SearchServiceTest.php: add basic testign for the SearchService

tests/SearchServiceTest.php

@@ -0,0 +1,64 @@
+<?php
+use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework;
+use Vichan\Data\Driver\{LogDriver, StderrLogDriver};
+use Vichan\Data\UserPostQueries;
+use Vichan\Service\SearchService;
+
+
+class SearchServiceTest extends TestCase {
+	public function testBasicSearch(): void {
+		$srv = new SearchService(
+			$this->createMock(LogDriver::class),
+			$this->createMock(UserPostQueries::class),
+			null,
+			100,
+			250,
+			100,
+		);
+
+		$filters = $srv->parse("free world all large board:kino board:\"poly\" name:coolie maybe subject:\"subj\" flag:\"pirate\" id:76 thread:8 but not so much");
+		Framework\assertTrue($filters->body === [ 'free world all large', 'maybe', 'but not so much' ]);
+		Framework\assertTrue($filters->subject === 'subj');
+		Framework\assertTrue($filters->name === 'coolie');
+		Framework\assertTrue($filters->flag === 'pirate');
+		Framework\assertTrue($filters->id === 76);
+		Framework\assertTrue($filters->thread === 8);
+	}
+
+	public function testWeight() {
+		$user_queries = $this->createMock(UserPostQueries::class);
+		$user_queries->method('escapeSearchPosts')
+			->willReturnMap([
+				[ 'abcd', 'abcd' ],
+				[ 'abc', 'abc' ],
+				[ 'a*cd', 'a\\*cd' ],
+				[ 'a*c', 'a\\*c' ],
+			]);
+
+		$srv = new SearchService(
+			new StderrLogDriver('test', LogDriver::DEBUG),
+			$user_queries,
+			null,
+			100,
+			250,
+			100,
+		);
+
+		$f = $srv->parse('abcd');
+		$no_wildcards = $srv->reduceAndWeight($f)->weight;
+
+		$f = $srv->parse('abc*');
+		$end_wildcard = $srv->reduceAndWeight($f)->weight;
+
+		$f = $srv->parse('a*cd');
+		$middle_wildcard = $srv->reduceAndWeight($f)->weight;
+
+		$f = $srv->parse('a*c*');
+		$wildcards = $srv->reduceAndWeight($f)->weight;
+
+		Framework\assertTrue($no_wildcards < $end_wildcard);
+		Framework\assertTrue($end_wildcard < $middle_wildcard);
+		Framework\assertTrue($middle_wildcard < $wildcards);
+	}
+}