From 290bd07a92d7103c67f606c1423785069fc9b776 Mon Sep 17 00:00:00 2001
From: Ivo van Dongen <info@ivovandongen.nl>
Date: Wed, 31 Aug 2016 16:43:33 +0200
Subject: [core] OnlineFileSource - rate limit

---
 test/util/http_timeout.cpp | 54 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 test/util/http_timeout.cpp

(limited to 'test/util')

diff --git a/test/util/http_timeout.cpp b/test/util/http_timeout.cpp
new file mode 100644
index 0000000000..365c40523f
--- /dev/null
+++ b/test/util/http_timeout.cpp
@@ -0,0 +1,54 @@
+#include <mbgl/test/util.hpp>
+
+#include <mbgl/platform/log.hpp>
+#include <mbgl/util/http_timeout.hpp>
+#include <regex>
+#include <iostream>
+
+using namespace mbgl;
+using namespace mbgl::http;
+
+TEST(HttpRetry, OtherError) {
+    //Non-retryable
+    ASSERT_EQ(Duration::max(), errorRetryTimeout(Response::Error::Reason::Other, 1));
+}
+
+TEST(HttpRetry, ServerError) {
+    // 1-3 failures -> 1 sec
+    ASSERT_EQ(Seconds(1), errorRetryTimeout(Response::Error::Reason::Server, 1));
+    ASSERT_EQ(Seconds(1), errorRetryTimeout(Response::Error::Reason::Server, 3));
+    
+    // After 3, exponential backoff
+    ASSERT_EQ(Seconds(2), errorRetryTimeout(Response::Error::Reason::Server, 4));
+    ASSERT_EQ(Seconds(1u << 31), errorRetryTimeout(Response::Error::Reason::Server, 50));
+}
+
+TEST(HttpRetry, ConnectionError) {
+    // Exponential backoff
+    ASSERT_EQ(Seconds(1), errorRetryTimeout(Response::Error::Reason::Server, 1));
+    ASSERT_EQ(Seconds(1u << 31), errorRetryTimeout(Response::Error::Reason::Connection, 50));
+}
+
+TEST(HttpRetry, RateLimit) {
+    // Pre-set value from header
+    ASSERT_EQ(Seconds(1), errorRetryTimeout(Response::Error::Reason::Server, 1, { util::now() + Seconds(1) }));
+    
+    //Default
+    ASSERT_EQ(Seconds(5), errorRetryTimeout(Response::Error::Reason::RateLimit, 1, {}));
+}
+
+TEST(HttpRetry, ExpiredInitial) {
+    // 1 sec timeout
+    ASSERT_EQ(Seconds(1), expirationTimeout({ util::now() + Seconds(1) }, 0));
+}
+
+TEST(HttpRetry, ExpiredSubsequent) {
+    // exponential backoff
+    ASSERT_EQ(Seconds(1), expirationTimeout({}, 1));
+    ASSERT_EQ(Seconds(1u << 31), expirationTimeout({}, 50));
+}
+
+TEST(HttpRetry, ExpiredNotSet) {
+    // No expires header set
+    ASSERT_EQ(Duration::max(), expirationTimeout({}, 0));
+}
-- 
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