File size: 4,859 Bytes
2c3c408 | 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 | from textual._text_backend import TextEditorBackend
CONTENT = "Hello, world!"
def test_set_content():
editor = TextEditorBackend()
editor.set_content(CONTENT)
assert editor.content == CONTENT
def test_delete_back_cursor_at_start_is_noop():
editor = TextEditorBackend(CONTENT)
assert not editor.delete_back()
assert editor == TextEditorBackend(CONTENT, 0)
def test_delete_back_cursor_at_end():
editor = TextEditorBackend(CONTENT)
assert editor.cursor_text_end()
assert editor.delete_back()
assert editor == TextEditorBackend("Hello, world", 12)
def test_delete_back_cursor_in_middle():
editor = TextEditorBackend(CONTENT, 5)
assert editor.delete_back()
assert editor == TextEditorBackend("Hell, world!", 4)
def test_delete_forward_cursor_at_start():
editor = TextEditorBackend(CONTENT)
assert editor.delete_forward()
assert editor.content == "ello, world!"
def test_delete_forward_cursor_at_end_is_noop():
editor = TextEditorBackend(CONTENT)
assert editor.cursor_text_end()
assert not editor.delete_forward()
assert editor == TextEditorBackend(CONTENT, len(CONTENT))
def test_delete_forward_cursor_in_middle():
editor = TextEditorBackend(CONTENT, 5)
editor.cursor_index = 5
assert editor.delete_forward()
assert editor == TextEditorBackend("Hello world!", 5)
def test_cursor_left_cursor_at_start_is_noop():
editor = TextEditorBackend(CONTENT)
assert not editor.cursor_left()
assert editor == TextEditorBackend(CONTENT)
def test_cursor_left_cursor_in_middle():
editor = TextEditorBackend(CONTENT, 6)
assert editor.cursor_left()
assert editor == TextEditorBackend(CONTENT, 5)
def test_cursor_left_cursor_at_end():
editor = TextEditorBackend(CONTENT, len(CONTENT))
assert editor.cursor_left()
assert editor == TextEditorBackend(CONTENT, len(CONTENT) - 1)
def test_cursor_right_cursor_at_start():
editor = TextEditorBackend(CONTENT)
assert editor.cursor_right()
assert editor == TextEditorBackend(CONTENT, 1)
def test_cursor_right_cursor_in_middle():
editor = TextEditorBackend(CONTENT, 5)
assert editor.cursor_right()
assert editor == TextEditorBackend(CONTENT, 6)
def test_cursor_right_cursor_at_end_is_noop():
editor = TextEditorBackend(CONTENT, len(CONTENT))
editor.cursor_right()
assert editor == TextEditorBackend(CONTENT, len(CONTENT))
def test_query_cursor_left_cursor_at_start_returns_false():
editor = TextEditorBackend(CONTENT)
assert not editor.query_cursor_left()
def test_query_cursor_left_cursor_at_end_returns_true():
editor = TextEditorBackend(CONTENT, len(CONTENT))
assert editor.query_cursor_left()
def test_query_cursor_left_cursor_in_middle_returns_true():
editor = TextEditorBackend(CONTENT, 6)
assert editor.query_cursor_left()
def test_query_cursor_right_cursor_at_start_returns_true():
editor = TextEditorBackend(CONTENT)
assert editor.query_cursor_right()
def test_query_cursor_right_cursor_in_middle_returns_true():
editor = TextEditorBackend(CONTENT, 6)
assert editor.query_cursor_right()
def test_query_cursor_right_cursor_at_end_returns_false():
editor = TextEditorBackend(CONTENT, len(CONTENT))
assert not editor.query_cursor_right()
def test_cursor_text_start_cursor_already_at_start():
editor = TextEditorBackend(CONTENT)
assert not editor.cursor_text_start()
assert editor.cursor_index == 0
def test_cursor_text_start_cursor_in_middle():
editor = TextEditorBackend(CONTENT, 6)
assert editor.cursor_text_start()
assert editor.cursor_index == 0
def test_cursor_text_end_cursor_already_at_end():
editor = TextEditorBackend(CONTENT, len(CONTENT))
assert not editor.cursor_text_end()
assert editor.cursor_index == len(CONTENT)
def test_cursor_text_end_cursor_in_middle():
editor = TextEditorBackend(CONTENT, len(CONTENT))
assert not editor.cursor_text_end()
assert editor.cursor_index == len(CONTENT)
def test_insert_at_cursor_cursor_at_start():
editor = TextEditorBackend(CONTENT)
assert editor.insert("ABC")
assert editor.content == "ABC" + CONTENT
assert editor.cursor_index == len("ABC")
def test_insert_at_cursor_cursor_in_middle():
start_cursor_index = 6
editor = TextEditorBackend(CONTENT, start_cursor_index)
assert editor.insert("ABC")
assert editor.content == "Hello,ABC world!"
assert editor.cursor_index == start_cursor_index + len("ABC")
def test_insert_at_cursor_cursor_at_end():
editor = TextEditorBackend(CONTENT, len(CONTENT))
assert editor.insert("ABC")
assert editor.content == CONTENT + "ABC"
assert editor.cursor_index == len(editor.content)
def test_get_range():
editor = TextEditorBackend(CONTENT)
assert editor.get_range(0, 5) == "Hello"
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