#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Unit tests for gluon.template
"""
import sys
import os
if os.path.isdir('gluon'):
sys.path.append(os.path.realpath('gluon'))
else:
sys.path.append(os.path.realpath('../'))
import unittest
from template import render
class TestVirtualFields(unittest.TestCase):
def testRun(self):
self.assertEqual(render(content='{{for i in range(n):}}{{=i}}{{pass}}',
context=dict(n=3)), '012')
self.assertEqual(render(content='{{if n>2:}}ok{{pass}}',
context=dict(n=3)), 'ok')
self.assertEqual(render(content='{{try:}}{{n/0}}{{except:}}fail{{pass}}',
context=dict(n=3)), 'fail')
self.assertEqual(render(content='{{="<&>"}}'), '<&>')
self.assertEqual(render(content='"abc"'), '"abc"')
self.assertEqual(render(content='"a\'bc"'), '"a\'bc"')
self.assertEqual(render(content='"a\"bc"'), '"a\"bc"')
self.assertEqual(render(content=r'''"a\"bc"'''), r'"a\"bc"')
self.assertEqual(render(content=r'''"""abc\""""'''), r'"""abc\""""')
def testEqualWrite(self):
"test generation of response.write from ="
self.assertEqual(render(content='{{="abc"}}'), 'abc')
# whitespace is stripped
self.assertEqual(render(content='{{ ="abc"}}'), 'abc')
self.assertEqual(render(content='{{ ="abc" }}'), 'abc')
self.assertEqual(render(content='{{pass\n="abc" }}'), 'abc')
# = recognized only at the beginning of a physical line
self.assertEqual(render(content='{{xyz = "xyz"\n="abc"\n="def"\n=xyz }}'), 'abcdefxyz')
# = in python blocks
self.assertEqual(render(content='{{if True:\n="abc"\npass }}'), 'abc')
self.assertEqual(render(content='{{if True:\n="abc"\npass\n="def" }}'), 'abcdef')
self.assertEqual(render(content='{{if False:\n="abc"\npass\n="def" }}'), 'def')
self.assertEqual(render(content='{{if True:\n="abc"\nelse:\n="def"\npass }}'), 'abc')
self.assertEqual(render(content='{{if False:\n="abc"\nelse:\n="def"\npass }}'), 'def')
# codeblock-leading = handles internal newlines, escaped or not
self.assertEqual(render(content='{{=list((1,2,3))}}'), '[1, 2, 3]')
self.assertEqual(render(content='{{=list((1,2,\\\n3))}}'), '[1, 2, 3]')
self.assertEqual(render(content='{{=list((1,2,\n3))}}'), '[1, 2, 3]')
# ...but that means no more = operators in the codeblock
self.assertRaises(SyntaxError, render, content='{{="abc"\n="def" }}')
# = embedded in codeblock won't handle newlines in its argument
self.assertEqual(render(content='{{pass\n=list((1,2,\\\n3))}}'), '[1, 2, 3]')
self.assertRaises(SyntaxError, render, content='{{pass\n=list((1,2,\n3))}}')
if __name__ == '__main__':
unittest.main()