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import curio |
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import pytest |
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3
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4
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from async_rx import Observer, Subscription, rx_concat, rx_create, rx_from, rx_range, rx_repeat_series, rx_throw |
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5
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6
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from ..model import ObserverCounterCollector |
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from .model import countdown |
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8
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9
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10
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def test_rx_concat_concurrent(kernel): |
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12
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seeker = ObserverCounterCollector() |
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14
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async def _build(): |
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return rx_concat(rx_create(subscribe=await countdown(5, 0.1)), rx_create(subscribe=await countdown(5, 0.2))) |
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16
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17
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obs = kernel.run(_build()) |
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sub_a = kernel.run(obs.subscribe(seeker)) |
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kernel.run(sub_a()) |
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20
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assert seeker.on_completed_count == 1 |
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21
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assert seeker.on_error_count == 0 |
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22
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assert seeker.on_next_count == 10 |
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23
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assert seeker.items == [5, 4, 3, 2, 1, 5, 4, 3, 2, 1] |
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24
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25
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26
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def test_rx_concat(kernel): |
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28
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seeker = ObserverCounterCollector() |
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30
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obs = rx_concat(rx_range(start=1, stop=20), rx_from("i am an iterable")) |
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sub_a = kernel.run(obs.subscribe(seeker)) |
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kernel.run(sub_a()) |
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34
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assert seeker.on_completed_count == 1 |
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assert seeker.on_error_count == 0 |
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assert seeker.on_next_count == (20 - 1 + len("i am an iterable")) |
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assert seeker.items == [ |
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38
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1, |
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39
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2, |
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40
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3, |
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41
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4, |
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42
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5, |
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43
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6, |
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44
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7, |
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45
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8, |
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46
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9, |
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10, |
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48
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11, |
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49
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12, |
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50
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13, |
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51
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14, |
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52
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15, |
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53
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16, |
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54
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17, |
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55
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18, |
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56
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19, |
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57
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"i", |
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58
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" ", |
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59
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"a", |
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60
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"m", |
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" ", |
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"a", |
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"n", |
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" ", |
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"i", |
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"t", |
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67
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"e", |
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68
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"r", |
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69
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"a", |
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70
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"b", |
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"l", |
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72
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"e", |
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] |
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74
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75
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76
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def test_rx_concat_with_error(kernel): |
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async def sub(an_observer: Observer) -> Subscription: |
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await an_observer.on_error("AA") |
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79
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80
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seeker = ObserverCounterCollector() |
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81
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82
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obs = rx_concat(rx_range(start=1, stop=20), rx_create(subscribe=sub)) |
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sub_a = kernel.run(obs.subscribe(seeker)) |
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84
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kernel.run(sub_a()) |
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85
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86
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assert seeker.on_completed_count == 0 |
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87
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assert seeker.on_error_count == 1 |
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88
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assert seeker.on_next_count == 19 |
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89
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90
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91
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def test_rx_concat_with_throw(kernel): |
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92
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93
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seeker = ObserverCounterCollector() |
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94
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95
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obs = rx_concat(rx_range(start=1, stop=20), rx_throw("oups")) |
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96
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sub_a = kernel.run(obs.subscribe(seeker)) |
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97
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kernel.run(sub_a()) |
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98
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99
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assert seeker.on_completed_count == 0 |
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100
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assert seeker.on_error_count == 1 |
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101
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assert seeker.on_next_count == 19 |
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102
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103
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104
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def test_rx_concat_with_series_throw(kernel): |
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105
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106
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seeker = ObserverCounterCollector() |
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107
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108
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obs = rx_concat(rx_repeat_series([(0.1, "A"), (0.5, "B"), (1.0, "C")]), rx_throw("oups")) |
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109
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sub_a = kernel.run(obs.subscribe(seeker)) |
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110
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kernel.run(curio.sleep(3)) |
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111
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kernel.run(sub_a()) |
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112
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113
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assert seeker.on_next_count == 3 |
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114
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assert seeker.on_completed_count == 0 |
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115
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assert seeker.on_error_count == 1 |
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116
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117
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118
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def test_rx_concat_with_no_observable(kernel): |
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119
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120
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with pytest.raises(RuntimeError): |
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121
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rx_concat() |
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122
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geronimo-iia /
async-rx
