WSJT-X/boost/tools/build/test/link.py

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#!/usr/bin/python
# Copyright 2014-2015 Steven Watanabe
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
# Tests the link-directory rule used to create the
# common boost/ directory in the new git layout.
import BoostBuild
def ignore_config(t):
"""These files are created by the configuration logic in link.jam
They may or may not exist, depending on the system."""
t.ignore("bin/symlink/test-hardlink")
t.ignore("bin/test-hardlink-source")
t.ignore("bin/test-symlink")
t.ignore("bin/test-symlink-source")
def test_basic():
"""Test creation of a single link"""
t = BoostBuild.Tester()
t.write("jamroot.jam", """\
import link ;
link-directory dir1-link : src/dir1/include : <location>. ;
""")
t.write("src/dir1/include/file1.h", "file1")
t.run_build_system()
t.expect_addition("include/file1.h")
t.expect_content("include/file1.h", "file1")
ignore_config(t)
t.expect_nothing_more()
t.cleanup()
def test_merge_two():
"""Test merging two directories"""
t = BoostBuild.Tester()
t.write("jamroot.jam", """\
import link ;
link-directory dir1-link : src/dir1/include : <location>. ;
link-directory dir2-link : src/dir2/include : <location>. ;
""")
t.write("src/dir1/include/file1.h", "file1")
t.write("src/dir2/include/file2.h", "file2")
t.run_build_system()
t.expect_addition("include/file1.h")
t.expect_content("include/file1.h", "file1")
t.expect_addition("include/file2.h")
t.expect_content("include/file2.h", "file2")
ignore_config(t)
t.expect_nothing_more()
t.cleanup()
def test_merge_existing(group1, group2):
"""Test adding a link when a different symlink already exists"""
t = BoostBuild.Tester()
t.write("jamroot.jam", """\
import link ;
link-directory dir1-link : src/dir1/include : <location>. ;
link-directory dir2-link : src/dir2/include : <location>. ;
""")
t.write("src/dir1/include/file1.h", "file1")
t.write("src/dir2/include/file2.h", "file2")
t.run_build_system(group1)
if "dir1-link" in group1:
t.expect_addition("include/file1.h")
t.expect_content("include/file1.h", "file1")
if "dir2-link" in group1:
t.expect_addition("include/file2.h")
t.expect_content("include/file2.h", "file2")
ignore_config(t)
t.expect_nothing_more()
t.run_build_system(group2)
if "dir1-link" in group2:
if "dir1-link" not in group1:
t.expect_addition("include/file1.h")
t.expect_content("include/file1.h", "file1")
else:
t.ignore_removal("include/file1.h")
if "dir2-link" in group2:
if "dir2-link" not in group1:
t.expect_addition("include/file2.h")
t.expect_content("include/file2.h", "file2")
else:
t.ignore_removal("include/file2.h")
ignore_config(t)
t.expect_nothing_more()
t.cleanup()
def test_merge_existing_all():
test_merge_existing(["dir1-link"], ["dir2-link"])
test_merge_existing(["dir2-link"], ["dir1-link"])
test_merge_existing(["dir1-link"], ["dir1-link", "dir2-link"])
test_merge_existing(["dir2-link"], ["dir1-link", "dir2-link"])
def test_merge_recursive():
"Test merging several directories including common prefixes"
t = BoostBuild.Tester()
t.write("jamroot.jam", """\
import link ;
link-directory dir1-link : src/dir1/include : <location>. ;
link-directory dir2-link : src/dir2/include : <location>. ;
link-directory dir3-link : src/dir3/include : <location>. ;
""")
t.write("src/dir1/include/file1.h", "file1")
t.write("src/dir2/include/file2.h", "file2")
t.write("src/dir2/include/nested/file3.h", "file3")
t.write("src/dir3/include/nested/file4.h", "file4")
t.run_build_system()
t.expect_addition("include/file1.h")
t.expect_content("include/file1.h", "file1")
t.expect_addition("include/file2.h")
t.expect_content("include/file2.h", "file2")
t.expect_addition("include/nested/file3.h")
t.expect_content("include/nested/file3.h", "file3")
t.expect_addition("include/nested/file4.h")
t.expect_content("include/nested/file4.h", "file4")
ignore_config(t)
t.expect_nothing_more()
t.cleanup()
def test_merge_recursive_existing(group1, group2):
"Test merging several directories including common prefixes."
