Leo Vasanko
6eb9087863
All change-related output (transactions, bootstrap, migrations) is now described by a mutable LogEvent carrying full state plus the preferred logger and level, and dispatched through emit_event. @kanta.logemit callbacks receive the event and decide what is logged where: falsy return marks it handled, truthy passes it (possibly modified) down the chain, with default_emit - Kanta's own formatting, now just another emitter - as the fallback. Pretty header and diff lines are lazy event properties. New kanta.tty module: Line builder (call to append content, .colorname arms a palette color for the next call with automatic folded reset, width/align padding), a mutable Colors palette storing bare SGR params (0 clears, sequential last-wins stacking), and strip_ansi/displaywidth/pad helpers that count wide chars and emoji correctly.
76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
from kanta.logging import format_diff
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from kanta.tty import ESC, colors
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_ADD = f"{ESC}{colors.add}m"
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_DELETE = f"{ESC}{colors.delete}m"
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def test_add():
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lines = format_diff({"name": "Alice"}, previous={})
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assert any("name" in line for line in lines)
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def test_add_path_is_green():
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lines = format_diff({"name": "Alice"}, previous={})
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assert any(_ADD in line for line in lines)
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def test_nested_add_path_final_element_is_green():
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lines = format_diff({"users": {"alice": 1}}, previous={"users": {}})
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assert any(_ADD in line and "alice" in line for line in lines)
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def test_update_path_not_colored_as_add():
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lines = format_diff({"name": "Bob"}, previous={"name": "Alice"})
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assert lines
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assert all(_ADD not in line for line in lines)
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def test_delete_path_not_colored_as_add():
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lines = format_diff({"$delete": ["old_key"]}, previous={"old_key": 1})
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assert any(_DELETE in line for line in lines)
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assert all(_ADD not in line for line in lines)
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def test_update():
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lines = format_diff({"name": "Bob"}, previous={"name": "Alice"})
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assert any("Bob" in line for line in lines)
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def test_delete():
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lines = format_diff({"$delete": ["old_key"]}, previous={"old_key": 1})
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assert any("old_key" in line for line in lines)
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def test_logfmt():
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lines = format_diff(
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{"users": {"uuid-1": {"name": "Alice"}}},
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previous={},
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logfmt=lambda value, path: "Alice" if value == "uuid-1" else None,
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)
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assert any("Alice" in line for line in lines)
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def test_logfmt_uses_path_context():
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lines = format_diff(
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{
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"users": {"uuid-1": {"name": "Alice"}},
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"groups": {"uuid-1": {"name": "Admins"}},
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},
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previous={},
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logfmt=lambda value, path: (
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"User Alice" if path.startswith("users.") and value == "uuid-1" else None
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),
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)
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assert any("User Alice" in line for line in lines)
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assert any("uuid-1" in line for line in lines)
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def test_logfmt_formats_non_string_value():
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lines = format_diff(
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{"count": 42},
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previous={},
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logfmt=lambda value, path: "forty-two" if value == 42 else None,
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)
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assert any("forty-two" in line for line in lines)
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