File size: 5,319 Bytes
4a51346
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
# encoding: utf-8
"""Tests for IPython.utils.capture"""

#-----------------------------------------------------------------------------
#  Copyright (C) 2013 The IPython Development Team
#
#  Distributed under the terms of the BSD License.  The full license is in
#  the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------


import sys

import pytest

from IPython.utils import capture

#-----------------------------------------------------------------------------
# Globals
#-----------------------------------------------------------------------------

_mime_map = dict(
    _repr_png_="image/png",
    _repr_jpeg_="image/jpeg",
    _repr_svg_="image/svg+xml",
    _repr_html_="text/html",
    _repr_json_="application/json",
    _repr_javascript_="application/javascript",
)

basic_data = {
    'image/png' : b'binarydata',
    'text/html' : "<b>bold</b>",
}
basic_metadata = {
    'image/png' : {
        'width' : 10,
        'height' : 20,
    },
}

full_data = {
    'image/png' : b'binarydata',
    'image/jpeg' : b'binarydata',
    'image/svg+xml' : "<svg>",
    'text/html' : "<b>bold</b>",
    'application/javascript' : "alert();",
    'application/json' : "{}",
}
full_metadata = {
    'image/png' : {"png" : "exists"},
    'image/jpeg' : {"jpeg" : "exists"},
    'image/svg+xml' : {"svg" : "exists"},
    'text/html' : {"html" : "exists"},
    'application/javascript' : {"js" : "exists"},
    'application/json' : {"json" : "exists"},
}

hello_stdout = "hello, stdout"
hello_stderr = "hello, stderr"

#-----------------------------------------------------------------------------
# Test Functions
#-----------------------------------------------------------------------------
@pytest.mark.parametrize("method_mime", _mime_map.items())
def test_rich_output_empty(method_mime):
    """RichOutput with no args"""
    rich = capture.RichOutput()
    method, mime = method_mime
    assert getattr(rich, method)() is None
    
def test_rich_output():
    """test RichOutput basics"""
    data = basic_data
    metadata = basic_metadata
    rich = capture.RichOutput(data=data, metadata=metadata)
    assert rich._repr_html_() == data["text/html"]
    assert rich._repr_png_() == (data["image/png"], metadata["image/png"])
    assert rich._repr_latex_() is None
    assert rich._repr_javascript_() is None
    assert rich._repr_svg_() is None


@pytest.mark.parametrize("method_mime", _mime_map.items())
def test_rich_output_no_metadata(method_mime):
    """test RichOutput with no metadata"""
    data = full_data
    rich = capture.RichOutput(data=data)
    method, mime = method_mime
    assert getattr(rich, method)() == data[mime]


@pytest.mark.parametrize("method_mime", _mime_map.items())
def test_rich_output_metadata(method_mime):
    """test RichOutput with metadata"""
    data = full_data
    metadata = full_metadata
    rich = capture.RichOutput(data=data, metadata=metadata)
    method, mime = method_mime
    assert getattr(rich, method)() == (data[mime], metadata[mime])

def test_rich_output_display():
    """test RichOutput.display

    This is a bit circular, because we are actually using the capture code we are testing
    to test itself.
    """
    data = full_data
    rich = capture.RichOutput(data=data)
    with capture.capture_output() as cap:
        rich.display()
    assert len(cap.outputs) == 1
    rich2 = cap.outputs[0]
    assert rich2.data == rich.data
    assert rich2.metadata == rich.metadata

def test_capture_output():
    """capture_output works"""
    rich = capture.RichOutput(data=full_data)
    with capture.capture_output() as cap:
        print(hello_stdout, end="")
        print(hello_stderr, end="", file=sys.stderr)
        rich.display()
    assert hello_stdout == cap.stdout
    assert hello_stderr == cap.stderr


def test_capture_output_no_stdout():
    """test capture_output(stdout=False)"""
    rich = capture.RichOutput(data=full_data)
    with capture.capture_output(stdout=False) as cap:
        print(hello_stdout, end="")
        print(hello_stderr, end="", file=sys.stderr)
        rich.display()
    assert "" == cap.stdout
    assert hello_stderr == cap.stderr
    assert len(cap.outputs) == 1


def test_capture_output_no_stderr():
    """test capture_output(stderr=False)"""
    rich = capture.RichOutput(data=full_data)
    # add nested capture_output so stderr doesn't make it to nose output
    with capture.capture_output(), capture.capture_output(stderr=False) as cap:
        print(hello_stdout, end="")
        print(hello_stderr, end="", file=sys.stderr)
        rich.display()
    assert hello_stdout == cap.stdout
    assert "" == cap.stderr
    assert len(cap.outputs) == 1


def test_capture_output_no_display():
    """test capture_output(display=False)"""
    rich = capture.RichOutput(data=full_data)
    with capture.capture_output(display=False) as cap:
        print(hello_stdout, end="")
        print(hello_stderr, end="", file=sys.stderr)
        rich.display()
    assert hello_stdout == cap.stdout
    assert hello_stderr == cap.stderr
    assert cap.outputs == []