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Diffstat (limited to 'src/test/shell/shell_utils_test.sh')
| -rwxr-xr-x | src/test/shell/shell_utils_test.sh | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/test/shell/shell_utils_test.sh b/src/test/shell/shell_utils_test.sh new file mode 100755 index 0000000000..cc23345431 --- /dev/null +++ b/src/test/shell/shell_utils_test.sh @@ -0,0 +1,204 @@ +#!/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 path="$2" + "$method" "$path" && fail "Symlink resolution for '$path' should have failed" + 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" +} + +run_suite "Tests for Bash utilities" |