From fc74050c99bdf3d4cc7dd13ae45ef9ebb5aa64d9 Mon Sep 17 00:00:00 2001
From: MM20 <15646950+MM2-0@users.noreply.github.com>
Date: Sat, 15 Oct 2022 16:41:13 +0200
Subject: [PATCH] Increase unit test coverage to like 0.000001%

---
 ktx/build.gradle.kts                          |  2 +
 .../de/mm20/launcher2/ktx/StringKtTest.kt     | 52 +++++++++++++++++++
 settings.gradle.kts                           |  4 ++
 3 files changed, 58 insertions(+)
 create mode 100644 ktx/src/test/java/de/mm20/launcher2/ktx/StringKtTest.kt

diff --git a/ktx/build.gradle.kts b/ktx/build.gradle.kts
index 5a9a0a93..945545a5 100644
--- a/ktx/build.gradle.kts
+++ b/ktx/build.gradle.kts
@@ -43,4 +43,6 @@ dependencies {
     implementation(libs.bundles.androidx.lifecycle)
     implementation(libs.commons.text)
 
+    testImplementation(libs.bundles.tests)
+
 }
\ No newline at end of file
diff --git a/ktx/src/test/java/de/mm20/launcher2/ktx/StringKtTest.kt b/ktx/src/test/java/de/mm20/launcher2/ktx/StringKtTest.kt
new file mode 100644
index 00000000..27946792
--- /dev/null
+++ b/ktx/src/test/java/de/mm20/launcher2/ktx/StringKtTest.kt
@@ -0,0 +1,52 @@
+package de.mm20.launcher2.ktx
+
+import org.junit.Assert
+import org.junit.Test
+
+
+internal class StringKtTest {
+
+    @Test
+    fun stringNormalizer_diacritics() {
+        Assert.assertEquals("a b c d e f g h i j", "À b ç d Ę F Ğ h ï j".normalize())
+    }
+
+    @Test
+    fun stringNormalizer_ligatures() {
+        Assert.assertEquals("aeoessss", "ÆŒßẞ".normalize())
+    }
+
+    @Test
+    fun stringNormalizer_search() {
+        val pairs = listOf(
+            "文件" to "jian",
+            "文件" to "jiàn",
+            "文件" to "文",
+            "génération" to "Generation",
+            "Kvæsitso" to "kvaes",
+            "Übersetzer" to "uberset",
+        )
+        for ((str, q) in pairs) {
+            Assert.assertTrue(str.normalize().contains(q.normalize()))
+        }
+    }
+
+    /**
+     * Test that A.contains(B) -> A.normalize().contains(B.normalize())
+     */
+    @Test
+    fun stringNormalize_substring_implication() {
+        val pairs = listOf(
+            "文件" to "文",
+            "génération" to "énér",
+            "Kvæsitso" to "æ",
+            "Übersetzer" to "übe",
+        )
+        for ((str, q) in pairs) {
+            Assert.assertTrue(
+                if (str.contains(q)) str.normalize().contains(q.normalize())
+                else true
+            )
+        }
+    }
+}
\ No newline at end of file
diff --git a/settings.gradle.kts b/settings.gradle.kts
index c4eab86d..456b07a3 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -280,6 +280,10 @@ dependencyResolutionManagement {
 
             library("lottie", "com.airbnb.android", "lottie-compose")
                 .version("5.2.0")
+
+            version("junit", "4.13")
+            library("junit", "junit", "junit").versionRef("junit")
+            bundle("tests", listOf("junit"))
         }
     }
 }