def _runTest(self, text):
input_stream = InputStream(text)
parser = CUParser(input_stream, unittest.TestCase.id)
cu = parser.parse()
if len(cu.markers) > 0:
print("Test Failed:")
in_reader = StringIO(text)
i = 1
while True:
line = in_reader.readline()
if line == "":
break
line = line[:-1]
print("%3d: %s" % (i, line))
i += 1
self.assertEqual(len(cu.markers), 0, "Syntax Errors")
# Now, run the linker...
v = LinkVisitor([cu])
v.link()
# Run the link checker to ensure we didn't miss resolving any
v = TestLinker.LinkCheckVisitor()
cu.accept(v)
def _runTest(self, text, name):
input_stream = InputStream(text)
parser = CUParser(input_stream, name)
cu = parser.parse()
if len(cu.markers) > 0:
print("Test Failed:")
in_reader = StringIO(text)
i=1
while True:
line = in_reader.readline()
if line == "":
break
line = line[:-1]
print("%3d: %s" % (i, line))
i+=1
self.assertEqual(len(cu.markers), 0, "Errors")
def test_readline():
sio = StringIO(u'123\n456')
assert sio.readline(0) == ''
assert sio.readline(2) == '12'
assert sio.readline(None) == '3\n'
assert sio.readline() == '456'
f.close()
#with语句来自动帮我们调用close()方法
with open('C:/Users/bingw/Desktop/mygit/gitTest.txt', 'r') as f:
print(f.read())
#使用readlines函数读取文件内容
with open('C:/Users/bingw/Desktop/mygit/gitTest.txt', 'r') as f:
for line in f.readlines():
print(line.strip())
#StringIO在内存中读写str，如果要操作二进制数据，就需要使用BytesIO，方法和StringIO类似
s = StringIO()
s.write('hello')
print(s.getvalue())
#读取StringIO
f = StringIO('hello,world')
while True:
str1 = f.readline()
if str1 == '':
break
print(str1.strip())
#os模块的基本功能
print(os.name)
#操作系统类型，如果是posix，说明系统是Linux、Unix或Mac OS X，如果是nt，就是Windows系统
print(os.environ)
#查看环境变量
print(os.environ.get('JAVA_HOME'))
#获取某个环境变量的值
print(os.path.abspath('.'))
#查看当前目录的绝对路径
'''在某个目录下创建一个新目录，首先把新目录的完整路径表示出来；
os.path.split()用来拆分路径；os.path.splitext()可以直接让你得到文件扩展名'''
print(os.path.join('E:/', 'testdir'))
'''
@author: xilh
@since: 20200128
'''
from _io import StringIO
from demo.tools.tool import pline
# 创建对象
f = StringIO()
f.write('hello')
f.write(' ')
f.write('world')
ret = f.getvalue()
print(ret)
pline()
f = StringIO("abcdefghijk")
print(f.read(2))
print(f.readline())
