Add test framework for bmpblk_utility.

tests/bitmaps/TestBmpBlock.py

+#!/usr/bin/python -tt
+
+"""Unit tests for bmpblk_utility.
+"""
+
+import os
+import sys
+import subprocess
+import unittest
+
+def runprog(*args):
+  """Runs specified program and args, returns (exitcode, stdout, stderr)."""
+  p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  out, err = p.communicate()
+  return (p.returncode, out, err)
+
+
+class TestBmpBlock(unittest.TestCase):
+
+  def testNoArgs(self):
+    """Running with no args should print usage and fail."""
+    rc, out, err = runprog(prog)
+    self.assertNotEqual(0, rc)
+    self.assertTrue(out.count("Usage:"))
+
+  def testMissingBmp(self):
+    """Missing a bmp specified in the yaml is an error."""
+    rc, out, err = runprog(prog, '-c', '-C', 'case_nobmp.yaml', 'FOO')
+    self.assertNotEqual(0, rc)
+    self.assertTrue(err.count("No such file or directory"))
+
+  def testInvalidBmp(self):
+    """A .bmp file that isn't really a BMP should fail."""
+    rc, out, err = runprog(prog, '-c', '-C', 'case_badbmp.yaml', 'FOO')
+    self.assertNotEqual(0, rc)
+    self.assertTrue(err.count("Unsupported image format"))
+
+
+# Run these tests
+if __name__ == '__main__':
+  varname = 'BMPBLK'
+  if varname not in os.environ:
+    print('You must specify the path to bmpbpk_utility in the $%s '

[Randall Spangler, 2011/02/07 23:38:35]

bmpblk?

+          'environment variable.' % varname)
+    sys.exit(1)
+  prog = os.environ[varname]
+  print "Testing prog...", prog
+  unittest.main()
+