#!/bin/bash
-
-# Copyright (c) 2019 Michael Jeanson <mjeanson@efficios.com>
-# Copyright (C) 2019 Philippe Proulx <pproulx@efficios.com>
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; under version 2 of the License.
+# SPDX-License-Identifier: GPL-2.0-only
#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
+# Copyright (c) 2019 Michael Jeanson <mjeanson@efficios.com>
+# Copyright (C) 2019 Philippe Proulx <pproulx@efficios.com>
#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# This file is meant to be sourced at the start of shell script-based tests.
# Error out when encountering an undefined variable
set -u
+# If "readlink -f" is available, get a resolved absolute path to the
+# tests source dir, otherwise make do with a relative path.
scriptdir="$(dirname "${BASH_SOURCE[0]}")"
+if readlink -f "." >/dev/null 2>&1; then
+ testsdir=$(readlink -f "$scriptdir/..")
+else
+ testsdir="$scriptdir/.."
+fi
# The OS on which we are running. See [1] for possible values of 'uname -s'.
# We do a bit of translation to ease our life down the road for comparison.
# Export it so that called executables can use it.
# [1] https://en.wikipedia.org/wiki/Uname#Examples
-if [ "x${BT_OS_TYPE:-}" = "x" ]; then
- BT_OS_TYPE="$(uname -s)"
- case "$BT_OS_TYPE" in
+if [ -z "${BT_TESTS_OS_TYPE:-}" ]; then
+ BT_TESTS_OS_TYPE="$(uname -s)"
+ case "$BT_TESTS_OS_TYPE" in
MINGW*)
- BT_OS_TYPE="mingw"
+ BT_TESTS_OS_TYPE="mingw"
;;
Darwin)
- BT_OS_TYPE="darwin"
+ BT_TESTS_OS_TYPE="darwin"
;;
Linux)
- BT_OS_TYPE="linux"
+ BT_TESTS_OS_TYPE="linux"
;;
CYGWIN*)
- BT_OS_TYPE="cygwin"
+ BT_TESTS_OS_TYPE="cygwin"
;;
*)
- BT_OS_TYPE="unsupported"
+ BT_TESTS_OS_TYPE="unsupported"
;;
esac
fi
-export BT_OS_TYPE
+export BT_TESTS_OS_TYPE
# Allow overriding the source and build directories
-if [ "x${BT_TESTS_SRCDIR:-}" = "x" ]; then
- BT_TESTS_SRCDIR="$scriptdir/.."
+if [ -z "${BT_TESTS_SRCDIR:-}" ]; then
+ BT_TESTS_SRCDIR="$testsdir"
fi
export BT_TESTS_SRCDIR
-if [ "x${BT_TESTS_BUILDDIR:-}" = "x" ]; then
- BT_TESTS_BUILDDIR="$scriptdir/.."
+if [ -z "${BT_TESTS_BUILDDIR:-}" ]; then
+ BT_TESTS_BUILDDIR="$testsdir"
fi
export BT_TESTS_BUILDDIR
-# By default, it will not source tap.sh. If you to tap output directly from
-# the test script, define the 'SH_TAP' variable to '1' before sourcing this
-# script.
-if [ "x${SH_TAP:-}" = x1 ]; then
- # shellcheck source=./tap/tap.sh
- . "${BT_TESTS_SRCDIR}/utils/tap/tap.sh"
+
+# Source the generated environment file if it's present.
