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1 files changed, 204 insertions, 0 deletions

diff --git a/src/python/stdlib/test/test_pipes.py b/src/python/stdlib/test/test_pipes.py
new file mode 100644
index 0000000..c8b8be1
--- /dev/null
+++ b/src/python/stdlib/test/test_pipes.py
@@ -0,0 +1,204 @@
+import pipes
+import os
+import string
+import unittest
+from test.test_support import TESTFN, run_unittest, unlink, reap_children
+
+if os.name != 'posix':
+    raise unittest.SkipTest('pipes module only works on posix')
+
+TESTFN2 = TESTFN + "2"
+
+# tr a-z A-Z is not portable, so make the ranges explicit
+s_command = 'tr %s %s' % (string.ascii_lowercase, string.ascii_uppercase)
+
+class SimplePipeTests(unittest.TestCase):
+    def tearDown(self):
+        for f in (TESTFN, TESTFN2):
+            unlink(f)
+
+    def testSimplePipe1(self):
+        t = pipes.Template()
+        t.append(s_command, pipes.STDIN_STDOUT)
+        f = t.open(TESTFN, 'w')
+        f.write('hello world #1')
+        f.close()
+        with open(TESTFN) as f:
+            self.assertEqual(f.read(), 'HELLO WORLD #1')
+
+    def testSimplePipe2(self):
+        with open(TESTFN, 'w') as f:
+            f.write('hello world #2')
+        t = pipes.Template()
+        t.append(s_command + ' < $IN > $OUT', pipes.FILEIN_FILEOUT)
+        t.copy(TESTFN, TESTFN2)
+        with open(TESTFN2) as f:
+            self.assertEqual(f.read(), 'HELLO WORLD #2')
+
+    def testSimplePipe3(self):
+        with open(TESTFN, 'w') as f:
+            f.write('hello world #2')
+        t = pipes.Template()
+        t.append(s_command + ' < $IN', pipes.FILEIN_STDOUT)
+        with t.open(TESTFN, 'r') as f:
+            self.assertEqual(f.read(), 'HELLO WORLD #2')
+
+    def testEmptyPipeline1(self):
+        # copy through empty pipe
+        d = 'empty pipeline test COPY'
+        with open(TESTFN, 'w') as f:
+            f.write(d)
+        with open(TESTFN2, 'w') as f:
+            f.write('')
+        t=pipes.Template()
+        t.copy(TESTFN, TESTFN2)
+        with open(TESTFN2) as f:
+            self.assertEqual(f.read(), d)
+
+    def testEmptyPipeline2(self):
+        # read through empty pipe
+        d = 'empty pipeline test READ'
+        with open(TESTFN, 'w') as f:
+            f.write(d)
+        t=pipes.Template()
+        with t.open(TESTFN, 'r') as f:
+            self.assertEqual(f.read(), d)
+
+    def testEmptyPipeline3(self):
+        # write through empty pipe
+        d = 'empty pipeline test WRITE'
+        t = pipes.Template()
+        with t.open(TESTFN, 'w') as f:
+            f.write(d)
+        with open(TESTFN) as f:
+            self.assertEqual(f.read(), d)
+
+    def testQuoting(self):
+        safeunquoted = string.ascii_letters + string.digits + '@%_-+=:,./'
+        unsafe = '"`$\\!'
