feat: observability

.fvmrc

@@ -1,3 +1,3 @@
 {
-    "flutter": "3.24.0"
+    "flutter": "3.38.9"
 }

.vscode/settings.json

@@ -1,6 +1,7 @@
 {
     "dart.flutterSdkPath": ".fvm/flutter_sdk",
     "dart.sdkPath": ".fvm/flutter_sdk/bin/cache/dart-sdk",
+    "dart.lineLength": 180,
     // Remove .fvm files from search
     "search.exclude": {
         "**/.fvm": true

analysis_options.yaml

@@ -22,7 +22,6 @@ linter:
   rules:
     - unawaited_futures
     - always_declare_return_types
-    - unsafe_html
     - use_full_hex_values_for_flutter_colors
     - prefer_final_in_for_each
     - prefer_final_fields

coverage/test_coverage_filter.dart

@@ -0,0 +1,127 @@
+import 'dart:io';
+
+void main() {
+  printMessage('Start filtering the lcov.info file');
+  final file = File('coverage/lcov.info');
+  if (!file.existsSync()) {
+    printMessage('"lcov.info" does not exist');
+    return;
+  }
+  const endOfRecord = 'end_of_record';
+  final sections = <LcovSection>[];
+  final lines = file.readAsLinesSync();
+  LcovSection? currentSection;
+  for (final line in lines) {
+    if (line.endsWith('.dart')) {
+      final filePath = line.replaceAll('SF:', '');
+      currentSection = LcovSection()
+        ..header = line
+        ..filePath = filePath;
+    } else if (line == endOfRecord) {
+      final currentSectionTmp = currentSection;
+      if (currentSectionTmp != null) {
+        currentSectionTmp.footer = line;
+        sections.add(currentSectionTmp);
+      }
+    } else {
+      currentSection?.body.add(line);
+    }
+  }
+  final filteredSections = getFilteredSections(sections);
+  final sb = StringBuffer();
+  for (final section in filteredSections) {
+    sb.write(section.toString());
+  }
+  file.writeAsStringSync(sb.toString());
+  printMessage('Filtered the lcov.info file');
+}
+
+class LcovSection {
+  String? filePath;
+  String? header;
+  final body = <String>[];
+  String? footer;
+
+  String? getBodyString() {
+    final filePathTmp = filePath;
+    if (filePathTmp == null) return null;
+    final file = File(filePathTmp);
+    final content = file.readAsLinesSync();
+    final sb = StringBuffer();
+    getFilteredBody(body, content).forEach((item) => sb..write(item)..write('\n'));
+    return sb.toString();
+  }
+
+  @override
+  String toString() {
+    return '$header\n${getBodyString()}$footer\n';
+  }
+}
+
+List<LcovSection> getFilteredSections(List<LcovSection> sections) {
+  return sections.where((section) {
+    final header = section.header;
+    if (header == null) return false;
+    if (header.endsWith('.g.dart')) {
+      return false;
+    } else if (header.endsWith('dummy_service.dart')) {
+      return false;
+    } else if (header.startsWith('SF:lib/vendor/')) {
+      return false;
+    } else if (header.startsWith('SF:lib/util/locale')) {
+      return false;
+    } else if (header.contains('widgetbook/')) {
+      return false;
+    }
+    return true;
+  }).toList();
+}
+
+List<String> getFilteredBody(List<String> body, List<String> lines) {
+  return body.where((line) {
+    if (line.startsWith('DA:')) {
+      final sections = line.split(',');
+      final lineNr = int.parse(sections[0].replaceAll('DA:', ''));
+      final callCount = int.parse(sections[1]);
+      if (callCount == 0) {
+        final fileLine = lines[lineNr - 1].trim();
+        if (excludedLines.contains(fileLine)) {
+          return false;
+        }
+        for (final line in excludedStartsWithLines) {
+          if (fileLine.trim().startsWith(line)) {
+            return false;
+          }
+        }
+      }
+    }
+    return true;
+  }).toList();
+}
+
+const excludedLines = [
+  'AppConstants._();',
+  'EnvUtils._();',
+  'FlutterTemplateLogger._();',
+  'FlutterTemplateThemeData._();',
+  'Keys._();',
+  'LicenseUtil._();',
+  'ThemeAssets._();',
+  'ThemeColors._();',
+  'ThemeDimens._();',
+  'ThemeDurations._();',
+  'ThemeFonts._();',
+  'ThemeTextStyles._();',
+];
+
+const excludedStartsWithLines = [
+  'IntColumn get ',
+  'TextColumn get ',
+  'BoolColumn get ',
+  'DateTimeColumn get ',
+];
+
+void printMessage(String message) {
+  // ignore: avoid_print
+  print(message);
+}

