pytest-html/pytest_html/plugin.py

578 lines
20 KiB
Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import
from base64 import b64encode, b64decode
from collections import OrderedDict
from os.path import isfile
import datetime
import json
import os
import pkg_resources
import sys
import time
import bisect
import warnings
import re
try:
from ansi2html import Ansi2HTMLConverter, style
ANSI = True
except ImportError:
# ansi2html is not installed
ANSI = False
from py.xml import html, raw
from . import extras
from . import __version__, __pypi_url__
PY3 = sys.version_info[0] == 3
# Python 2.X and 3.X compatibility
if PY3:
basestring = str
from html import escape
else:
from codecs import open
from cgi import escape
def pytest_addhooks(pluginmanager):
from . import hooks
pluginmanager.add_hookspecs(hooks)
def pytest_addoption(parser):
group = parser.getgroup("terminal reporting")
group.addoption(
"--html",
action="store",
dest="htmlpath",
metavar="path",
default=None,
help="create html report file at given path.",
)
group.addoption(
"--self-contained-html",
action="store_true",
help="create a self-contained html file containing all "
"necessary styles, scripts, and images - this means "
"that the report may not render or function where CSP "
"restrictions are in place (see "
"https://developer.mozilla.org/docs/Web/Security/CSP)",
)
group.addoption(
"--css",
action="append",
metavar="path",
default=[],
help="append given css file content to report style file.",
)
def pytest_configure(config):
htmlpath = config.getoption("htmlpath")
if htmlpath:
for csspath in config.getoption("css"):
if not os.path.exists(csspath):
raise IOError(
"No such file or directory: '{csspath}'".format(csspath=csspath)
)
if not hasattr(config, "slaveinput"):
# prevent opening htmlpath on slave nodes (xdist)
config._html = HTMLReport(htmlpath, config)
config.pluginmanager.register(config._html)
def pytest_unconfigure(config):
html = getattr(config, "_html", None)
if html:
del config._html
config.pluginmanager.unregister(html)
def data_uri(content, mime_type="text/plain", charset="utf-8"):
data = b64encode(content.encode(charset)).decode("ascii")
return "data:{0};charset={1};base64,{2}".format(mime_type, charset, data)
class HTMLReport(object):
def __init__(self, logfile, config):
logfile = os.path.expanduser(os.path.expandvars(logfile))
self.logfile = os.path.abspath(logfile)
self.test_logs = []
self.results = []
self.errors = self.failed = 0
self.passed = self.skipped = 0
self.xfailed = self.xpassed = 0
has_rerun = config.pluginmanager.hasplugin("rerunfailures")
self.rerun = 0 if has_rerun else None
self.self_contained = config.getoption("self_contained_html")
self.config = config
class TestResult:
def __init__(self, outcome, report, logfile, config):
self.test_id = report.nodeid.encode("utf-8").decode("unicode_escape")
if getattr(report, "when", "call") != "call":
self.test_id = "::".join([report.nodeid, report.when])
self.time = getattr(report, "duration", 0.0)
self.outcome = outcome
self.additional_html = []
self.links_html = []
self.self_contained = config.getoption("self_contained_html")
self.logfile = logfile
self.config = config
self.row_table = self.row_extra = None
test_index = hasattr(report, "rerun") and report.rerun + 1 or 0
for extra_index, extra in enumerate(getattr(report, "extra", [])):
self.append_extra_html(extra, extra_index, test_index)
self.append_log_html(report, self.additional_html)
cells = [
html.td(self.outcome, class_="col-result"),
html.td(self.test_id, class_="col-name"),
html.td("{0:.2f}".format(self.time), class_="col-duration"),
html.td(self.links_html, class_="col-links"),
]
self.config.hook.pytest_html_results_table_row(report=report, cells=cells)
