Test AlphanumComparator

Signed-off-by: Álvaro Brey Vilas <alvaro.brey@nextcloud.com>

src/test/java/com/nextcloud/client/utils/NaturalSortTest.kt

@@ -0,0 +1,104 @@
+/*
+ *  Nextcloud Android Library is available under MIT license
+ *
+ *  @author Álvaro Brey Vilas
+ *  Copyright (C) 2022 Álvaro Brey Vilas
+ *  Copyright (C) 2022 Nextcloud GmbH
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ *  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ *  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ */
+
+package com.nextcloud.client.utils
+
+import org.junit.Assert
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+import third_parties.daveKoeller.AlphanumComparator
+
+/**
+ * Adapted from https://github.com/nextcloud/server/blob/caff1023ea72bb2ea94130e18a2a6e2ccf819e5f/tests/lib/NaturalSortTest.php
+ */
+@RunWith(Parameterized::class)
+class NaturalSortTest {
+
+    @Parameterized.Parameter(0)
+    lateinit var title: String
+
+    @Parameterized.Parameter(1)
+    lateinit var input: Array<String>
+
+    @Parameterized.Parameter(2)
+    lateinit var expected: Array<String>
+
+    companion object {
+        @Parameterized.Parameters(name = "{0}")
+        @JvmStatic
+        fun data(): Iterable<Array<Any>> = listOf(
+            arrayOf(
+                "Different casing",
+                arrayOf("aaa", "bbb", "BBB", "AAA"),
+                arrayOf("aaa", "AAA", "bbb", "BBB")
+            ),
+            arrayOf(
+                "Numbers",
+                arrayOf(
+                    "124.txt", "abc1", "123.txt", "abc", "abc2", "def (2).txt", "ghi 10.txt", "abc12", "def.txt",
+                    "def (1).txt", "ghi 2.txt", "def (10).txt", "abc10", "def (12).txt", "z", "ghi.txt", "za",
+                    "ghi 1.txt", "ghi 12.txt", "zz", "15.txt", "15b.txt"
+                ),
+                arrayOf(
+                    "15.txt", "15b.txt", "123.txt", "124.txt", "abc", "abc1", "abc2", "abc10", "abc12", "def.txt",
+                    "def (1).txt", "def (2).txt", "def (10).txt", "def (12).txt", "ghi.txt", "ghi 1.txt", "ghi 2.txt",
+                    "ghi 10.txt", "ghi 12.txt", "z", "za", "zz"
+                )
+            ),
+            arrayOf(
+                "Chinese characters",
+                arrayOf(
+                    "十.txt", "一.txt", "二.txt", "十 2.txt", "三.txt", "四.txt", "abc.txt", "五.txt", "七.txt", "八.txt",
+                    "九.txt", "六.txt", "十一.txt", "波.txt", "破.txt", "莫.txt", "啊.txt", "123.txt"
+                ),
+                arrayOf(
+                    "123.txt", "abc.txt", "一.txt", "七.txt", "三.txt", "九.txt", "二.txt", "五.txt", "八.txt", "六.txt",
+                    "十.txt", "十 2.txt", "十一.txt", "啊.txt", "四.txt", "波.txt", "破.txt", "莫.txt"
+                )
+            ),
+            arrayOf(
+                "With umlauts",
+                arrayOf(
+                    "öh.txt", "Äh.txt", "oh.txt", "Üh 2.txt", "Üh.txt", "ah.txt", "Öh.txt", "uh.txt", "üh.txt",
+                    "äh.txt",
+                ),
+                arrayOf(
+                    "ah.txt", "äh.txt", "Äh.txt", "oh.txt", "öh.txt", "Öh.txt", "uh.txt", "üh.txt", "Üh.txt",
+                    "Üh 2.txt",
+                )
+            )
+        )
+    }
+
+    @Test
+    fun test() {
+        val sut = AlphanumComparator<String>()
+        val sorted = input.sortedWith(sut).toTypedArray()
+        Assert.assertArrayEquals("Wrong sort", expected, sorted)
+    }
+}