| #!/bin/bash |
| # |
| # Copyright 2016 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| # This test exercises Bash utility implementations. |
| |
| source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/unittest.bash" \ |
| || { echo "Could not source unittest.sh" >&2; exit 1; } |
| |
| source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/shell_utils.sh" \ |
| || { echo "shell_utils.sh not found!" >&2; exit 1; } |
| |
| set -eu |
| |
| cd "$TEST_TMPDIR" |
| |
| function assert_fails_to() { |
| local -r method="$1" |
| local -r arg="${2:-}" |
| if [ -n "$arg" ]; then |
| "$method" "$arg" && fail "'$method' should have failed for '$arg'" |
| else |
| "$method" && fail "'$method' should have failed for empty argument" |
| fi |
| true # reset the exit status otherwise the test would be considered failed |
| } |
| |
| function test_resolve_bad_links() { |
| local -r dir="${FUNCNAME[0]}" |
| |
| mkdir -p "$dir" || fail "mkdir -p $dir" |
| |
| # absolute, non-existent path |
| assert_fails_to resolve_links "$(pwd)/${dir}/non-existent" |
| |
| # relative, non-existent path |
| assert_fails_to resolve_links "${dir}/non-existent" |
| |
| # symlink with absolute non-existent target |
| ln -s "/non-existent" "${dir}/bad-absolute.sym" |
| assert_fails_to resolve_links "$(pwd)/${dir}/bad-absolute.sym" |
| assert_fails_to resolve_links "${dir}/bad-absolute.sym" |
| |
| # symlink with relative non-existent target |
| ln -s "non-existent" "${dir}/bad-relative.sym" |
| assert_fails_to resolve_links "$(pwd)/${dir}/bad-relative.sym" |
| assert_fails_to resolve_links "${dir}/bad-relative.sym" |
| |
| # circular symlink |
| ln -s "circular.sym" "${dir}/circular.sym" |
| assert_fails_to resolve_links "$(pwd)/${dir}/circular.sym" |
| assert_fails_to resolve_links "${dir}/circular.sym" |
| } |
| |
| function test_resolve_non_links() { |
| local -r dir="${FUNCNAME[0]}" |
| |
| mkdir -p "$dir" || fail "mkdir -p $dir" |
| echo hello > "${dir}/hello.txt" |
| |
| # absolute path to directory |
| assert_equals "$(pwd)" "$(resolve_links "$(pwd)")" |
| |
| # relative path to directory |
| assert_equals "${dir}" "$(resolve_links "$dir")" |
| |
| # relative path to file |
| assert_equals "${dir}/hello.txt" "$(resolve_links "${dir}/hello.txt")" |
| |
| # absolute path to file |
| assert_equals \ |
| "$(pwd)/${dir}/hello.txt" "$(resolve_links "$(pwd)/${dir}/hello.txt")" |
| } |
| |
| function test_resolve_symlinks() { |
| local -r dir="${FUNCNAME[0]}" |
| |
| mkdir -p "${dir}/a/b" || fail "mkdir -p ${dir}/a/b" |
| echo hello > "${dir}/hello.txt" |
| |
| ln -s "." "${dir}/self" |
| ln -s "../hello.txt" "${dir}/a/sym" |
| ln -s "../sym" "${dir}/a/b/sym" |
| ln -s ".././sym" "${dir}/a/b/sym-not-normalized" |
| |
| assert_equals "${dir}/." "$(resolve_links "${dir}/self")" |
| assert_equals "${dir}/a/../hello.txt" "$(resolve_links "${dir}/a/sym")" |
| assert_equals "${dir}/a/b/../../hello.txt" "$(resolve_links "${dir}/a/b/sym")" |
| assert_equals \ |
| "${dir}/a/b/.././../hello.txt" \ |
| "$(resolve_links "${dir}/a/b/sym-not-normalized")" |
| |
| cd "$dir" |
| assert_equals "./." "$(resolve_links "self")" |
| assert_equals "./." "$(resolve_links "./self")" |
| assert_equals "a/../hello.txt" "$(resolve_links "a/sym")" |
| assert_equals "a/b/../../hello.txt" "$(resolve_links "a/b/sym")" |
| assert_equals \ |
| "a/b/.././../hello.txt" \ |
| "$(resolve_links "a/b/sym-not-normalized")" |
| |
| cd a |
| assert_equals "../." "$(resolve_links "../self")" |
| assert_equals "./../hello.txt" "$(resolve_links "sym")" |
| assert_equals "./../hello.txt" "$(resolve_links "./sym")" |
| assert_equals "b/../../hello.txt" "$(resolve_links "b/sym")" |
| assert_equals \ |
| "b/.././../hello.txt" \ |
| "$(resolve_links "b/sym-not-normalized")" |
| |
| cd b |
| assert_equals "../../." "$(resolve_links "../../self")" |
| assert_equals "../../hello.txt" "$(resolve_links "../sym")" |
| assert_equals "./../../hello.txt" "$(resolve_links "sym")" |
