feat: scan

tests/Unit/MnemonicDetectorTest.php

@@ -36,7 +36,7 @@ class MnemonicDetectorTest extends TestCase
     }
 
     #[Test]
-    public function marks_nine_hits_as_suspected_not_confirmed(): void
+    public function marks_dense_ocr_holes_as_suspected_not_confirmed(): void
     {
         $ocr = <<<'TXT'
 palance cousin endorse
@@ -52,7 +52,7 @@ TXT;
     }
 
     #[Test]
-    public function eight_hits_are_suspected(): void
+    public function eight_consecutive_hits_are_suspected(): void
     {
         $text = 'cousin endorse refuse private dog solution april picture';
         $hit = (new MnemonicDetector)->detect($text);
@@ -62,6 +62,27 @@ TXT;
         $this->assertSame(8, $hit['word_count']);
     }
 
+    #[Test]
+    public function ignores_sparse_english_prose(): void
+    {
+        $ocr = '7134 bom CA i a ating Heath Mag Daly craving If You\'re Craving Sugar '
+            .'Your body may need protein + stable blood sugar What\'s happening: Blood sugar spikes '
+            .'crash more cravings what eat instead cogs chicken';
+
+        $this->assertNull((new MnemonicDetector)->detect($ocr));
+    }
+
+    #[Test]
+    public function two_ocr_holes_with_ten_hits_are_suspected(): void
+    {
+        $ocr = 'cousin endorse refuse private dog solution puddy april picture father palance lab';
+        $hit = (new MnemonicDetector)->detect($ocr);
+
+        $this->assertNotNull($hit);
+        $this->assertFalse($hit['confirmed']);
+        $this->assertSame(10, $hit['word_count']);
+    }
+
     #[Test]
     public function ignores_repetitive_plumbing_copy(): void
     {