t = BoostBuild.Tester()
t.write("jamroot.jam", """\
import link ;
link-directory dir1-link : src/dir1/include : <location>. ;
link-directory dir2-link : src/dir2/include : <location>. ;
link-directory dir3-link : src/dir3/include : <location>. ;
link-directory dir4-link : src/dir4/include : <location>. ;
link-directory dir5-link : src/dir5/include : <location>. ;
""")
t.write("src/dir1/include/file1.h", "file1")
t.write("src/dir2/include/nested/file2.h", "file2")
t.write("src/dir3/include/nested/file3.h", "file3")
t.write("src/dir4/include/nested/xxx/yyy/file4.h", "file4")
t.write("src/dir5/include/nested/xxx/yyy/file5.h", "file5")
t.run_build_system(group1)
t.run_build_system(group2 + ["-d+12"])
t.ignore_addition("include/file1.h")
t.ignore_addition("include/nested/file2.h")
t.ignore_addition("include/nested/file3.h")
t.ignore_addition("include/nested/xxx/yyy/file4.h")
t.ignore_addition("include/nested/xxx/yyy/file5.h")
ignore_config(t)
t.expect_nothing_more()
t.cleanup()
def test_merge_recursive_existing_all():
# These should create a link
test_merge_recursive_existing(["dir2-link"], ["dir2-link", "dir1-link"])
test_merge_recursive_existing(["dir2-link"], ["dir1-link", "dir2-link"])
# These should create a directory
test_merge_recursive_existing(["dir2-link"], ["dir2-link", "dir3-link"])
test_merge_recursive_existing(["dir2-link"], ["dir3-link", "dir2-link"])
# It should work even if we have to create many intermediate subdirectories
test_merge_recursive_existing(["dir4-link"], ["dir4-link", "dir5-link"])
test_merge_recursive_existing(["dir4-link"], ["dir5-link", "dir4-link"])
def test_include_scan():
"""Make sure that the #include scanner finds the headers"""
t = BoostBuild.Tester()
t.write("jamroot.jam", """\
import link ;
link-directory dir1-link : src/dir1/include : <location>. ;
link-directory dir2-link : src/dir2/include : <location>. ;
obj test : test.cpp :
<include>include
<implicit-dependency>dir1-link
<implicit-dependency>dir2-link ;
""")
t.write("src/dir1/include/file1.h", "#include <file2.h>\n")
t.write("src/dir2/include/file2.h", "int f();\n")
t.write("test.cpp", """\
#include <file1.h>
int main() { f(); }
""");
t.run_build_system(["test"])
t.expect_addition("bin/$toolset/debug/test.obj")
t.run_build_system()
t.expect_nothing_more()
t.cleanup()
def test_include_scan_merge_existing():
"""Make sure that files are replaced if needed when merging in
a new directory"""
t = BoostBuild.Tester()
t.write("jamroot.jam", """\
import link ;
link-directory dir1-link : src/dir1/include : <location>. ;
link-directory dir2-link : src/dir2/include : <location>. ;
obj test : test.cpp :
<include>include
<implicit-dependency>dir1-link
<implicit-dependency>dir2-link ;
""")
t.write("src/dir1/include/file1.h", "int f();")
t.write("src/dir2/include/file2.h", "#include <file1.h>")
t.write("test.cpp", """\
#include <file2.h>
int main() { f(); }
""")
t.run_build_system(["dir2-link"])
t.run_build_system(["test"])
t.expect_addition("include/file1.h")
t.expect_addition("bin/$toolset/debug/test.obj")
t.expect_nothing_more()
t.cleanup()
def test_update_file_link(params1, params2):
"""Tests the behavior of updates when changing the link mode.
The link needs to be updated iff the original was a copy."""
t = BoostBuild.Tester()
t.write("jamroot.jam", """\
import link ;
import project ;
import property-set ;
import modules ;
if --no-symlinks in [ modules.peek : ARGV ]
{
modules.poke link : .can-symlink : false ;
}
if --no-hardlinks in [ modules.peek : ARGV ]
{
modules.poke link : .can-hardlink : false ;
}
.project = [ project.current ] ;
.has-files = [ glob include/file1.h ] ;
rule can-link ( properties * ) {
if ( ! [ link.can-symlink $(.project) : [ property-set.empty ] ] ) &&
( ! [ link.can-hardlink $(.project) : [ property-set.empty ] ] )
{
ECHO links unsupported ;
}
}
# Use two directories so that we link to individual files.
link-directory dir1-link : src/dir1/include : <location>. ;
link-directory dir2-link : src/dir2/include : <location>. ;
alias check-linking : : <conditional>@can-link ;
""")
t.write("src/dir1/include/file1.h", "file1")
t.write("src/dir2/include/file2.h", "file2")
t.run_build_system(params1)
ignore_config(t)
t.expect_addition("include/file1.h")
t.expect_addition("include/file2.h")
t.expect_nothing_more()
using_links = "links unsupported" not in t.stdout()
t.touch("src/dir1/include/file1.h")
t.run_build_system(params2)
if not using_links: t.expect_touch("include/file1.h")
ignore_config(t)
t.expect_nothing_more()
t.cleanup()
def test_update_file_link_all():
"""Test all nine possible combinations of two runs."""
possible_args = [[], ["--no-symlinks"], ["--no-symlinks", "--no-hardlinks"]]
for arg1 in possible_args:
for arg2 in possible_args:
test_update_file_link(arg1, arg2)
def test_error_duplicate():
"""Test that linking a single file from
multiple sources causes a hard error."""
t = BoostBuild.Tester()
t.write("jamroot.jam", """\
import link ;
link-directory dir1-link : src/dir1/include : <location>. ;
link-directory dir2-link : src/dir2/include : <location>. ;
""")
t.write("src/dir1/include/file1.h", "file1")
t.write("src/dir2/include/file1.h", "file2")
t.run_build_system(status=1)
t.expect_output_lines(
["error: Cannot create link include/file1.h to src/dir2/include/file1.h.",
"error: Link previously defined to another file, src/dir1/include/file1.h."])
t.cleanup()
test_basic()
test_merge_two()
test_merge_existing_all()
test_merge_recursive()
test_merge_recursive_existing_all()
test_include_scan()
test_include_scan_merge_existing()
test_update_file_link_all()
test_error_duplicate()