self.config.hook.pytest_html_results_table_html(
report=report, data=self.additional_html
)
if len(cells) > 0:
self.row_table = html.tr(cells)
self.row_extra = html.tr(
html.td(self.additional_html, class_="extra", colspan=len(cells))
)
def __lt__(self, other):
order = (
"Error",
"Failed",
"Rerun",
"XFailed",
"XPassed",
"Skipped",
"Passed",
)
return order.index(self.outcome) < order.index(other.outcome)
def create_asset(
self, content, extra_index, test_index, file_extension, mode="w"
):
# 255 is the common max filename length on various filesystems
asset_file_name = "{}_{}_{}.{}".format(
re.sub(r"[^\w\.]", "_", self.test_id),
str(extra_index),
str(test_index),
file_extension,
)[-255:]
asset_path = os.path.join(
os.path.dirname(self.logfile), "assets", asset_file_name
)
if not os.path.exists(os.path.dirname(asset_path)):
os.makedirs(os.path.dirname(asset_path))
relative_path = "{0}/{1}".format("assets", asset_file_name)
kwargs = {"encoding": "utf-8"} if "b" not in mode else {}
with open(asset_path, mode, **kwargs) as f:
f.write(content)
return relative_path
def append_extra_html(self, extra, extra_index, test_index):
href = None
if extra.get("format") == extras.FORMAT_IMAGE:
content = extra.get("content")
try:
is_uri_or_path = content.startswith(("file", "http")) or isfile(
content
)
except ValueError:
# On Windows, os.path.isfile throws this exception when
# passed a b64 encoded image.
is_uri_or_path = False
if is_uri_or_path:
if self.self_contained:
warnings.warn(
"Self-contained HTML report "
"includes link to external "
"resource: {}".format(content)
)
html_div = html.a(html.img(src=content), href=content)
elif self.self_contained:
src = "data:{0};base64,{1}".format(extra.get("mime_type"), content)
html_div = html.img(src=src)
else:
if PY3:
content = content.encode("utf-8")
content = b64decode(content)
href = src = self.create_asset(
content, extra_index, test_index, extra.get("extension"), "wb"
)
html_div = html.a(html.img(src=src), href=href)
self.additional_html.append(html.div(html_div, class_="image"))
elif extra.get("format") == extras.FORMAT_HTML:
self.additional_html.append(html.div(raw(extra.get("content"))))
elif extra.get("format") == extras.FORMAT_JSON:
content = json.dumps(extra.get("content"))
if self.self_contained:
href = data_uri(content, mime_type=extra.get("mime_type"))
else:
href = self.create_asset(
content, extra_index, test_index, extra.get("extension")
)
elif extra.get("format") == extras.FORMAT_TEXT:
content = extra.get("content")
if isinstance(content, bytes):
content = content.decode("utf-8")
if self.self_contained:
href = data_uri(content)
else:
href = self.create_asset(
content, extra_index, test_index, extra.get("extension")
)
elif extra.get("format") == extras.FORMAT_URL:
href = extra.get("content")
if href is not None:
self.links_html.append(
html.a(
extra.get("name"),
class_=extra.get("format"),
href=href,
target="_blank",
)
)
self.links_html.append(" ")
def append_log_html(self, report, additional_html):
log = html.div(class_="log")
if report.longrepr:
for line in report.longreprtext.splitlines():
separator = line.startswith("_ " * 10)
if separator:
log.append(line[:80])
else:
exception = line.startswith("E ")
if exception:
log.append(html.span(raw(escape(line)), class_="error"))
else:
log.append(raw(escape(line)))
log.append(html.br())
for section in report.sections:
header, content = map(escape, section)
log.append(" {0} ".format(header).center(80, "-"))
log.append(html.br())
if ANSI:
converter = Ansi2HTMLConverter(inline=False, escaped=False)
content = converter.convert(content, full=False)
log.append(raw(content))
log.append(html.br())
if len(log) == 0:
log = html.div(class_="empty log")
log.append("No log output captured.")
