Source

SCons / test / option--cf.py

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File test/option--cf.py

 
 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
 
+"""
+Test populating a CacheDir with the --cache-force option.
+"""
+
+import os.path
+import shutil
+
 import TestSCons
-import string
-import sys
 
 test = TestSCons.TestSCons()
 
-test.write('SConstruct', "")
+test.subdir('cache', 'src')
 
-test.run(arguments = '--cache-force .',
-	 stderr = "Warning:  the --cache-force option is not yet implemented\n")
+test.write(['src', 'SConstruct'], """
+def cat(env, source, target):
+    target = str(target[0])
+    open('cat.out', 'ab').write(target + "\\n")
+    source = map(str, source)
+    f = open(target, "wb")
+    for src in source:
+        f.write(open(src, "rb").read())
+    f.close()
+env = Environment(BUILDERS={'Cat':Builder(action=cat)})
+env.Cat('aaa.out', 'aaa.in')
+env.Cat('bbb.out', 'bbb.in')
+env.Cat('ccc.out', 'ccc.in')
+env.Cat('all', ['aaa.out', 'bbb.out', 'ccc.out'])
+CacheDir(r'%s')
+""" % test.workpath('cache'))
 
-test.run(arguments = '--cache-populate .',
-	 stderr = "Warning:  the --cache-populate option is not yet implemented\n")
+test.write(['src', 'aaa.in'], "aaa.in\n")
+test.write(['src', 'bbb.in'], "bbb.in\n")
+test.write(['src', 'ccc.in'], "ccc.in\n")
 
+# Verify that a normal build works correctly, and clean up.
+# This should populate the cache with our derived files.
+test.run(chdir = 'src', arguments = '.')
+
+test.fail_test(test.read(['src', 'all']) != "aaa.in\nbbb.in\nccc.in\n")
+test.fail_test(test.read(['src', 'cat.out']) != "aaa.out\nbbb.out\nccc.out\nall\n")
+
+test.up_to_date(chdir = 'src', arguments = '.')
+
+test.run(chdir = 'src', arguments = '-c .')
+test.unlink(['src', 'cat.out'])
+
+# Verify that we now retrieve the derived files from cache,
+# not rebuild them.  DO NOT CLEAN UP.
+test.run(chdir = 'src', arguments = '.', stdout = test.wrap_stdout("""\
+Retrieved `aaa.out' from cache
+Retrieved `bbb.out' from cache
+Retrieved `ccc.out' from cache
+Retrieved `all' from cache
+"""))
+
+test.fail_test(os.path.exists(test.workpath('src', 'cat.out')))
+
+test.up_to_date(chdir = 'src', arguments = '.')
+
+# Blow away and recreate the CacheDir, then verify that --cache-force
+# repopulates the cache with the local built targets.  DO NOT CLEAN UP.
+shutil.rmtree(test.workpath('cache'))
+test.subdir('cache')
+
+test.run(chdir = 'src', arguments = '--cache-force .')
+
+test.run(chdir = 'src', arguments = '-c .')
+
+test.run(chdir = 'src', arguments = '.', stdout = test.wrap_stdout("""\
+Retrieved `aaa.out' from cache
+Retrieved `bbb.out' from cache
+Retrieved `ccc.out' from cache
+Retrieved `all' from cache
+"""))
+
+test.fail_test(os.path.exists(test.workpath('src', 'cat.out')))
+
+# Blow away and recreate the CacheDir, then verify that --cache-populate
+# repopulates the cache with the local built targets.  DO NOT CLEAN UP.
+shutil.rmtree(test.workpath('cache'))
+test.subdir('cache')
+
+test.run(chdir = 'src', arguments = '--cache-populate .')
+
+test.run(chdir = 'src', arguments = '-c .')
+
+test.run(chdir = 'src', arguments = '.', stdout = test.wrap_stdout("""\
+Retrieved `aaa.out' from cache
+Retrieved `bbb.out' from cache
+Retrieved `ccc.out' from cache
+Retrieved `all' from cache
+"""))
+
+test.fail_test(os.path.exists(test.workpath('src', 'cat.out')))
+
+# All done.
 test.pass_test()
-