VersionId test

app/src/main/java/org/koitharu/kotatsu/core/github/VersionId.kt

@@ -33,7 +33,7 @@ data class VersionId(
 	companion object {
 
 		private fun variantWeight(variantType: String) =
-			when (variantType.toLowerCase(Locale.ROOT)) {
+			when (variantType.lowercase(Locale.ROOT)) {
 				"a", "alpha" -> 1
 				"b", "beta" -> 2
 				"rc" -> 4

app/src/test/java/org/koitharu/kotatsu/core/github/VersionIdTest.kt

@@ -0,0 +1,40 @@
+package org.koitharu.kotatsu.core.github
+
+import com.google.common.truth.Truth
+import org.junit.Test
+
+class VersionIdTest {
+
+	@Test
+	fun testVersionIdParse() {
+		val version = VersionId.parse("2.0")
+		Truth.assertThat(version.major).isEqualTo(2)
+		Truth.assertThat(version.minor).isEqualTo(0)
+		Truth.assertThat(version.build).isEqualTo(0)
+		Truth.assertThat(version.variantType).isEmpty()
+		Truth.assertThat(version.variantNumber).isEqualTo(0)
+	}
+
+	@Test
+	fun testVersionIdVariantParse() {
+		val version = VersionId.parse("2.0.1-b1")
+		Truth.assertThat(version.major).isEqualTo(2)
+		Truth.assertThat(version.minor).isEqualTo(0)
+		Truth.assertThat(version.build).isEqualTo(1)
+		Truth.assertThat(version.variantType).isEqualTo("b")
+		Truth.assertThat(version.variantNumber).isEqualTo(1)
+	}
+
+	@Test
+	fun testVersionIdCompare() {
+		val version1 = VersionId.parse("1.99.99")
+		val version2 = VersionId.parse("2.0.0")
+		Truth.assertThat(version1 < version2).isTrue()
+	}
+	@Test
+	fun testVersionIdVariantCompare() {
+		val version1 = VersionId.parse("2.0.1-a2")
+		val version2 = VersionId.parse("2.0.1-b1")
+		Truth.assertThat(version1 < version2).isTrue()
+	}
+}