Add SnodeTest

app/src/test/java/org/session/libsignal/utilities/SnodeTest.kt

@@ -0,0 +1,53 @@
+package org.session.libsignal.utilities
+
+import org.hamcrest.MatcherAssert.assertThat
+import org.hamcrest.core.IsEqual.equalTo
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+
+@RunWith(Parameterized::class)
+class SnodeVersionTest(
+    private val v1: String,
+    private val v2: String,
+    private val expectedEqual: Boolean,
+    private val expectedLessThan: Boolean
+) {
+    companion object {
+        @JvmStatic
+        @Parameterized.Parameters(name = "{index}: testVersion({0},{1}) = (equalTo: {2}, lessThan: {3})")
+        fun data(): Collection<Array<Any>> = listOf(
+            arrayOf("1", "1", true, false),
+            arrayOf("1", "2", false, true),
+            arrayOf("2", "1", false, false),
+            arrayOf("1.0", "1", true, false),
+            arrayOf("1.0", "1.0.0", true, false),
+            arrayOf("1.0", "1.0.0.0", true, false),
+            arrayOf("1.0", "1.0.0.0.0.0", true, false),
+            arrayOf("2.0", "1.2", false, false),
+            arrayOf("1.0.0.0", "1.0.0.1", false, true),
+            // Snode.Version only considers the first 4 integers, so these are equal
+            arrayOf("1.0.0.0", "1.0.0.0.1", true, false),
+            arrayOf("1.0.0.1", "1.0.0.1", true, false),
+            arrayOf("12345.12345.12345.12345", "12345.12345.12345.12345", true, false),
+            arrayOf("11111.11111.11111.11111", "11111.11111.11111.99999", false, true),
+            arrayOf("11111.11111.11111.11111", "11111.11111.99999.99999", false, true),
+            arrayOf("11111.11111.11111.11111", "11111.99999.99999.99999", false, true),
+            arrayOf("11111.11111.11111.11111", "99999.99999.99999.99999", false, true),
+        )
+    }
+
+    @Test
+    fun testVersionEqual() {
+        val version1 = Snode.Version(v1)
+        val version2 = Snode.Version(v2)
+        assertThat(version1 == version2, equalTo(expectedEqual))
+    }
+
+    @Test
+    fun testVersionOnePartLessThan() {
+        val version1 = Snode.Version(v1)
+        val version2 = Snode.Version(v2)
+        assertThat(version1 < version2, equalTo(expectedLessThan))
+    }
+}