additional_html.append(log)
def _appendrow(self, outcome, report):
result = self.TestResult(outcome, report, self.logfile, self.config)
if result.row_table is not None:
index = bisect.bisect_right(self.results, result)
self.results.insert(index, result)
tbody = html.tbody(
result.row_table,
class_="{0} results-table-row".format(result.outcome.lower()),
)
if result.row_extra is not None:
tbody.append(result.row_extra)
self.test_logs.insert(index, tbody)
def append_passed(self, report):
if report.when == "call":
if hasattr(report, "wasxfail"):
self.xpassed += 1
self._appendrow("XPassed", report)
else:
self.passed += 1
self._appendrow("Passed", report)
def append_failed(self, report):
if getattr(report, "when", None) == "call":
if hasattr(report, "wasxfail"):
# pytest < 3.0 marked xpasses as failures
self.xpassed += 1
self._appendrow("XPassed", report)
else:
self.failed += 1
self._appendrow("Failed", report)
else:
self.errors += 1
self._appendrow("Error", report)
def append_skipped(self, report):
if hasattr(report, "wasxfail"):
self.xfailed += 1
self._appendrow("XFailed", report)
else:
self.skipped += 1
self._appendrow("Skipped", report)
def append_other(self, report):
# For now, the only "other" the plugin give support is rerun
self.rerun += 1
self._appendrow("Rerun", report)
def _generate_report(self, session):
suite_stop_time = time.time()
suite_time_delta = suite_stop_time - self.suite_start_time
numtests = self.passed + self.failed + self.xpassed + self.xfailed
generated = datetime.datetime.now()
self.style_css = pkg_resources.resource_string(
__name__, os.path.join("resources", "style.css")
)
if PY3:
self.style_css = self.style_css.decode("utf-8")
if ANSI:
ansi_css = [
"\n/******************************",
" * ANSI2HTML STYLES",
" ******************************/\n",
]
ansi_css.extend([str(r) for r in style.get_styles()])
self.style_css += "\n".join(ansi_css)
# <DF> Add user-provided CSS
for path in self.config.getoption("css"):
self.style_css += "\n/******************************"
self.style_css += "\n * CUSTOM CSS"
self.style_css += "\n * {}".format(path)
self.style_css += "\n ******************************/\n\n"
with open(path, "r") as f:
self.style_css += f.read()
css_href = "{0}/{1}".format("assets", "style.css")
html_css = html.link(href=css_href, rel="stylesheet", type="text/css")
if self.self_contained:
html_css = html.style(raw(self.style_css))
head = html.head(
html.meta(charset="utf-8"), html.title("Test Report"), html_css
)
class Outcome:
def __init__(
self, outcome, total=0, label=None, test_result=None, class_html=None
):
self.outcome = outcome
self.label = label or outcome
self.class_html = class_html or outcome
self.total = total
self.test_result = test_result or outcome
self.generate_checkbox()
self.generate_summary_item()
def generate_checkbox(self):
checkbox_kwargs = {"data-test-result": self.test_result.lower()}
if self.total == 0:
checkbox_kwargs["disabled"] = "true"
self.checkbox = html.input(
type="checkbox",
checked="true",
onChange="filter_table(this)",
name="filter_checkbox",
class_="filter",
hidden="true",
**checkbox_kwargs
)
def generate_summary_item(self):
self.summary_item = html.span(
"{0} {1}".format(self.total, self.label), class_=self.class_html
)
outcomes = [
Outcome("passed", self.passed),
Outcome("skipped", self.skipped),
Outcome("failed", self.failed),
Outcome("error", self.errors, label="errors"),
Outcome("xfailed", self.xfailed, label="expected failures"),
Outcome("xpassed", self.xpassed, label="unexpected passes"),
]
if self.rerun is not None:
outcomes.append(Outcome("rerun", self.rerun))
summary = [
html.p(
"{0} tests ran in {1:.2f} seconds. ".format(numtests, suite_time_delta)
