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-rw-r--r--test/explain.py295
1 files changed, 295 insertions, 0 deletions
diff --git a/test/explain.py b/test/explain.py
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+++ b/test/explain.py
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+#!/usr/bin/env python
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+"""
+Test the --debug=explain option.
+"""
+
+import sys
+import TestSCons
+
+python = TestSCons.python
+
+test = TestSCons.TestSCons()
+
+test.subdir('src')
+
+test.write(['src', 'cat.py'], r"""
+import sys
+
+def process(outfp, infp):
+ for line in infp.readlines():
+ if line[:8] == 'include ':
+ file = line[8:-1]
+ try:
+ fp = open(file, 'rb')
+ except IOError:
+ import os
+ print "os.getcwd() =", os.getcwd()
+ raise
+ process(outfp, fp)
+ else:
+ outfp.write(line)
+
+outfp = open(sys.argv[1], 'wb')
+for f in sys.argv[2:]:
+ if f != '-':
+ process(outfp, open(f, 'rb'))
+
+sys.exit(0)
+""")
+
+test.write(['src', 'SConstruct'], """
+import re
+
+include_re = re.compile(r'^include\s+(\S+)$', re.M)
+
+def kfile_scan(node, env, target, arg):
+ contents = node.get_contents()
+ includes = include_re.findall(contents)
+ return includes
+
+kscan = Scanner(name = 'kfile',
+ function = kfile_scan,
+ argument = None,
+ skeys = ['.k'])
+
+cat = Builder(action = r"%s cat.py $TARGET $SOURCES")
+
+env = Environment()
+env.Append(BUILDERS = {'Cat':cat},
+ SCANNERS = kscan)
+
+Export("env")
+SConscript('SConscript')
+env.Install('../inc', 'aaa')
+env.InstallAs('../inc/bbb.k', 'bbb.k')
+env.Install('../inc', 'ddd')
+env.InstallAs('../inc/eee', 'eee.in')
+""" % (python,))
+
+test.write(['src', 'SConscript'], """\
+Import("env")
+env.Cat('file1', 'file1.in')
+env.Cat('file2', 'file2.k')
+env.Cat('file3', ['xxx', 'yyy', 'zzz'])
+env.Command('file4', 'file4.in', r"%s cat.py $TARGET - $SOURCES")
+env.Cat('file5', 'file5.k')
+""" % (python,))
+
+test.write(['src', 'aaa'], "aaa 1\n")
+test.write(['src', 'bbb.k'], """\
+bbb.k 1
+include ccc
+include ../inc/ddd
+include ../inc/eee
+""")
+test.write(['src', 'ccc'], "ccc 1\n")
+test.write(['src', 'ddd'], "ddd 1\n")
+test.write(['src', 'eee.in'], "eee.in 1\n")
+
+test.write(['src', 'file1.in'], "file1.in 1\n")
+
+test.write(['src', 'file2.k'], """\
+file2.k 1 line 1
+include xxx
+include yyy
+file2.k 1 line 4
+""")
+
+test.write(['src', 'file4.in'], "file4.in 1\n")
+
+test.write(['src', 'xxx'], "xxx 1\n")
+test.write(['src', 'yyy'], "yyy 1\n")
+test.write(['src', 'zzz'], "zzz 1\n")
+
+test.write(['src', 'file5.k'], """\
+file5.k 1 line 1
+include ../inc/aaa
+include ../inc/bbb.k
+file5.k 1 line 4
+""")
+
+args = '--debug=explain .'
