Added unit test for AKMAlias.matches

Added an unit test for the `AKMAlias.matches` method before refactoring it.

Signed-off-by: Elv1zz <[email protected]>

library/src/test/java/com/owncloud/android/lib/common/network/AdvancedX509KeyManagerTests.kt

@@ -0,0 +1,44 @@
+package com.owncloud.android.lib.common.network
+
+import com.owncloud.android.lib.common.network.AdvancedX509KeyManager.AKMAlias
+import org.junit.Assert
+import org.junit.Test
+
+class AdvancedX509KeyManagerTests {
+
+    @Test
+    fun testAKMAlias_matches() {
+        val akmAlias1 = AKMAlias(AKMAlias.Type.KEYCHAIN, "alias", "hostname", 123)
+        val akmAlias2 = AKMAlias(AKMAlias.Type.KEYCHAIN, "alias", "hostname", 123)
+
+        Assert.assertTrue(akmAlias1.matches(akmAlias1))
+        Assert.assertTrue(akmAlias1.matches(akmAlias2))
+
+        val akmAlias3 = AKMAlias(AKMAlias.Type.KEYSTORE, "alias", "hostname", 123)
+        Assert.assertFalse(akmAlias1.matches(akmAlias3))
+
+        val akmAlias4 = AKMAlias(AKMAlias.Type.KEYCHAIN, "alias1", "hostname", 123)
+        Assert.assertFalse(akmAlias1.matches(akmAlias4))
+
+        val akmAlias5 = AKMAlias(AKMAlias.Type.KEYCHAIN, "alias", "hostname1", 123)
+        Assert.assertFalse(akmAlias1.matches(akmAlias5))
+
+        val akmAlias6 = AKMAlias(AKMAlias.Type.KEYCHAIN, "alias", "hostname", 1234)
+        Assert.assertFalse(akmAlias1.matches(akmAlias6))
+
+        // parameters being null are considered "do-not-care"
+        val akmAlias7 = AKMAlias(null, "alias", "hostname", 123)
+        Assert.assertTrue(akmAlias1.matches(akmAlias7))
+
+        val akmAlias8 = AKMAlias(AKMAlias.Type.KEYCHAIN, null, "hostname", 123)
+        Assert.assertTrue(akmAlias1.matches(akmAlias8))
+
+        val akmAlias9 = AKMAlias(AKMAlias.Type.KEYCHAIN, "alias", null, 123)
+        Assert.assertTrue(akmAlias1.matches(akmAlias9))
+
+        val akmAlias10 = AKMAlias(null, null, null, 123)
+        Assert.assertTrue(akmAlias1.matches(akmAlias10))
+
+    }
+
+}