| assert_equals "./../../hello.txt" "$(resolve_links "./sym")" |
| assert_equals \ |
| "./.././../hello.txt" \ |
| "$(resolve_links "sym-not-normalized")" |
| } |
| |
| function test_normalize_path() { |
| assert_equals "." "$(normalize_path "")" |
| assert_equals "." "$(normalize_path ".")" |
| assert_equals "." "$(normalize_path "./.")" |
| assert_equals ".." "$(normalize_path "..")" |
| assert_equals ".." "$(normalize_path "./..")" |
| assert_equals ".." "$(normalize_path "../.")" |
| assert_equals "../.." "$(normalize_path "../././..")" |
| |
| assert_equals "blah" "$(normalize_path "blah")" |
| assert_equals "blah" "$(normalize_path "blah/.")" |
| assert_equals "blah" "$(normalize_path "blah/./hello/..")" |
| assert_equals "blah" "$(normalize_path "blah/./hello/../")" |
| assert_equals \ |
| "blah/hello" "$(normalize_path "blah/./hello/../a/b/.././.././hello")" |
| assert_equals "." "$(normalize_path "blah/./hello/../a/b/.././.././..")" |
| assert_equals ".." "$(normalize_path "blah/.././..")" |
| assert_equals "../.." "$(normalize_path "blah/.././../..")" |
| |
| assert_equals "/" "$(normalize_path "/")" |
| assert_equals "/" "$(normalize_path "/.")" |
| assert_equals "/" "$(normalize_path "/./.")" |
| assert_equals "/blah" "$(normalize_path "/blah")" |
| assert_equals "/blah" "$(normalize_path "/blah/.")" |
| assert_equals "/blah" "$(normalize_path "/blah/./hello/..")" |
| assert_equals "/blah" "$(normalize_path "/blah/./hello/../")" |
| assert_equals "/blah" "$(normalize_path "/blah/./hello/../a/b/.././../.")" |
| } |
| |
| function test_get_realpath() { |
| local -r dir="${FUNCNAME[0]}" |
| |
| mkdir -p "${dir}/a/b" || fail "mkdir -p ${dir}/a/b" |
| echo hello > "${dir}/hello.txt" |
| |
| ln -s "." "${dir}/self" |
| ln -s "../hello.txt" "${dir}/a/sym" |
| ln -s "../sym" "${dir}/a/b/sym" |
| ln -s ".././sym" "${dir}/a/b/sym-not-normalized" |
| |
| assert_equals "$(pwd)/${dir}" "$(get_real_path "${dir}/self")" |
| assert_equals "$(pwd)/${dir}/hello.txt" "$(get_real_path "${dir}/a/sym")" |
| assert_equals "$(pwd)/${dir}/hello.txt" "$(get_real_path "${dir}/a/b/sym")" |
| assert_equals \ |
| "$(pwd)/${dir}/hello.txt" \ |
| "$(get_real_path "${dir}/a/b/sym-not-normalized")" |
| |
| cd "$dir" |
| local -r abs_dir=$(pwd) |
| assert_equals "${abs_dir}" "$(get_real_path "self")" |
| assert_equals "${abs_dir}" "$(get_real_path "./self")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "a/sym")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "a/b/sym")" |
| assert_equals \ |
| "${abs_dir}/hello.txt" "$(get_real_path "a/b/sym-not-normalized")" |
| |
| cd a |
| assert_equals "${abs_dir}" "$(get_real_path "../self")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "sym")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "./sym")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "b/sym")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "b/sym-not-normalized")" |
| |
| cd b |
| assert_equals "${abs_dir}" "$(get_real_path "../../self")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "../sym")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "sym")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "./sym")" |
| assert_equals "${abs_dir}/hello.txt" "$(get_real_path "sym-not-normalized")" |
| |
| assert_fails_to get_real_path "non-existent" |
| ln -s self self |
| assert_fails_to get_real_path "self" |
| } |
| |
| function test_md5_sum() { |
| local -r dir="${FUNCNAME[0]}" |
| mkdir "$dir" || fail "mkdir $dir" |
| |
| echo hello > "${dir}/a.txt" |
| echo world > "${dir}/b.txt" |
| |
| assert_fails_to md5_file |
| assert_fails_to md5_file "non-existent" |
| |
| assert_equals "b1946ac92492d2347c6235b4d2611184" "$(md5_file "${dir}/a.txt")" |
| assert_equals "591785b794601e212b260e25925636fd" "$(md5_file "${dir}/b.txt")" |
| |
| local sums="$(echo -e \ |
| "b1946ac92492d2347c6235b4d2611184\n591785b794601e212b260e25925636fd")" |
| assert_equals "$sums" "$(md5_file "${dir}/a.txt" "${dir}/b.txt")" |
| } |
| |
| run_suite "Tests for Bash utilities" |