def test_read_file_not_exists(self):
"""Files which can't be opened for read cause an error."""
s = MockSerial([b"",
# Close existing file
b"file.close()\r\n",
b"file.close()\r\n",
# Check for existance of the file
b"=file.list()['test.txt']\r\n",
b"=file.list()['test.txt']\r\nnil\r\n"])
n = NodeMCU(s)
with pytest.raises(IOError):
n.read_file("test.txt")
assert s.finished
def test_read_file(self):
"""Reading should proceed block-by-block."""
s = MockSerial([
b"",
# Close existing file
b"file.close()\r\n",
b"file.close()\r\n",
# Check for existance of the file
b"=file.list()['test.txt']\r\n",
b"=file.list()['test.txt']\r\n3\r\n",
# Open the file for read
b"=file.open('test.txt', 'r')\r\n",
b"=file.open('test.txt', 'r')\r\ntrue\r\n",
# Read a block
b"uart.write(0, file.read(2))\r\n",
b"uart.write(0, file.read(2))\r\n\x01\x02",
# Read last block
b"uart.write(0, file.read(1))\r\n",
b"uart.write(0, file.read(1))\r\n\x03",
# Close the file
b"file.close()\r\n",
b"file.close()\r\n"
])
n = NodeMCU(s)
assert n.read_file("test.txt", 2) == b"\x01\x02\x03"
assert s.finished
def test_read_file(self):
"""Reading should proceed block-by-block."""
s = MockSerial([b"",
# Close existing file
b"file.close()\r\n",
b"file.close()\r\n",
# Check for existance of the file
b"=file.list()['test.txt']\r\n",
b"=file.list()['test.txt']\r\n3\r\n",
# Open the file for read
b"=file.open('test.txt', 'r')\r\n",
b"=file.open('test.txt', 'r')\r\ntrue\r\n",
# Read a block
b"uart.write(0, file.read(2))\r\n",
b"uart.write(0, file.read(2))\r\n\x01\x02",
# Read last block
b"uart.write(0, file.read(1))\r\n",
b"uart.write(0, file.read(1))\r\n\x03",
# Close the file
b"file.close()\r\n",
b"file.close()\r\n"])
n = NodeMCU(s)
assert n.read_file("test.txt", 2) == b"\x01\x02\x03"
assert s.finished
def test_read_file_not_exists(self):
"""Files which can't be opened for read cause an error."""
s = MockSerial([
b"",
# Close existing file
b"file.close()\r\n",
b"file.close()\r\n",
# Check for existance of the file
b"=file.list()['test.txt']\r\n",
b"=file.list()['test.txt']\r\nnil\r\n"
])
n = NodeMCU(s)
with pytest.raises(IOError):
n.read_file("test.txt")
assert s.finished
