diff test/test_cmdexpand.py @ 44:a2ce575ce82b

add cmdexpand function and tests
author Bernhard Herzog <bh@intevation.de>
date Mon, 19 Mar 2007 20:14:07 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/test_cmdexpand.py	Mon Mar 19 20:14:07 2007 +0100
@@ -0,0 +1,124 @@
+# Copyright (C) 2007 by Intevation GmbH
+# Authors:
+# Bernhard Herzog <bh@intevation.de>
+#
+# This program is free software under the GPL (>=v2)
+# Read the file COPYING coming with the software for details.
+
+"""Tests for the cmdexpand function"""
+
+import unittest
+
+from treepkg.cmdexpand import cmdexpand
+
+
+class TestCMDExpand(unittest.TestCase):
+
+    def test_words(self):
+        """Test cmdexpand with simple whitespace separated words"""
+        self.assertEquals(cmdexpand("abc defg xyz zy"),
+                          ['abc', 'defg', 'xyz', 'zy'])
+
+    def test_single_quoted(self):
+        """Test cmdexpand with some single quoted words"""
+        self.assertEquals(cmdexpand("abc 'defg xyz' zy"),
+                          ['abc', 'defg xyz', 'zy'])
+
+    def test_double_quoted(self):
+        """Test cmdexpand with some double quoted words"""
+        self.assertEquals(cmdexpand('abc "defg  xyz" zy'),
+                          ['abc', 'defg  xyz', 'zy'])
+
+    def test_word_expansion(self):
+        """Test cmdexpand with simple word expansion"""
+        self.assertEquals(cmdexpand('abc $foo ghi', foo="def"),
+                          ['abc', 'def', 'ghi'])
+        self.assertEquals(cmdexpand('abc $foo ghi $bar', foo="def", bar="X"),
+                          ['abc', 'def', 'ghi', 'X'])
+
+    def test_word_expansion_braced_name(self):
+        """Test cmdexpand with word expansion using braced names"""
+        self.assertEquals(cmdexpand('abc ${foo} x${foo}y ghi', foo="def"),
+                          ['abc', 'def', 'xdefy', 'ghi'])
+
+    def test_word_expansion_non_byte_string(self):
+        """Test cmdexpand quoting of dollar signs"""
+        self.assertEquals(cmdexpand('abc $foo $bar ghi', foo=123, bar=u"1 2 3"),
+                          ['abc', '123', '1 2 3', 'ghi'])
+
+    def test_word_expansion_non_identifier(self):
+        """Test cmdexpand word expansion if dollar not followed by identifier"""
+        # $ immediately followed by a non-identifier character
+        self.assertRaises(ValueError, cmdexpand, 'abc $#foo bar', foo="def")
+
+    def test_word_expansion_inside_words(self):
+        """Test cmdexpand word expansions in parts of words"""
+        self.assertEquals(cmdexpand("$foo x$bar y$baz.",
+                                    foo="abc", bar="yz", baz="zx"),
+                          ["abc", "xyz", "yzx."])
+        self.assertEquals(cmdexpand("$foo x$bar-$baz.",
+                                    foo="abc", bar="yz", baz="zx"),
+                          ["abc", "xyz-zx."])
+
+    def test_case_sensitivity(self):
+        """Test case sensitivity of expansion keys"""
+        self.assertEquals(cmdexpand('abc $foo $Foo $FOO',
+                                    foo="def", Foo="DEF", FOO="Def"),
+                          ['abc', 'def', 'DEF', 'Def'])
+
+    def test_list_expansion(self):
+        """Test cmdexpand with list expansion"""
+        self.assertEquals(cmdexpand('abc @foo ghi', foo=["d", "e", "f"]),
+                          ['abc', 'd', 'e', 'f', 'ghi'])
+
+    def test_list_expansion_non_string(self):
+        """Test cmdexpand with list expansion"""
+        self.assertEquals(cmdexpand('abc @foo ghi', foo=[1, 1.0, None]),
+                          ['abc', '1', '1.0', 'None', 'ghi'])
+
+    def test_list_expansion_with_iterators(self):
+        """Test cmdexpand with list expansion using an iterator"""
+        self.assertEquals(cmdexpand('abc @foo ghi',
+                                    foo=(i**2 for i in range(3))),
+                          ['abc', '0', '1', '4', 'ghi'])
+
+    def test_list_expansion_non_identifier(self):
+        """Test cmdexpand with at-sign not followed by identifier"""
+        # @+identifier do not cover entire word
+        self.assertRaises(ValueError, cmdexpand, 'abc @foo, ghi',
+                          foo=["d", "e", "f"])
+
+        # @ immediately followed by a non-identifier character
+        self.assertRaises(ValueError, cmdexpand, 'abc @. z')
+
+    def test_list_expansion_inside_word(self):
+        """Test whether cmdexpand raises ValueError for at-signs inside words"""
+        self.assertRaises(ValueError, cmdexpand, 'abc x@foo ghi',
+                          foo=["d", "e", "f"])
+
+
+    def test_dollar_quoting(self):
+        """Test cmdexpand quoting of dollar signs"""
+        self.assertEquals(cmdexpand('abc $$foo $foo g$$hi', foo="def"),
+                          ['abc', '$foo', 'def', 'g$hi'])
+
+    def test_atsign_quoting(self):
+        """Test cmdexpand quoting of at-signs"""
+        self.assertEquals(cmdexpand('abc @foo $@foo g$@i', foo=["d", "e", "f"]),
+                          ['abc', 'd', 'e', 'f', '@foo', 'g@i'])
+
+    def test_interaction_with_shlex_quoting(self):
+        """Test cmdexpand's interaction with shlex's quoting"""
+        # Unlike unix-shells the expansion isn't influenced much by
+        # shell quoting as supported by shlex.
+        self.assertEquals(cmdexpand('abc "@foo" \'@foo\' ghi',
+                                    foo=["d", "e", "f"]),
+                          ['abc', 'd', 'e', 'f', 'd', 'e', 'f', 'ghi'])
+        self.assertEquals(cmdexpand('abc "$foo" \'$foo\' ghi', foo="def"),
+                          ['abc', 'def', 'def', 'ghi'])
+        self.assertEquals(cmdexpand('abc " $foo" \'a $foo\' ghi', foo="def"),
+                          ['abc', ' def', 'a def', 'ghi'])
+
+
+if __name__ == "__main__":
+    unittest.main()
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