patman: Correct unit tests to run correctly

It seems that doctest behaves differently now, and some of the unit tests
do not run. Adjust the tests to work correctly.

 ./tools/patman/patman --test
<unittest.result.TestResult run=10 errors=0 failures=0>

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/patman/gitutil.py

@@ -478,13 +478,13 @@ def LookupEmail(lookup_name, alias=None, raise_on_error=True, level=0):
     ...
     OSError: Recursive email alias at 'other'
     >>> LookupEmail('odd', alias, raise_on_error=False)
-    \033[1;31mAlias 'odd' not found\033[0m
+    Alias 'odd' not found
     []
     >>> # In this case the loop part will effectively be ignored.
     >>> LookupEmail('loop', alias, raise_on_error=False)
-    \033[1;31mRecursive email alias at 'other'\033[0m
-    \033[1;31mRecursive email alias at 'john'\033[0m
-    \033[1;31mRecursive email alias at 'mary'\033[0m
+    Recursive email alias at 'other'
+    Recursive email alias at 'john'
+    Recursive email alias at 'mary'
     ['j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
     """
     if not alias:

tools/patman/patchstream.py

@@ -275,7 +275,7 @@ class PatchStream:
 
         # Suppress duplicate signoffs
         elif signoff_match:
-            if (self.is_log or
+            if (self.is_log or not self.commit or
                 self.commit.CheckDuplicateSignoff(signoff_match.group(1))):
                 out = [line]
 
@@ -312,7 +312,10 @@ class PatchStream:
                 out = []
                 log = self.series.MakeChangeLog(self.commit)
                 out += self.FormatTags(self.tags)
-                out += [line] + self.commit.notes + [''] + log
+                out += [line]
+                if self.commit:
+                    out += self.commit.notes
+                out += [''] + log
             elif self.found_test:
                 if not re_allowed_after_test.match(line):
                     self.lines_after_test += 1

tools/patman/terminal.py

@@ -30,8 +30,12 @@ class Color(object):
           enabled: True if color output should be enabled. If False then this
             class will not add color codes at all.
         """
-        self._enabled = (colored == COLOR_ALWAYS or
-            (colored == COLOR_IF_TERMINAL and os.isatty(sys.stdout.fileno())))
+        try:
+            self._enabled = (colored == COLOR_ALWAYS or
+                    (colored == COLOR_IF_TERMINAL and
+                     os.isatty(sys.stdout.fileno())))
+        except:
+            self._enabled = False
 
     def Start(self, color, bright=True):
         """Returns a start color code.

tools/patman/test.py

@@ -55,6 +55,7 @@ This adds functions to enable/disable clocks and reset to on-chip peripherals.
 
 Signed-off-by: Simon Glass <sjg@chromium.org>
 ---
+
  arch/arm/cpu/armv7/tegra2/Makefile         |    2 +-
  arch/arm/cpu/armv7/tegra2/ap20.c           |   57 ++----
  arch/arm/cpu/armv7/tegra2/clock.c          |  163 +++++++++++++++++
@@ -200,7 +201,7 @@ index 0000000..2234c87
         self.assertEqual(result.errors, 0)
         self.assertEqual(result.warnings, 0)
         self.assertEqual(result.checks, 0)
-        self.assertEqual(result.lines, 67)
+        self.assertEqual(result.lines, 56)
         os.remove(inf)
 
     def testNoSignoff(self):
@@ -211,18 +212,18 @@ index 0000000..2234c87
         self.assertEqual(result.errors, 1)
         self.assertEqual(result.warnings, 0)
         self.assertEqual(result.checks, 0)
-        self.assertEqual(result.lines, 67)
+        self.assertEqual(result.lines, 56)
         os.remove(inf)
 
     def testSpaces(self):
         inf = self.SetupData('spaces')
         result = checkpatch.CheckPatch(inf)
         self.assertEqual(result.ok, False)
-        self.assertEqual(len(result.problems), 1)
+        self.assertEqual(len(result.problems), 2)
         self.assertEqual(result.errors, 0)
-        self.assertEqual(result.warnings, 1)
+        self.assertEqual(result.warnings, 2)
         self.assertEqual(result.checks, 0)
-        self.assertEqual(result.lines, 67)
+        self.assertEqual(result.lines, 56)
         os.remove(inf)
 
     def testIndent(self):
@@ -233,7 +234,7 @@ index 0000000..2234c87
         self.assertEqual(result.errors, 0)
         self.assertEqual(result.warnings, 0)
         self.assertEqual(result.checks, 1)
-        self.assertEqual(result.lines, 67)
+        self.assertEqual(result.lines, 56)
         os.remove(inf)