analysis.numbers
self.total += nums
no_missing_lines = (nums.n_missing == 0)
no_missing_branches = (nums.n_partial_branches == 0)
if self.config.skip_covered and no_missing_lines and no_missing_branches:
# Don't report on 100% files.
self.skipped_count += 1
elif self.config.skip_empty and nums.n_statements == 0:
# Don't report on empty files.
self.empty_count += 1
else:
self.fr_analysis.append((fr, analysis))