Added slash command handling

app/shared/src/commonTest/kotlin/iris/util/FuzzyTest.kt

@@ -0,0 +1,42 @@
+package iris.util
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
+
+class FuzzyTest {
+    @Test
+    fun emptyQueryMatchesEverything() {
+        assertEquals(0, fuzzyScore("", "new"))
+        assertEquals(0, fuzzyScore("", ""))
+    }
+
+    @Test
+    fun prefixMatchRanksBest() {
+        assertEquals(1, fuzzyScore("mod", "model"))
+        assertEquals(1, fuzzyScore("NEW", "new"))
+    }
+
+    @Test
+    fun subsequenceMatchesInOrder() {
+        assertTrue(fuzzyScore("nw", "new") >= 0)
+        assertTrue(fuzzyScore("mdl", "model") >= 0)
+    }
+
+    @Test
+    fun outOfOrderDoesNotMatch() {
+        assertEquals(-1, fuzzyScore("wn", "new"))
+        assertEquals(-1, fuzzyScore("xyz", "model"))
+    }
+
+    @Test
+    fun consecutiveRunBeatsGapped() {
+        // "sta" is a consecutive run in "status"; "stu" is gapped in "status".
+        assertTrue(fuzzyScore("sta", "status") < fuzzyScore("stu", "status"))
+    }
+
+    @Test
+    fun prefixBeatsSubsequence() {
+        assertTrue(fuzzyScore("mod", "model") < fuzzyScore("mdl", "model"))
+    }
+}