feat: HTTP Crumb level based on response status

Set the HTTP crumb level based on the response status code. 4xx is
warning and 5xx is error.

Fixes GH-4776

CHANGELOG.md

@@ -23,6 +23,7 @@
 - Add protocol for custom screenName for UIViewControllers (#4646)
 - Allow hybrid SDK to set replay options tags information (#4710)
 - Add threshold to always log fatal logs (#4707)
+- HTTP Breadcrumb level based on response status code (#4779) 4xx is warning, 5xx is error.
 
 ### Internal
 

Sources/Sentry/SentryNetworkTracker.m

@@ -492,7 +492,10 @@ - (void)addBreadcrumbForSessionTask:(NSURLSessionTask *)sessionTask
     NSDate *requestStart
         = objc_getAssociatedObject(sessionTask, &SENTRY_NETWORK_REQUEST_START_DATE);
 
-    SentryLevel breadcrumbLevel = sessionTask.error != nil ? kSentryLevelError : kSentryLevelInfo;
+    NSInteger responseStatusCode = [self urlResponseStatusCode:sessionTask.response];
+    SentryLevel breadcrumbLevel = [self getBreadcrumbLevel:sessionTask
+                                        responseStatusCode:responseStatusCode];
+
     SentryBreadcrumb *breadcrumb = [[SentryBreadcrumb alloc] initWithLevel:breadcrumbLevel
                                                                   category:@"http"];
 
@@ -507,7 +510,7 @@ - (void)addBreadcrumbForSessionTask:(NSURLSessionTask *)sessionTask
         [NSNumber numberWithLongLong:sessionTask.countOfBytesSent];
     breadcrumbData[@"response_body_size"] =
         [NSNumber numberWithLongLong:sessionTask.countOfBytesReceived];
-    NSInteger responseStatusCode = [self urlResponseStatusCode:sessionTask.response];
+
     if (responseStatusCode != -1) {
         NSNumber *statusCode = [NSNumber numberWithInteger:responseStatusCode];
         breadcrumbData[@"status_code"] = statusCode;
@@ -601,4 +604,21 @@ - (SentrySpanStatus)spanStatusForHttpResponseStatusCode:(NSInteger)statusCode
     return kSentrySpanStatusUndefined;
 }
 
+- (SentryLevel)getBreadcrumbLevel:(NSURLSessionTask *)sessionTask
+               responseStatusCode:(NSInteger)responseStatusCode
+{
+    SentryLevel breadcrumbLevel = kSentryLevelInfo;
+    if (responseStatusCode >= 400 && responseStatusCode < 500) {
+        breadcrumbLevel = kSentryLevelWarning;
+    } else if (responseStatusCode >= 500 && responseStatusCode < 600) {
+        breadcrumbLevel = kSentryLevelError;
+    }
+
+    if (sessionTask.error != nil) {
+        breadcrumbLevel = kSentryLevelError;
+    }
+
+    return breadcrumbLevel;
+}
+
 @end

Tests/SentryTests/Integrations/Performance/Network/SentryNetworkTrackerTests.swift