+
+#
+test.run(chdir='src', arguments=args, stdout=test.wrap_stdout("""\
+scons: building `file1' because it doesn't exist
+%s cat.py file1 file1.in
+scons: building `file2' because it doesn't exist
+%s cat.py file2 file2.k
+scons: building `file3' because it doesn't exist
+%s cat.py file3 xxx yyy zzz
+scons: building `file4' because it doesn't exist
+%s cat.py file4 - file4.in
+scons: building `%s' because it doesn't exist
+Install file: "aaa" as "%s"
+scons: building `%s' because it doesn't exist
+Install file: "ddd" as "%s"
+scons: building `%s' because it doesn't exist
+Install file: "eee.in" as "%s"
+scons: building `%s' because it doesn't exist
+Install file: "bbb.k" as "%s"
+scons: building `file5' because it doesn't exist
+%s cat.py file5 file5.k
+""" % (python,
+ python,
+ python,
+ python,
+ test.workpath('inc', 'aaa'),
+ test.workpath('inc', 'aaa'),
+ test.workpath('inc', 'ddd'),
+ test.workpath('inc', 'ddd'),
+ test.workpath('inc', 'eee'),
+ test.workpath('inc', 'eee'),
+ test.workpath('inc', 'bbb.k'),
+ test.workpath('inc', 'bbb.k'),
+ python,)))
+
+test.must_match(['src', 'file1'], "file1.in 1\n")
+test.must_match(['src', 'file2'], """\
+file2.k 1 line 1
+xxx 1
+yyy 1
+file2.k 1 line 4
+""")
+test.must_match(['src', 'file3'], "xxx 1\nyyy 1\nzzz 1\n")
+test.must_match(['src', 'file4'], "file4.in 1\n")
+test.must_match(['src', 'file5'], """\
+file5.k 1 line 1
+aaa 1
+bbb.k 1
+ccc 1
+ddd 1
+eee.in 1
+file5.k 1 line 4
+""")
+
+#
+test.write(['src', 'file1.in'], "file1.in 2\n")
+test.write(['src', 'yyy'], "yyy 2\n")
+test.write(['src', 'zzz'], "zzz 2\n")
+test.write(['src', 'bbb.k'], "bbb.k 2\ninclude ccc\n")
+
+test.run(chdir='src', arguments=args, stdout=test.wrap_stdout("""\
+scons: rebuilding `file1' because `file1.in' changed
+%s cat.py file1 file1.in
+scons: rebuilding `file2' because `yyy' changed
+%s cat.py file2 file2.k
+scons: rebuilding `file3' because:
+ `yyy' changed
+ `zzz' changed
+%s cat.py file3 xxx yyy zzz
+scons: rebuilding `%s' because:
+ `%s' is no longer a dependency
+ `%s' is no longer a dependency
+ `bbb.k' changed
+Install file: "bbb.k" as "%s"
+scons: rebuilding `file5' because `%s' changed
+%s cat.py file5 file5.k
+""" % (python,
+ python,
+ python,
+ test.workpath('inc', 'bbb.k'),
+ test.workpath('inc', 'ddd'),
+ test.workpath('inc', 'eee'),
+ test.workpath('inc', 'bbb.k'),
+ test.workpath('inc', 'bbb.k'),
+ python)))
+
+test.must_match(['src', 'file1'], "file1.in 2\n")
+test.must_match(['src', 'file2'], """\
+file2.k 1 line 1
+xxx 1
+yyy 2
+file2.k 1 line 4
+""")
+test.must_match(['src', 'file3'], "xxx 1\nyyy 2\nzzz 2\n")
+test.must_match(['src', 'file5'], """\
+file5.k 1 line 1
+aaa 1
+bbb.k 2
+ccc 1
+file5.k 1 line 4
+""")
+
+#
+test.write(['src', 'SConscript'], """\
+Import("env")
+env.Cat('file3', ['xxx', 'yyy'])
+""")
+
+test.run(chdir='src', arguments=args, stdout=test.wrap_stdout("""\
+scons: rebuilding `file3' because `zzz' is no longer a dependency
+%s cat.py file3 xxx yyy
+""" % (python,)))
+
+test.must_match(['src', 'file3'], "xxx 1\nyyy 2\n")
+
+#
+test.write(['src', 'SConscript'], """\
+Import("env")
+env.Cat('file3', ['xxx', 'yyy', 'zzz'])
+""")
+
+test.run(chdir='src', arguments=args, stdout=test.wrap_stdout("""\
+scons: rebuilding `file3' because `zzz' is a new dependency
+%s cat.py file3 xxx yyy zzz
+""" % (python,)))
+
+test.must_match(['src', 'file3'], "xxx 1\nyyy 2\nzzz 2\n")
+
+#
+test.write(['src', 'SConscript'], """\
+Import("env")
+env.Cat('file3', ['zzz', 'yyy', 'xxx'])
+""")
+
+test.run(chdir='src', arguments=args, stdout=test.wrap_stdout("""\
+scons: rebuilding `file3' because the dependency order changed:
+ old: ['xxx', 'yyy', 'zzz']
+ new: ['zzz', 'yyy', 'xxx']
+%s cat.py file3 zzz yyy xxx
+""" % (python,)))
+
+test.must_match(['src', 'file3'], "zzz 2\nyyy 2\nxxx 1\n")
+
+#
+test.write(['src', 'SConscript'], """\
+Import("env")
+env.Command('file4', 'file4.in', r"%s cat.py $TARGET $SOURCES")
+""" % (python,))
+
+test.run(chdir='src',arguments=args, stdout=test.wrap_stdout("""\
+scons: rebuilding `file4' because the build action changed:
+ old: %s cat.py $TARGET - $SOURCES
+ new: %s cat.py $TARGET $SOURCES
+%s cat.py file4 file4.in
+""" % (python, python, python)))
+
+test.must_match(['src', 'file4'], "file4.in 1\n")
+
+test.pass_test()
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