From 29cb81ad64b0402e156114c4b3130ea0ce303bb1 Mon Sep 17 00:00:00 2001
From: Him188 <Him188@mamoe.net>
Date: Sun, 25 Apr 2021 13:32:50 +0800
Subject: [PATCH] Test: ExceptionCollectorTest
---
.../mirai/utils/ExceptionCollectorTest.kt | 89 +++++++++++++++++++
1 file changed, 89 insertions(+)
create mode 100644 mirai-core-utils/src/commonTest/kotlin/net/mamoe/mirai/utils/ExceptionCollectorTest.kt
diff --git a/mirai-core-utils/src/commonTest/kotlin/net/mamoe/mirai/utils/ExceptionCollectorTest.kt b/mirai-core-utils/src/commonTest/kotlin/net/mamoe/mirai/utils/ExceptionCollectorTest.kt
new file mode 100644
index 000000000..93cf09245
--- /dev/null
+++ b/mirai-core-utils/src/commonTest/kotlin/net/mamoe/mirai/utils/ExceptionCollectorTest.kt
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2019-2021 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+package net.mamoe.mirai.utils
+
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertSame
+import kotlin.test.assertTrue
+
+internal class ExceptionCollectorTest {
+
+ @Test
+ fun `can collect`() {
+ val collector = ExceptionCollector()
+
+ collector.collect(IllegalArgumentException())
+
+ assertTrue { collector.getLast() is IllegalArgumentException }
+ assertEquals(1, collector.count())
+ }
+
+ @Test
+ fun `can collect suppressed`() {
+ val collector = ExceptionCollector()
+
+ collector.collect(IllegalArgumentException())
+ collector.collect(IllegalStateException())
+
+ assertTrue { collector.getLast() is IllegalStateException }
+ assertTrue { collector.getLast()!!.suppressed.single() is IllegalArgumentException }
+ assertEquals(2, collector.count())
+ }
+
+ @Test
+ fun `can collect suppressed nested`() {
+ val collector = ExceptionCollector()
+
+ collector.collect(StackOverflowError())
+ collector.collect(IllegalArgumentException())
+ collector.collect(IllegalStateException())
+
+ assertTrue { collector.getLast() is IllegalStateException }
+ assertTrue { collector.getLast()!!.suppressed.single() is IllegalArgumentException }
+ assertTrue { collector.getLast()!!.suppressed.single()!!.suppressed.single() is StackOverflowError }
+ assertEquals(3, collector.count())
+ }
+
+ @Test
+ fun `ignore same exception`() {
+ val collector = ExceptionCollector()
+
+ val exception = Exception()
+
+ collector.collect(exception)
+ collector.collect(exception)
+ collector.collect(exception)
+
+ assertSame(exception, collector.last())
+ assertEquals(0, collector.getLast()!!.suppressed.size)
+ assertEquals(1, collector.count())
+ }
+
+ @Test
+ fun `ignore exception with same stacktrace and preserve first occurrence`() {
+ val exceptions = mutableListOf<Exception>()
+
+ repeat(5) { id ->
+ exceptions.add(Exception("#$id"))
+ }
+
+
+ val collector = ExceptionCollector()
+ exceptions.forEach { exception ->
+ collector.collect(exception)
+ }
+
+ assertEquals(0, collector.getLast()!!.suppressed.size)
+ assertEquals(1, collector.count())
+ assertSame(exceptions.first(), collector.getLast())
+ assertEquals("#0", collector.getLast()!!.message)
+ }
+}
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