),
html.p(
"(Un)check the boxes to filter the results.",
class_="filter",
hidden="true",
),
]
for i, outcome in enumerate(outcomes, start=1):
summary.append(outcome.checkbox)
summary.append(outcome.summary_item)
if i < len(outcomes):
summary.append(", ")
cells = [
html.th("Result", class_="sortable result initial-sort", col="result"),
html.th("Test", class_="sortable", col="name"),
html.th("Duration", class_="sortable numeric", col="duration"),
html.th("Links"),
]
session.config.hook.pytest_html_results_table_header(cells=cells)
results = [
html.h2("Results"),
html.table(
[
html.thead(
html.tr(cells),
html.tr(
[
html.th(
"No results found. Try to check the filters",
colspan=len(cells),
)
],
id="not-found-message",
hidden="true",
),
id="results-table-head",
),
self.test_logs,
],
id="results-table",
),
]
main_js = pkg_resources.resource_string(
__name__, os.path.join("resources", "main.js")
)
if PY3:
main_js = main_js.decode("utf-8")
body = html.body(
html.script(raw(main_js)),
html.h1(os.path.basename(self.logfile)),
html.p(
"Report generated on {0} at {1} by ".format(
generated.strftime("%d-%b-%Y"), generated.strftime("%H:%M:%S")
),
html.a("pytest-html", href=__pypi_url__),
" v{0}".format(__version__),
),
onLoad="init()",
)
body.extend(self._generate_environment(session.config))
summary_prefix, summary_postfix = [], []
session.config.hook.pytest_html_results_summary(
prefix=summary_prefix, summary=summary, postfix=summary_postfix
)
body.extend([html.h2("Summary")] + summary_prefix + summary + summary_postfix)
body.extend(results)
doc = html.html(head, body)
unicode_doc = u"<!DOCTYPE html>\n{0}".format(doc.unicode(indent=2))
if PY3:
# Fix encoding issues, e.g. with surrogates
unicode_doc = unicode_doc.encode("utf-8", errors="xmlcharrefreplace")
unicode_doc = unicode_doc.decode("utf-8")
return unicode_doc
def _generate_environment(self, config):
if not hasattr(config, "_metadata") or config._metadata is None:
return []
metadata = config._metadata
environment = [html.h2("Environment")]
rows = []
keys = [k for k in metadata.keys()]
if not isinstance(metadata, OrderedDict):
keys.sort()
for key in keys:
value = metadata[key]
if isinstance(value, basestring) and value.startswith("http"):
value = html.a(value, href=value, target="_blank")
elif isinstance(value, (list, tuple, set)):
value = ", ".join((str(i) for i in value))
rows.append(html.tr(html.td(key), html.td(value)))
environment.append(html.table(rows, id="environment"))
return environment
def _save_report(self, report_content):
dir_name = os.path.dirname(self.logfile)
assets_dir = os.path.join(dir_name, "assets")
if not os.path.exists(dir_name):
os.makedirs(dir_name)
if not self.self_contained and not os.path.exists(assets_dir):
os.makedirs(assets_dir)
with open(self.logfile, "w", encoding="utf-8") as f:
f.write(report_content)
if not self.self_contained:
style_path = os.path.join(assets_dir, "style.css")
with open(style_path, "w", encoding="utf-8") as f:
f.write(self.style_css)
def pytest_runtest_logreport(self, report):
if report.passed:
self.append_passed(report)
elif report.failed:
self.append_failed(report)
elif report.skipped:
self.append_skipped(report)
else:
self.append_other(report)
def pytest_collectreport(self, report):
if report.failed:
self.append_failed(report)
def pytest_sessionstart(self, session):
self.suite_start_time = time.time()
def pytest_sessionfinish(self, session):
report_content = self._generate_report(session)
self._save_report(report_content)
def pytest_terminal_summary(self, terminalreporter):
terminalreporter.write_sep(
"-", "generated html file: file://{0}".format(self.logfile)
)