fastlane/Fastfile

@@ -51,10 +51,10 @@ lane :pr do
   checkCompilationAndAnalyzer
   Dir.chdir ".." do
     sh("fvm", "flutter", "test")
-    #sh("fvm", "flutter", "test", "--coverage")
-    #sh("dart", "--version")
-    #sh("dart", "coverage/filter_test_coverage.dart")
-    #sh("python3", "coverage/lcov_cobertura.py", "coverage/lcov.info", "--output", "coverage/coverage.xml")
+    sh("fvm", "flutter", "test", "--coverage")
+    sh("fvm", "dart", "--version")
+    sh("fvm", "dart", "coverage/test_coverage_filter.dart")
+    sh("cobertura", "convert", "-i", "coverage/lcov.info", "-o", "coverage/coverage.xml")
   end
   git_reset
 end

fastlane/analysis_options_check_compilation.yaml

@@ -7,6 +7,9 @@ analyzer:
     unused_import: ignore
     unused_element: ignore
     unused_local_variable: ignore
+    unused_element_parameter: ignore
+    deprecated_member_use: ignore
+    invalid_use_of_internal_member: ignore
 
 linter:
   rules:

fastlane/report.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<testsuites>
+  <testsuite name="fastlane.lanes">
+
+
+
+
+      <testcase classname="fastlane.lanes" name="0: Verifying fastlane version" time="0.000183">
+
+      </testcase>
+
+
+      <testcase classname="fastlane.lanes" name="1: is_ci" time="8.0e-05">
+
+      </testcase>
+
+
+      <testcase classname="fastlane.lanes" name="2: install_provisioning_profiles" time="0.105418">
+
+      </testcase>
+
+
+      <testcase classname="fastlane.lanes" name="3: is_ci" time="0.000176">
+
+      </testcase>
+
+
+      <testcase classname="fastlane.lanes" name="4: echo No\ build\ nr\ set,\ USING\ DEFAULT\ \(1\)" time="0.006442">
+
+      </testcase>
+
+
+      <testcase classname="fastlane.lanes" name="5: clean_build_artifacts" time="0.000139">
+
+      </testcase>
+
+
+      <testcase classname="fastlane.lanes" name="6: cobertura convert -i coverage/lcov.info -o coverage/coverage.xml" time="0.270353">
+
+      </testcase>
+
+  </testsuite>
+</testsuites>

ios/Flutter/AppFrameworkInfo.plist

@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>

ios/Flutter/Release.xcconfig

@@ -1,2 +1,2 @@
-#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.$(CONFIGURATION).xcconfig"
 #include "Generated.xcconfig"

ios/Flutter/ephemeral/flutter_lldb_helper.py

@@ -0,0 +1,32 @@
+#
+# Generated file, do not edit.
+#
+
+import lldb
+
+def handle_new_rx_page(frame: lldb.SBFrame, bp_loc, extra_args, intern_dict):
+    """Intercept NOTIFY_DEBUGGER_ABOUT_RX_PAGES and touch the pages."""
+    base = frame.register["x0"].GetValueAsAddress()
+    page_len = frame.register["x1"].GetValueAsUnsigned()
+
+    # Note: NOTIFY_DEBUGGER_ABOUT_RX_PAGES will check contents of the
+    # first page to see if handled it correctly. This makes diagnosing
+    # misconfiguration (e.g. missing breakpoint) easier.
+    data = bytearray(page_len)
+    data[0:8] = b'IHELPED!'
+
+    error = lldb.SBError()
+    frame.GetThread().GetProcess().WriteMemory(base, data, error)
+    if not error.Success():
+        print(f'Failed to write into {base}[+{page_len}]', error)
+        return
+
+def __lldb_init_module(debugger: lldb.SBDebugger, _):
+    target = debugger.GetDummyTarget()
+    # Caveat: must use BreakpointCreateByRegEx here and not
+    # BreakpointCreateByName. For some reasons callback function does not
+    # get carried over from dummy target for the later.
+    bp = target.BreakpointCreateByRegex("^NOTIFY_DEBUGGER_ABOUT_RX_PAGES$")
+    bp.SetScriptCallbackFunction('{}.handle_new_rx_page'.format(__name__))
+    bp.SetAutoContinue(True)
+    print("-- LLDB integration loaded --")

ios/Flutter/ephemeral/flutter_lldbinit

@@ -0,0 +1,5 @@
+#
+# Generated file, do not edit.
+#
+
+command script import --relative-to-command-file flutter_lldb_helper.py

ios/Podfile

@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-# platform :ios, '12.0'
+platform :ios, '13.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'