helpers.py: use returncode to get the subprocess exit code in readpipe().

[bup.git] / lib / bup / t / thelpers.py

diff --git a/lib/bup/t/thelpers.py b/lib/bup/t/thelpers.py
index 18f5e890bf413edfd8d97e9ef9f03fed46cab6a0..fd041ffb792e3586259581dd70719ccf7b4c867a 100644 (file)
--- a/lib/bup/t/thelpers.py
+++ b/lib/bup/t/thelpers.py
@@ -1,6 +1,6 @@
-import os, math
+import math
+import os
 import bup._helpers as _helpers
-
 from bup.helpers import *
 from wvtest import *
 
@@ -14,10 +14,76 @@ def test_parse_num():
     WVPASSEQ(pn('1e+9 k'), 1000000000 * 1024)
     WVPASSEQ(pn('-3e-3mb'), int(-0.003 * 1024 * 1024))
 
-
 @wvtest
 def test_detect_fakeroot():
     if os.getenv('FAKEROOTKEY'):
         WVPASS(detect_fakeroot())
     else:
         WVPASS(not detect_fakeroot())
+
+@wvtest
+def test_path_components():
+    WVPASSEQ(path_components('/'), [('', '/')])
+    WVPASSEQ(path_components('/foo'), [('', '/'), ('foo', '/foo')])
+    WVPASSEQ(path_components('/foo/'), [('', '/'), ('foo', '/foo')])
+    WVPASSEQ(path_components('/foo/bar'),
+             [('', '/'), ('foo', '/foo'), ('bar', '/foo/bar')])
+    WVEXCEPT(Exception, path_components, 'foo')
+
+
+@wvtest
+def test_stripped_path_components():
+    WVPASSEQ(stripped_path_components('/', []), [('', '/')])
+    WVPASSEQ(stripped_path_components('/', ['']), [('', '/')])
+    WVPASSEQ(stripped_path_components('/', ['/']), [('', '/')])
+    WVPASSEQ(stripped_path_components('/', ['/foo']), [('', '/')])
+    WVPASSEQ(stripped_path_components('/foo', ['/bar']),
+             [('', '/'), ('foo', '/foo')])
+    WVPASSEQ(stripped_path_components('/foo', ['/foo']), [('', '/foo')])
+    WVPASSEQ(stripped_path_components('/foo/bar', ['/foo']),
+             [('', '/foo'), ('bar', '/foo/bar')])
+    WVPASSEQ(stripped_path_components('/foo/bar', ['/bar', '/foo', '/baz']),
+             [('', '/foo'), ('bar', '/foo/bar')])
+    WVPASSEQ(stripped_path_components('/foo/bar/baz', ['/foo/bar/baz']),
+             [('', '/foo/bar/baz')])
+    WVEXCEPT(Exception, stripped_path_components, 'foo', [])
+
+
+@wvtest
+def test_grafted_path_components():
+    WVPASSEQ(grafted_path_components([('/chroot', '/')], '/foo'),
+             [('', '/'), ('foo', '/foo')])
+    WVPASSEQ(grafted_path_components([('/foo/bar', '/')], '/foo/bar/baz/bax'),
+             [('', '/foo/bar'),
+              ('baz', '/foo/bar/baz'),
+              ('bax', '/foo/bar/baz/bax')])
+    WVPASSEQ(grafted_path_components([('/foo/bar/baz', '/bax')],
+                                     '/foo/bar/baz/1/2'),
+             [('', None),
+              ('bax', '/foo/bar/baz'),
+              ('1', '/foo/bar/baz/1'),
+              ('2', '/foo/bar/baz/1/2')])
+    WVPASSEQ(grafted_path_components([('/foo', '/bar/baz/bax')],
+                                     '/foo/bar'),
+             [('', None),
+              ('bar', None),
+              ('baz', None),
+              ('bax', '/foo'),
+              ('bar', '/foo/bar')])
+    WVPASSEQ(grafted_path_components([('/foo/bar/baz', '/a/b/c')],
+                                     '/foo/bar/baz'),
+             [('', None), ('a', None), ('b', None), ('c', '/foo/bar/baz')])
+    WVPASSEQ(grafted_path_components([('/', '/a/b/c/')], '/foo/bar'),
+             [('', None), ('a', None), ('b', None), ('c', '/'),
+              ('foo', '/foo'), ('bar', '/foo/bar')])
+    WVEXCEPT(Exception, grafted_path_components, 'foo', [])
+
+
+@wvtest
+def test_readpipe():
+    x = readpipe(['echo', '42'])
+    WVPASSEQ(x, '42\n')
+    try:
+        readpipe(['bash', '-c', 'exit 42'])
+    except Exception, ex:
+        WVPASSEQ(str(ex), "subprocess 'bash -c exit 42' failed with status 42")