+if [ -f "${BT_TESTS_BUILDDIR}/utils/env.sh" ]; then
+ # shellcheck source=./env.sh
+ . "${BT_TESTS_BUILDDIR}/utils/env.sh"
fi
# Allow overriding the babeltrace2 executables
-if [ "x${BT_TESTS_BT2_BIN:-}" = "x" ]; then
+if [ -z "${BT_TESTS_BT2_BIN:-}" ]; then
BT_TESTS_BT2_BIN="$BT_TESTS_BUILDDIR/../src/cli/babeltrace2"
- if [ "$BT_OS_TYPE" = "mingw" ]; then
+ if [ "$BT_TESTS_OS_TYPE" = "mingw" ]; then
BT_TESTS_BT2_BIN="${BT_TESTS_BT2_BIN}.exe"
fi
fi
export BT_TESTS_BT2_BIN
-if [ "x${BT_TESTS_BT2LOG_BIN:-}" = "x" ]; then
- BT_TESTS_BT2LOG_BIN="$BT_TESTS_BUILDDIR/../src/cli/babeltrace2-log"
- if [ "$BT_OS_TYPE" = "mingw" ]; then
- BT_TESTS_BT2LOG_BIN="${BT_TESTS_BT2LOG_BIN}.exe"
- fi
-fi
-export BT_TESTS_BT2LOG_BIN
-
# TODO: Remove when bindings/python/bt2/test_plugin.py is fixed
BT_PLUGINS_PATH="${BT_TESTS_BUILDDIR}/../src/plugins"
# Allow overriding the babeltrace2 plugin path
-if [ "x${BT_TESTS_BABELTRACE_PLUGIN_PATH:-}" = "x" ]; then
- BT_TESTS_BABELTRACE_PLUGIN_PATH="${BT_PLUGINS_PATH}/ctf:${BT_PLUGINS_PATH}/utils:${BT_PLUGINS_PATH}/text"
+if [ -z "${BT_TESTS_BABELTRACE_PLUGIN_PATH:-}" ]; then
+ BT_TESTS_BABELTRACE_PLUGIN_PATH="${BT_PLUGINS_PATH}/ctf:${BT_PLUGINS_PATH}/utils:${BT_PLUGINS_PATH}/text:${BT_PLUGINS_PATH}/lttng-utils"
fi
+export BT_TESTS_BABELTRACE_PLUGIN_PATH
-if [ "x${BT_TESTS_PROVIDER_DIR:-}" = "x" ]; then
+if [ -z "${BT_TESTS_PROVIDER_DIR:-}" ]; then
BT_TESTS_PROVIDER_DIR="${BT_TESTS_BUILDDIR}/../src/python-plugin-provider/.libs"
fi
+export BT_TESTS_PROVIDER_DIR
# Allow overriding the babeltrace2 executables
-if [ "x${BT_TESTS_PYTHONPATH:-}" = "x" ]; then
+if [ -z "${BT_TESTS_PYTHONPATH:-}" ]; then
BT_TESTS_PYTHONPATH="${BT_TESTS_BUILDDIR}/../src/bindings/python/bt2/build/build_lib"
fi
+export BT_TESTS_PYTHONPATH
### External Tools ###
-if [ "x${BT_TESTS_AWK_BIN:-}" = "x" ]; then
+if [ -z "${BT_TESTS_AWK_BIN:-}" ]; then
BT_TESTS_AWK_BIN="awk"
fi
export BT_TESTS_AWK_BIN
-if [ "x${BT_TESTS_GREP_BIN:-}" = "x" ]; then
+if [ -z "${BT_TESTS_GREP_BIN:-}" ]; then
BT_TESTS_GREP_BIN="grep"
fi
export BT_TESTS_GREP_BIN
-if [ "x${BT_TESTS_PYTHON_BIN:-}" = "x" ]; then
+if [ -z "${BT_TESTS_PYTHON_BIN:-}" ]; then
BT_TESTS_PYTHON_BIN="python3"
fi
export BT_TESTS_PYTHON_BIN
-if [ "x${BT_TESTS_SED_BIN:-}" = "x" ]; then
+if [ -z "${BT_TESTS_PYTHON_CONFIG_BIN:-}" ]; then
+ BT_TESTS_PYTHON_CONFIG_BIN="python3-config"
+fi
+export BT_TESTS_PYTHON_CONFIG_BIN
+
+if [ -z "${BT_TESTS_SED_BIN:-}" ]; then
BT_TESTS_SED_BIN="sed"
fi
export BT_TESTS_SED_BIN
+if [ -z "${BT_TESTS_CC_BIN:-}" ]; then
+ BT_TESTS_CC_BIN="cc"
+fi
+export BT_TESTS_CC_BIN
+
+
+### Optional features ###
+
+if [ -z "${BT_TESTS_ENABLE_ASAN:-}" ]; then
+ BT_TESTS_ENABLE_ASAN="0"
+fi
+export BT_TESTS_ENABLE_ASAN
+
# Data files path
BT_TESTS_DATADIR="${BT_TESTS_SRCDIR}/data"
BT_CTF_TRACES_PATH="${BT_TESTS_DATADIR}/ctf-traces"
+# By default, it will not source tap.sh. If you want to output tap directly
+# from the test script, define the 'SH_TAP' variable to '1' before sourcing
+# this script.
+if [ "${SH_TAP:-}" = 1 ]; then
+ # shellcheck source=./tap/tap.sh
+ . "${BT_TESTS_SRCDIR}/utils/tap/tap.sh"
+fi
+
+
+# Remove CR characters in file "$1".
+
+bt_remove_cr() {
+ "$BT_TESTS_SED_BIN" -i 's/\r//g' "$1"
+}
+
+# Run the Babeltrace CLI, redirecting stdout and stderr to specified files.
+#
+# $1: file to redirect stdout to
+# $2: file to redirect stderr to
+# remaining args: arguments to pass to the CLI
+#
+# Return the exit code of the CLI.
