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#!/usr/bin/env python
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from element_generator import GenerateFieldContent
from element_generator import GenerateElements
import unittest
class ElementGeneratorTest(unittest.TestCase):
def testGenerateIntFieldContent(self):
lines = [];
GenerateFieldContent('', {'type': 'int', 'default': 5}, None, lines)
self.assertEquals([' 5,'], lines)
lines = [];
GenerateFieldContent('', {'type': 'int', 'default': 5}, 12, lines)
self.assertEquals([' 12,'], lines)
lines = [];
GenerateFieldContent('', {'type': 'int'}, -3, lines)
self.assertEquals([' -3,'], lines)
def testGenerateStringFieldContent(self):
lines = [];
GenerateFieldContent('', {'type': 'string', 'default': 'foo_bar'}, None,
lines)
self.assertEquals([' "foo_bar",'], lines)
lines = [];
GenerateFieldContent('', {'type': 'string', 'default': 'foo'}, 'bar\n',
lines)
self.assertEquals([' "bar\\n",'], lines)
lines = [];
GenerateFieldContent('', {'type': 'string'}, None, lines)
self.assertEquals([' NULL,'], lines)
lines = [];
GenerateFieldContent('', {'type': 'string'}, 'foo', lines)
self.assertEquals([' "foo",'], lines)
def testGenerateString16FieldContent(self):
lines = [];
GenerateFieldContent('', {'type': 'string16',
'default': u'f\u00d8\u00d81a'}, None, lines)
self.assertEquals([' L"f\\x00d8" L"\\x00d8" L"1a",'], lines)
lines = [];
GenerateFieldContent('', {'type': 'string16', 'default': 'foo'},
u'b\uc3a5r', lines)
self.assertEquals([' L"b\\xc3a5" L"r",'], lines)
lines = [];
GenerateFieldContent('', {'type': 'string16'}, None, lines)
self.assertEquals([' NULL,'], lines)
lines = [];
GenerateFieldContent('', {'type': 'string16'}, u'foo\\u1234', lines)
self.assertEquals([' L"foo\\\\u1234",'], lines)
def testGenerateEnumFieldContent(self):
lines = [];
GenerateFieldContent('', {'type': 'enum', 'default': 'RED'}, None, lines)
self.assertEquals([' RED,'], lines)
lines = [];
GenerateFieldContent('', {'type': 'enum', 'default': 'RED'}, 'BLACK', lines)
self.assertEquals([' BLACK,'], lines)
lines = [];
GenerateFieldContent('', {'type': 'enum'}, 'BLUE', lines)
self.assertEquals([' BLUE,'], lines)
def testGenerateArrayFieldContent(self):
lines = ['STRUCT BEGINS'];
GenerateFieldContent('test', {'type': 'array', 'contents': {'type': 'int'}},
None, lines)
self.assertEquals(['STRUCT BEGINS', ' NULL,', ' 0,'], lines)
lines = ['STRUCT BEGINS'];
GenerateFieldContent('test', {'field': 'my_array', 'type': 'array',
'contents': {'type': 'int'}}, [3, 4], lines)
self.assertEquals('const int array_test_my_array[] = {\n' +
' 3,\n' +
' 4,\n' +
'};\n' +
'STRUCT BEGINS\n' +
' array_test_my_array,\n' +
' 2,', '\n'.join(lines))
def testGenerateElements(self):
schema = [
{'field': 'f0', 'type': 'int', 'default': 1000, 'optional': True},
{'field': 'f1', 'type': 'string'},
{'field': 'f2', 'type': 'enum', 'ctype': 'QuasiBool', 'default': 'MAYBE',
'optional': True},
{'field': 'f3', 'type': 'array', 'contents': {'type': 'string16'},
'optional': True}
]
description = {
'int_variables': {'a': -5, 'b': 5},
'elements': {
'elem0': {'f0': 5, 'f1': 'foo', 'f2': 'SURE'},
'elem1': {'f2': 'NOWAY', 'f0': -2, 'f1': 'bar'},
'elem2': {'f1': 'foo_bar', 'f3': [u'bar', u'foo']}
}
}
# Build the expected result stream based on the unpredicatble order the
# dictionary element are listed in.
int_variable_expected = {
'a': 'const int a = -5;\n',
'b': 'const int b = 5;\n',
}
elements_expected = {
'elem0': 'const MyType elem0 = {\n' +
' 5,\n' +
' "foo",\n' +
' SURE,\n' +
' NULL,\n' +
' 0,\n'
'};\n',
'elem1': 'const MyType elem1 = {\n' +
' -2,\n' +
' "bar",\n' +
' NOWAY,\n' +
' NULL,\n' +
' 0,\n'
'};\n',
'elem2': 'const wchar_t* const array_elem2_f3[] = {\n' +
' L"bar",\n' +
' L"foo",\n' +
'};\n' +
'const MyType elem2 = {\n' +
' 1000,\n' +
' "foo_bar",\n' +
' MAYBE,\n' +
' array_elem2_f3,\n' +
' 2,\n'
'};\n'
}
expected = ''
for key, value in description['int_variables'].items():
expected += int_variable_expected[key]
expected += '\n'
elements = []
for key, value in description['elements'].items():
elements.append(elements_expected[key])
expected += '\n'.join(elements)
result = GenerateElements('MyType', schema, description)
self.assertEquals(expected, result)
def testGenerateElementsMissingMandatoryField(self):
schema = [
{'field': 'f0', 'type': 'int'},
{'field': 'f1', 'type': 'string'},
]
description = {
'int_variables': {'a': -5, 'b': 5},
'elements': {
'elem0': {'f0': 5},
}
}
self.assertRaises(RuntimeError,
lambda: GenerateElements('MyType', schema, description))
if __name__ == '__main__':
unittest.main()
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