@@ -578,6 +578,147 @@ class SentryNetworkTrackerTests: XCTestCase {
         let breadcrumbs = Dynamic(fixture.scope).breadcrumbArray as [Breadcrumb]?
         XCTAssertEqual(breadcrumbs?.count, 0)
     }
+
+    func test_Breadcrumb_HTTP400_HasLevelWarning() throws {
+        // Arrange
+        fixture.options.enableAutoPerformanceTracing = false
+
+        let task = createDataTask()
+        task.setResponse(createResponse(code: 400))
+        let _ = spanForTask(task: task)!
+
+        //Act
+        try setTaskState(task, state: .completed)
+
+        //Assert
+        let breadcrumbsDynamic = Dynamic(fixture.scope).breadcrumbArray as [Breadcrumb]?
+        let breadcrumbs = try XCTUnwrap(breadcrumbsDynamic)
+        XCTAssertEqual(breadcrumbs.count, 1)
+        let breadcrumb = try XCTUnwrap(breadcrumbs.first)
+
+        XCTAssertEqual(breadcrumb.category, "http")
+        XCTAssertEqual(breadcrumb.level, .warning)
+        XCTAssertEqual(breadcrumb.type, "http")
+
+        let data = try XCTUnwrap(breadcrumb.data)
+        XCTAssertEqual(SentryNetworkTrackerTests.testUrl, data["url"] as? String)
+        XCTAssertEqual("GET", data["method"] as? String)
+        XCTAssertEqual(400, data["status_code"] as? Int)
+        XCTAssertEqual("bad request", data["reason"] as? String)
+    }
+
+    func test_Breadcrumb_HTTP499_HasLevelWarning() throws {
+        // Arrange
+        fixture.options.enableAutoPerformanceTracing = false
+
+        let task = createDataTask()
+        task.setResponse(createResponse(code: 499))
+        let _ = spanForTask(task: task)!
+
+        //Act
+        try setTaskState(task, state: .completed)
+
+        //Assert
+        let breadcrumbsDynamic = Dynamic(fixture.scope).breadcrumbArray as [Breadcrumb]?
+        let breadcrumbs = try XCTUnwrap(breadcrumbsDynamic)
+        XCTAssertEqual(breadcrumbs.count, 1)
+        let breadcrumb = try XCTUnwrap(breadcrumbs.first)
+
+        XCTAssertEqual(breadcrumb.category, "http")
+        XCTAssertEqual(breadcrumb.level, .warning)
+        XCTAssertEqual(breadcrumb.type, "http")
+
+        let data = try XCTUnwrap(breadcrumb.data)
+        XCTAssertEqual(SentryNetworkTrackerTests.testUrl, data["url"] as? String)
+        XCTAssertEqual("GET", data["method"] as? String)
+        XCTAssertEqual(499, data["status_code"] as? Int)
+        XCTAssertEqual("client error", data["reason"] as? String)
+    }
+
+    func testBreadcrumb_SessionTaskError_HTTP400_HasLevelError() throws {
+        // Arrange
+        fixture.options.enableAutoPerformanceTracing = false
+
+        let task = createDataTask()
+        task.setResponse(createResponse(code: 400))
+        task.setError(NSError(domain: "Some Error", code: 1, userInfo: nil))
+        let _ = spanForTask(task: task)!
+
+        //Act
+        try setTaskState(task, state: .completed)
+
+        //Assert
+        let breadcrumbsDynamic = Dynamic(fixture.scope).breadcrumbArray as [Breadcrumb]?
+        let breadcrumbs = try XCTUnwrap(breadcrumbsDynamic)
+        XCTAssertEqual(breadcrumbs.count, 1)
+        let breadcrumb = try XCTUnwrap(breadcrumbs.first)
+
+        XCTAssertEqual(breadcrumb.category, "http")
+        XCTAssertEqual(breadcrumb.level, .error)
+        XCTAssertEqual(breadcrumb.type, "http")
+
+        let data = try XCTUnwrap(breadcrumb.data)
+        XCTAssertEqual(SentryNetworkTrackerTests.testUrl, data["url"] as? String)
+        XCTAssertEqual("GET", data["method"] as? String)
+        XCTAssertEqual(400, data["status_code"] as? Int)
+        XCTAssertEqual("bad request", data["reason"] as? String)
+    }
+
+    func test_Breadcrumb_HTTP500_HasLevelError() throws {
+        // Arrange
+        fixture.options.enableAutoPerformanceTracing = false
+
+        let task = createDataTask()
+        task.setResponse(createResponse(code: 500))
+        let _ = spanForTask(task: task)!
+
+        //Act
+        try setTaskState(task, state: .completed)
+
+        //Assert
+        let breadcrumbsDynamic = Dynamic(fixture.scope).breadcrumbArray as [Breadcrumb]?
+        let breadcrumbs = try XCTUnwrap(breadcrumbsDynamic)
+        XCTAssertEqual(breadcrumbs.count, 1)
+        let breadcrumb = try XCTUnwrap(breadcrumbs.first)
+
+        XCTAssertEqual(breadcrumb.category, "http")
+        XCTAssertEqual(breadcrumb.level, .error)
+        XCTAssertEqual(breadcrumb.type, "http")
+
+        let data = try XCTUnwrap(breadcrumb.data)
+        XCTAssertEqual(SentryNetworkTrackerTests.testUrl, data["url"] as? String)
+        XCTAssertEqual("GET", data["method"] as? String)
+        XCTAssertEqual(500, data["status_code"] as? Int)
+        XCTAssertEqual("internal server error", data["reason"] as? String)
+    }
+
+    func test_Breadcrumb_HTTP599_HasLevelError() throws {
+        // Arrange
+        fixture.options.enableAutoPerformanceTracing = false
+
+        let task = createDataTask()
+        task.setResponse(createResponse(code: 599))
+        let _ = spanForTask(task: task)!
+
+        //Act
+        try setTaskState(task, state: .completed)
+
+        //Assert
+        let breadcrumbsDynamic = Dynamic(fixture.scope).breadcrumbArray as [Breadcrumb]?
+        let breadcrumbs = try XCTUnwrap(breadcrumbsDynamic)
+        XCTAssertEqual(breadcrumbs.count, 1)
+        let breadcrumb = try XCTUnwrap(breadcrumbs.first)
+
+        XCTAssertEqual(breadcrumb.category, "http")
+        XCTAssertEqual(breadcrumb.level, .error)
+        XCTAssertEqual(breadcrumb.type, "http")
+
+        let data = try XCTUnwrap(breadcrumb.data)
+        XCTAssertEqual(SentryNetworkTrackerTests.testUrl, data["url"] as? String)
+        XCTAssertEqual("GET", data["method"] as? String)
+        XCTAssertEqual(599, data["status_code"] as? Int)
+        XCTAssertEqual("server error", data["reason"] as? String)
+    }
 
     func testResumeAfterCompleted_OnlyOneSpanCreated() throws {
         let task = createDataTask()