+
+        self.assertEqual(pipes.quote(''), "''")
+        self.assertEqual(pipes.quote(safeunquoted), safeunquoted)
+        self.assertEqual(pipes.quote('test file name'), "'test file name'")
+        for u in unsafe:
+            self.assertEqual(pipes.quote('test%sname' % u),
+                              "'test%sname'" % u)
+        for u in unsafe:
+            self.assertEqual(pipes.quote("test%s'name'" % u),
+                             "'test%s'\"'\"'name'\"'\"''" % u)
+
+    def testRepr(self):
+        t = pipes.Template()
+        self.assertEqual(repr(t), "<Template instance, steps=[]>")
+        t.append('tr a-z A-Z', pipes.STDIN_STDOUT)
+        self.assertEqual(repr(t),
+                    "<Template instance, steps=[('tr a-z A-Z', '--')]>")
+
+    def testSetDebug(self):
+        t = pipes.Template()
+        t.debug(False)
+        self.assertEqual(t.debugging, False)
+        t.debug(True)
+        self.assertEqual(t.debugging, True)
+
+    def testReadOpenSink(self):
+        # check calling open('r') on a pipe ending with
+        # a sink raises ValueError
+        t = pipes.Template()
+        t.append('boguscmd', pipes.SINK)
+        self.assertRaises(ValueError, t.open, 'bogusfile', 'r')
+
+    def testWriteOpenSource(self):
+        # check calling open('w') on a pipe ending with
+        # a source raises ValueError
+        t = pipes.Template()
+        t.prepend('boguscmd', pipes.SOURCE)
+        self.assertRaises(ValueError, t.open, 'bogusfile', 'w')
+
+    def testBadAppendOptions(self):
+        t = pipes.Template()
+
+        # try a non-string command
+        self.assertRaises(TypeError, t.append, 7, pipes.STDIN_STDOUT)
+
+        # try a type that isn't recognized
+        self.assertRaises(ValueError, t.append, 'boguscmd', 'xx')
+
+        # shouldn't be able to append a source
+        self.assertRaises(ValueError, t.append, 'boguscmd', pipes.SOURCE)
+
+        # check appending two sinks
+        t = pipes.Template()
+        t.append('boguscmd', pipes.SINK)
+        self.assertRaises(ValueError, t.append, 'boguscmd', pipes.SINK)
+
+        # command needing file input but with no $IN
+        t = pipes.Template()
+        self.assertRaises(ValueError, t.append, 'boguscmd $OUT',
+                           pipes.FILEIN_FILEOUT)
+        t = pipes.Template()
+        self.assertRaises(ValueError, t.append, 'boguscmd',
+                           pipes.FILEIN_STDOUT)
+
+        # command needing file output but with no $OUT
+        t = pipes.Template()
+        self.assertRaises(ValueError, t.append, 'boguscmd $IN',
+                           pipes.FILEIN_FILEOUT)
+        t = pipes.Template()
+        self.assertRaises(ValueError, t.append, 'boguscmd',
+                           pipes.STDIN_FILEOUT)
+
+
+    def testBadPrependOptions(self):
+        t = pipes.Template()
+
+        # try a non-string command
+        self.assertRaises(TypeError, t.prepend, 7, pipes.STDIN_STDOUT)
+
+        # try a type that isn't recognized
+        self.assertRaises(ValueError, t.prepend, 'tr a-z A-Z', 'xx')
+
+        # shouldn't be able to prepend a sink
+        self.assertRaises(ValueError, t.prepend, 'boguscmd', pipes.SINK)
+
+        # check prepending two sources
+        t = pipes.Template()
+        t.prepend('boguscmd', pipes.SOURCE)
+        self.assertRaises(ValueError, t.prepend, 'boguscmd', pipes.SOURCE)
+
+        # command needing file input but with no $IN
+        t = pipes.Template()
+        self.assertRaises(ValueError, t.prepend, 'boguscmd $OUT',
+                           pipes.FILEIN_FILEOUT)
+        t = pipes.Template()
+        self.assertRaises(ValueError, t.prepend, 'boguscmd',
+                           pipes.FILEIN_STDOUT)
+
+        # command needing file output but with no $OUT
+        t = pipes.Template()
+        self.assertRaises(ValueError, t.prepend, 'boguscmd $IN',
+                           pipes.FILEIN_FILEOUT)
+        t = pipes.Template()
+        self.assertRaises(ValueError, t.prepend, 'boguscmd',
+                           pipes.STDIN_FILEOUT)
+
+    def testBadOpenMode(self):
+        t = pipes.Template()
+        self.assertRaises(ValueError, t.open, 'bogusfile', 'x')
+
+    def testClone(self):
+        t = pipes.Template()
+        t.append('tr a-z A-Z', pipes.STDIN_STDOUT)
+
+        u = t.clone()
+        self.assertNotEqual(id(t), id(u))
+        self.assertEqual(t.steps, u.steps)
+        self.assertNotEqual(id(t.steps), id(u.steps))
+        self.assertEqual(t.debugging, u.debugging)
+
+def test_main():
+    run_unittest(SimplePipeTests)
+    reap_children()
+
+if __name__ == "__main__":
+    test_main()