+
+bt_cli() {
+ local stdout_file="$1"
+ local stderr_file="$2"
+ shift 2
+ local args=("$@")
+
+ echo "Running: $BT_TESTS_BT2_BIN ${args[*]}" >&2
+ run_python_bt2 "$BT_TESTS_BT2_BIN" "${args[@]}" 1>"$stdout_file" 2>"$stderr_file"
+}
### Diff Functions ###
+# Check the differences between two files (typically some expected output vs
+# some actual output). If there are differences, print the diff to stderr.
+#
+# $1: file 1 (expected)
+# $2: file 2 (actual)
+#
+# Return 0 if there's no difference, and non-zero if there are.
+#
+# Note that this function modifies the actual output file ($2) _in-place_ to
+# remove any \r character.
+
+bt_diff() {
+ local expected_file="$1"
+ local actual_file="$2"
+ local ret=0
+
+ # Strip any \r present due to Windows (\n -> \r\n).
+ # "diff --string-trailing-cr" is not used since it is not present on
+ # Solaris.
+ bt_remove_cr "$actual_file"
+
+ diff -u "$expected_file" "$actual_file" 1>&2
+
+ return $?
+}
+
# Checks the difference between:
#
# 1. What the CLI outputs on its standard output when given the arguments
local temp_stdout_output_file
local temp_stderr_output_file
- local temp_diff
local ret=0
+ local ret_stdout
+ local ret_stderr
- temp_stdout_output_file="$(mktemp)"
- temp_stderr_output_file="$(mktemp)"
- temp_diff="$(mktemp)"
+ temp_stdout_output_file="$(mktemp -t actual_stdout.XXXXXX)"
+ temp_stderr_output_file="$(mktemp -t actual_stderr.XXXXXX)"
# Run the CLI to get a detailed file.
- run_python_bt2 "$BT_TESTS_BT2_BIN" "${args[@]}" 1>"$temp_stdout_output_file" 2>"$temp_stderr_output_file"
-
- # Strip any \r present due to Windows (\n -> \r\n).
- # "diff --string-trailing-cr" is not used since it is not present on
- # Solaris.
- "$BT_TESTS_SED_BIN" -i 's/\r//g' "$temp_stdout_output_file"
- "$BT_TESTS_SED_BIN" -i 's/\r//g' "$temp_stderr_output_file"
+ bt_cli "$temp_stdout_output_file" "$temp_stderr_output_file" "${args[@]}"
- # Compare stdout output with expected stdout output
- if ! diff -u "$temp_stdout_output_file" "$expected_stdout_file" 2>/dev/null >"$temp_diff"; then
- echo "ERROR: for '${args[*]}': actual standard output and expected output differ:" >&2
- cat "$temp_diff" >&2
- ret=1
- fi
+ bt_diff "$expected_stdout_file" "$temp_stdout_output_file" "${args[@]}"
+ ret_stdout=$?
+ bt_diff "$expected_stderr_file" "$temp_stderr_output_file" "${args[@]}"
+ ret_stderr=$?
- # Compare stderr output with expected stderr output
- if ! diff -u "$temp_stderr_output_file" "$expected_stderr_file" 2>/dev/null >"$temp_diff"; then
- echo "ERROR: for '${args[*]}': actual standard error and expected error differ:" >&2
- cat "$temp_diff" >&2
+ if ((ret_stdout != 0 || ret_stderr != 0)); then
ret=1
fi
- rm -f "$temp_stdout_output_file" "$temp_stderr_output_file" "$temp_diff"
+ rm -f "$temp_stdout_output_file" "$temp_stderr_output_file"
return $ret
}
expected_stderr_file="/dev/null"
# Compare using the CLI with `sink.text.details`
- bt_diff_cli "$expected_stdout_file" "$expected_stderr_file" "$trace_dir" "-c" "sink.text.details" "${extra_details_args[@]}"
+ bt_diff_cli "$expected_stdout_file" "$expected_stderr_file" "$trace_dir" \
+ "-c" "sink.text.details" "${extra_details_args[@]+${extra_details_args[@]}}"
}
# Calls bt_diff_details_ctf_single(), except that "$1" is the path to a
fi
# Compare using the CLI with `sink.text.details`
- bt_diff_details_ctf_single "$expected_stdout_file" "$temp_trace_dir" "${extra_details_args[@]}"
+ bt_diff_details_ctf_single "$expected_stdout_file" "$temp_trace_dir" \
+ "${extra_details_args[@]+${extra_details_args[@]}}"
ret=$?
