init gradle

app/src/test/java/com/clean/scanner/util/UrlRiskScorerTest.kt

@@ -0,0 +1,76 @@
+package com.clean.scanner.util
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class UrlRiskScorerTest {
+
+    @Test
+    fun `https domain has low risk`() {
+        val result = UrlRiskScorer.score("https://example.com")
+        assertEquals(0, result.score)
+    }
+
+    @Test
+    fun `http adds two points`() {
+        val result = UrlRiskScorer.score("http://example.com")
+        assertEquals(2, result.score)
+    }
+
+    @Test
+    fun `ip host adds two points`() {
+        val result = UrlRiskScorer.score("https://192.168.1.1/path")
+        assertEquals(2, result.score)
+    }
+
+    @Test
+    fun `punycode host adds two points`() {
+        val result = UrlRiskScorer.score("https://xn--pple-43d.com")
+        assertEquals(2, result.score)
+    }
+
+    @Test
+    fun `long host adds one point`() {
+        val result = UrlRiskScorer.score("https://averyveryveryveryveryveryveryverylonghostname.com")
+        assertTrue(result.score >= 1)
+    }
+
+    @Test
+    fun `long query adds one point`() {
+        val query = "a".repeat(121)
+        val result = UrlRiskScorer.score("https://example.com/?q=$query")
+        assertEquals(1, result.score)
+    }
+
+    @Test
+    fun `many percent encodings adds one point`() {
+        val encoded = (1..11).joinToString("") { "%20" }
+        val result = UrlRiskScorer.score("https://example.com/$encoded")
+        assertEquals(1, result.score)
+    }
+
+    @Test
+    fun `userinfo adds two points`() {
+        val result = UrlRiskScorer.score("https://user:pass@example.com")
+        assertEquals(2, result.score)
+    }
+
+    @Test
+    fun `combined risk can exceed threshold`() {
+        val result = UrlRiskScorer.score("http://user:pass@192.168.0.1")
+        assertTrue(result.score >= 6)
+    }
+
+    @Test
+    fun `invalid url returns zero`() {
+        val result = UrlRiskScorer.score("not a url")
+        assertEquals(0, result.score)
+    }
+
+    @Test
+    fun `reasons list is populated for risky urls`() {
+        val result = UrlRiskScorer.score("http://xn--pple-43d.com")
+        assertTrue(result.reasons.isNotEmpty())
+    }
+}