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authorSimon Glass <sjg@chromium.org>2014-09-05 19:00:06 -0600
committerSimon Glass <sjg@chromium.org>2014-09-09 13:54:22 -0600
commit3c6c0f81bf3a2edfe4240bf0a3eb0e0c75140ac5 (patch)
tree2ffedae7c739d6be274e7c257cd49a4fc5709399 /tools
parent0b703dbcee7103f07804d0a4328d1593355c4324 (diff)
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patman: Add a way of recording terminal output for testing
When running unit tests we don't want output to go to the terminal. Provide a way of collecting it so that it can be examined by test code later. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/patman/terminal.py72
1 files changed, 72 insertions, 0 deletions
diff --git a/tools/patman/terminal.py b/tools/patman/terminal.py
index 963f2f8..e78a7c1 100644
--- a/tools/patman/terminal.py
+++ b/tools/patman/terminal.py
@@ -14,6 +14,78 @@ import sys
# Selection of when we want our output to be colored
COLOR_IF_TERMINAL, COLOR_ALWAYS, COLOR_NEVER = range(3)
+# Initially, we are set up to print to the terminal
+print_test_mode = False
+print_test_list = []
+
+class PrintLine:
+ """A line of text output
+
+ Members:
+ text: Text line that was printed
+ newline: True to output a newline after the text
+ colour: Text colour to use
+ """
+ def __init__(self, text, newline, colour):
+ self.text = text
+ self.newline = newline
+ self.colour = colour
+
+ def __str__(self):
+ return 'newline=%s, colour=%s, text=%s' % (self.newline, self.colour,
+ self.text)
+
+def Print(text='', newline=True, colour=None):
+ """Handle a line of output to the terminal.
+
+ In test mode this is recorded in a list. Otherwise it is output to the
+ terminal.
+
+ Args:
+ text: Text to print
+ newline: True to add a new line at the end of the text
+ colour: Colour to use for the text
+ """
+ if print_test_mode:
+ print_test_list.append(PrintLine(text, newline, colour))
+ else:
+ if colour:
+ col = Color()
+ text = col.Color(colour, text)
+ print text,
+ if newline:
+ print
+
+def SetPrintTestMode():
+ """Go into test mode, where all printing is recorded"""
+ global print_test_mode
+
+ print_test_mode = True
+
+def GetPrintTestLines():
+ """Get a list of all lines output through Print()
+
+ Returns:
+ A list of PrintLine objects
+ """
+ global print_test_list
+
+ ret = print_test_list
+ print_test_list = []
+ return ret
+
+def EchoPrintTestLines():
+ """Print out the text lines collected"""
+ for line in print_test_list:
+ if line.colour:
+ col = Color()
+ print col.Color(line.colour, line.text),
+ else:
+ print line.text,
+ if line.newline:
+ print
+
+
class Color(object):
"""Conditionally wraps text in ANSI color escape sequences."""
BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8)