rm -rf "$temp_trace_dir"
return $ret
# Execute a shell command in the appropriate environment to have access to the
# bt2 Python bindings.
run_python_bt2() {
- local lib_search_var
- local lib_search_path
+ local env_args
+ local lib_asan
+
+ env_args=(
+ "BABELTRACE_PYTHON_BT2_NO_TRACEBACK=1" \
+ "BABELTRACE_PLUGIN_PATH=${BT_TESTS_BABELTRACE_PLUGIN_PATH}" \
+ "LIBBABELTRACE2_PLUGIN_PROVIDER_DIR=${BT_TESTS_PROVIDER_DIR}" \
+ "BT_TESTS_DATADIR=${BT_TESTS_DATADIR}" \
+ "BT_CTF_TRACES_PATH=${BT_CTF_TRACES_PATH}" \
+ "BT_PLUGINS_PATH=${BT_PLUGINS_PATH}" \
+ "PYTHONPATH=${BT_TESTS_PYTHONPATH}:${BT_TESTS_SRCDIR}/utils/python"
+ )
local main_lib_path="${BT_TESTS_BUILDDIR}/../src/lib/.libs"
# Set the library search path so the python interpreter can load libbabeltrace2
- if [ "$BT_OS_TYPE" = "mingw" ] || [ "$BT_OS_TYPE" = "cygwin" ]; then
- lib_search_var="PATH"
- lib_search_path="${main_lib_path}:${PATH:-}"
- elif [ "$BT_OS_TYPE" = "darwin" ]; then
- lib_search_var="DYLD_LIBRARY_PATH"
- lib_search_path="${main_lib_path}:${DYLD_LIBRARY_PATH:-}"
+ if [ "$BT_TESTS_OS_TYPE" = "mingw" ] || [ "$BT_TESTS_OS_TYPE" = "cygwin" ]; then
+ env_args+=("PATH=${main_lib_path}:${PATH:-}")
+ elif [ "$BT_TESTS_OS_TYPE" = "darwin" ]; then
+ env_args+=("DYLD_LIBRARY_PATH=${main_lib_path}:${DYLD_LIBRARY_PATH:-}")
else
- lib_search_var="LD_LIBRARY_PATH"
- lib_search_path="${main_lib_path}:${LD_LIBRARY_PATH:-}"
+ env_args+=("LD_LIBRARY_PATH=${main_lib_path}:${LD_LIBRARY_PATH:-}")
+ fi
+
+ # On Windows, an embedded Python interpreter needs a way to locate the path
+ # to it's internal modules, set the prefix from python-config to the
+ # PYTHONHOME variable.
+ if [ "$BT_TESTS_OS_TYPE" = "mingw" ]; then
+ env_args+=("PYTHONHOME=$($BT_TESTS_PYTHON_CONFIG_BIN --prefix)")
+ fi
+
+ # If AddressSanitizer is used, we must preload libasan.so so that
+ # libasan doesn't complain about not being the first loaded library.
+ #
+ # Python and sed (executed as part of the libtool wrapper) produce some
+ # leaks, so we must unfortunately disable leak detection. Append it to
+ # existing ASAN_OPTIONS, such that we override the user's value if it
+ # contains detect_leaks=1.
+ if [ "${BT_TESTS_ENABLE_ASAN:-}" = "1" ]; then
+ lib_asan=$(${BT_TESTS_CC_BIN} -print-file-name=libasan.so)
+
+ env_args+=("LD_PRELOAD=${lib_asan}:${LD_PRELOAD:-}")
+ env_args+=("ASAN_OPTIONS=${ASAN_OPTIONS:-},detect_leaks=0")
fi
- env \
- BABELTRACE_PYTHON_BT2_NO_TRACEBACK=1 \
- BABELTRACE_PLUGIN_PATH="${BT_TESTS_BABELTRACE_PLUGIN_PATH}" \
- LIBBABELTRACE2_PLUGIN_PROVIDER_DIR=${BT_TESTS_PROVIDER_DIR} \
- BT_CTF_TRACES_PATH="${BT_CTF_TRACES_PATH}" \
- BT_PLUGINS_PATH="${BT_PLUGINS_PATH}" \
- PYTHONPATH="${BT_TESTS_PYTHONPATH}:${BT_TESTS_SRCDIR}/utils/python" \
- "${lib_search_var}"="${lib_search_path}" \
- "$@"
+ env "${env_args[@]}" "$@"
}
# Set the environment and run python tests in the directory.
local test_runner_args=()
test_runner_args+=("$test_dir")
- if [ "x${test_pattern}" != "x" ]; then
+ if [ -n "${test_pattern}" ]; then
test_runner_args+=("${test_pattern}")
fi
- if test "x${BT_TESTS_COVERAGE:-}" = "x1"; then
+ if test "${BT_TESTS_COVERAGE:-}" = "1"; then
python_exec="check_coverage"
else
python_exec="${BT_TESTS_PYTHON_BIN}"
ret=$?
- if test "x${BT_TESTS_COVERAGE_REPORT:-}" = "x1"; then
+ if test "${BT_TESTS_COVERAGE_REPORT:-}" = "1"; then
coverage report -m
fi
- if test "x${BT_TESTS_COVERAGE_HTML:-}" = "x1"; then
+ if test "${BT_TESTS_COVERAGE_HTML:-}" = "1"; then
coverage html
fi