check-coverage revision dce4a407a24b04eebc6a376f8e62b41aaa7b071f 
1#!/bin/sh
2
3prog=$(basename $0)
4
5# Expect to be run from the parent lit directory.
6if [ ! -f setup.py ] || [ ! -d lit ]; then
7    printf 1>&2 "%s: expected to be run from base lit directory\n" "$prog"
8    exit 1
9fi
10
11# Parse command line arguments.
12if [ "$1" = "--generate-html" ]; then
13    GENERATE_HTML=1
14    shift
15fi
16
17# If invoked with no arguments, run all the tests.
18if [ $# = "0" ]; then
19    set -- "tests"
20fi
21
22# Check that the active python has been modified to enable coverage in its
23# sitecustomize.
24if ! python -c \
25      'import sitecustomize, sys; sys.exit("coverage" not in dir(sitecustomize))' \
26      &> /dev/null; then
27    printf 1>&2 "error: active python does not appear to enable coverage in its 'sitecustomize.py'\n"
28    exit 1
29fi
30
31# First, remove any existing coverage data files.
32rm -f tests/.coverage
33find tests -name .coverage.\* -exec rm {} \;
34
35# Next, run the tests.
36lit -sv --param check-coverage=1 "$@"
37
38# Next, move all the data files from subdirectories up.
39find tests/* -name .coverage.\* -exec mv {} tests \;
40
41# Combine all the data files.
42(cd tests && python -m coverage combine)
43
44# Finally, generate the report.
45(cd tests && python -m coverage report)
46
47# Generate the HTML report, if requested.
48if [ ! -z "$GENERATE_HTML" ]; then
49    (cd tests && python -m coverage html)
50fi
51