100 lines
5.4 KiB
PHP
100 lines
5.4 KiB
PHP
<?php
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namespace IndifferentKetchup\Codex\Test\Tests\Util\Redactor;
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use IndifferentKetchup\Codex\Util\ProjectZomboid\ProjectZomboidRedactor;
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use PHPUnit\Framework\TestCase;
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/**
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* Verifies the idempotence property of ProjectZomboidRedactor::redact().
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*
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* Idempotence: redact(redact(x)) === redact(x) for all valid inputs.
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*
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* A downstream consumer might accidentally double-pipe content through the
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* Redactor. The result must be stable — a second pass must make no further
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* changes. If a regex were poorly anchored such that the post-redact placeholder
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* itself matched and was re-redacted to something different, idempotence would
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* fail. Specifically, the player-name regex PLAYER_AFTER_STEAMID_REGEX anchors
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* on 76561198000000000 — the same value the Steam ID pass writes. This test
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* suite verifies that applying redact() twice is safe: on the second pass, names
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* already written as <player> do not accidentally re-match and produce a doubly-
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* nested result like "<player>" → something else.
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*/
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class ProjectZomboidRedactorIdempotenceTest extends TestCase
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{
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public function testIdempotenceSteamIdOnly(): void
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{
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$input = implode("\n", [
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'Players: 76561198111111111, 76561198222222222, 76561198333333333 connected.',
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'[16-04-26 12:00:00.000] [76561198111111111][ISEnterVehicle][Player1][1000,2000,0][Van_LectroMax].',
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]);
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$redactor = new ProjectZomboidRedactor();
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$redacted = $redactor->redact($input);
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$redactedAgain = $redactor->redact($redacted);
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$this->assertSame($redacted, $redactedAgain, 'Applying redact() twice to Steam-ID-only input must produce the same result as applying it once.');
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}
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public function testIdempotencePlayerNamesOnly(): void
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{
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// Input already has the Steam ID placeholder in place (as the Steam ID pass
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// would have written it), so PLAYER_AFTER_STEAMID_REGEX can fire. After the
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// first pass the name becomes "<player>"; the second pass must leave "<player>"
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// untouched — it is not a valid display name inside double quotes preceded
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// by the Steam ID placeholder anchor in a way that would re-match, because
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// the replacement written is: 76561198000000000 "<player>", and the regex
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// would need an unquoted player name inside quotes after the placeholder.
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// "<player>" (with the angle brackets) does satisfy [^"]+ but the second
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// pass must still produce an identical result.
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$input = implode("\n", [
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'76561198000000000 "Player1" ISLogSystem.writeLog @ 1000,2000,0.',
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"[16-04-26 17:05:03.280][info] Got message:ChatMessage{chat=Local, author='AdminUser', text='hi'}.",
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'[16-04-26 16:17:49.731][LOG] Safety: "Player2" (1000,2000,0) restore true.',
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]);
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$redactor = (new ProjectZomboidRedactor())->redactSteamIds(false)->redactCoordinates(false);
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$redacted = $redactor->redact($input);
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$redactedAgain = $redactor->redact($redacted);
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$this->assertSame($redacted, $redactedAgain, 'Applying redact() twice to player-name-only input must produce the same result as applying it once.');
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}
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public function testIdempotenceCoordsOnly(): void
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{
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$input = implode("\n", [
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'[16-04-26 12:00:00.000] 76561198000000001 "Player1" added Base.Aerosolbomb at 1000,2000,0.',
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'[16-04-26 12:00:01.000] [76561198000000001][ISEnterVehicle][Player1][1020,2020,-1][Van_LectroMax].',
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'[16-04-26 17:14:35.128][INFO] Combat: "Player1" (1005,2005,0) hit "Player2" (1006,2005,0) weapon="Tire Iron (Worn)" damage=0.112317.',
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'[16-04-26 16:17:49.731][LOG] Safety: "Player1" (1000,2000,0) restore true.',
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]);
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$redactor = (new ProjectZomboidRedactor())->redactSteamIds(false)->redactPlayerNames(false);
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$redacted = $redactor->redact($input);
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$redactedAgain = $redactor->redact($redacted);
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$this->assertSame($redacted, $redactedAgain, 'Applying redact() twice to coords-only input must produce the same result as applying it once; the placeholder 0,0,0 must not be re-matched.');
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}
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public function testIdempotenceAllCategories(): void
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{
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// Full input: all three PII categories in multiple lexical contexts.
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// After the first redact(), every placeholder is in place. The second
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// redact() must make no further changes.
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$input = implode("\n", [
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'[16-04-26 12:00:00.000] 76561198111111111 "Player1" added Base.Aerosolbomb at 1000,2000,0.',
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'[16-04-26 12:00:01.000] 76561198222222222 "Player2" teleported to 1050,2050,0.',
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"[16-04-26 17:05:03.280][info] Got message:ChatMessage{chat=Local, author='AdminUser', text='hello'}.",
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'[16-04-26 17:14:35.128][INFO] Combat: "Player1" (1005,2005,0) hit "Player2" (1006,2005,0) weapon="Tire Iron (Worn)" damage=0.112317.',
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'[16-04-26 16:17:49.731][LOG] Safety: "Player1" (1000,2000,0) restore true.',
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'[16-04-26 12:00:02.000] [76561198333333333][ISEnterVehicle][Player2][1020,2020,0][Van_LectroMax].',
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]);
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$redactor = new ProjectZomboidRedactor();
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$redacted = $redactor->redact($input);
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$redactedAgain = $redactor->redact($redacted);
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$this->assertSame($redacted, $redactedAgain, 'Applying redact() twice to input with all PII categories must produce the same result as applying it once; no placeholder must re-match on the second pass.');
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}
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}
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