补测试，修bug(?

[eya46]

• 补message.py的测试
• 补model.py的测试
• 补FileTypes的bug(?

httpx驱动器上传失败 #1647

nb model.py内会把files={"test":b"test"}处理成，("test", (None, b"test", None))

httpx

当FileTypes为bytes，不是Tuple[Optional[str], FileContent, Optional[str]]时，httpx会默认file_name="upload"
但传的是 Tuple[None, FileContent, Optional[str]] ，httpx会处理成FileField -> (None, b'test')
( 这会导致server端收不到文件?

# httpx/_multipart.py
if isinstance(value, tuple):
    if len(value) == 2:
        # neither the 3rd parameter (content_type) nor the 4th (headers) was included
        filename, fileobj = value  # type: ignore
    elif len(value) == 3:
        filename, fileobj, content_type = value  # type: ignore
    else:
        # all 4 parameters included
        filename, fileobj, content_type, headers = value  # type: ignore
else:
    filename = Path(str(getattr(value, "name", "upload"))).name

aiohttp

没看(

test_file

files=[
    ("test1", b"test"),
    ("test2", ("test.txt", b"test")),
    ("test3", ("test.txt", b"test", "text/plain")),
]

response = await driver.request(request)
data = json.loads(response.content)

// httpx {"test2": "test", "test3": "test"}, "报错""file parsing error"
assert data["files"] == {
    "test1": "test",
    "test2": "test",
    "test3": "test",
}, "file parsing error"

// aiohttp ok

[codecov]

Codecov Report

Merging #2280 (21a0b6e) into master (47d5a64) will increase coverage by 0.23%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2280      +/-   ##
==========================================
+ Coverage   89.80%   90.04%   +0.23%     
==========================================
  Files          46       46              
  Lines        3345     3345              
==========================================
+ Hits         3004     3012       +8     
+ Misses        341      333       -8     

Flag	Coverage Δ
unittests	90.04% <100.00%> (+0.23%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
nonebot/internal/driver/model.py	73.42% <100.00%> (+2.79%)	⬆️

... and 1 file with indirect coverage changes

[github-actions]

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[yanyongyu]

能不能一个pr做一件事？