Updated answer placeholders for exercises in 'Preventing Failure'

Author: svtk

Preventing Failure/Logging/Exercise 2/task-info.yaml

@@ -3,8 +3,24 @@ files:
 - name: src/Task.kt
   visible: true
   placeholders:
-  - offset: 1086
-    length: 829
-    placeholder_text: TODO()
+  - offset: 1272
+    length: 18
+    placeholder_text: println("Database Problem $e")
+  - offset: 1436
+    length: 70
+    placeholder_text: |-
+      catch (e: NetworkFail) {
+            println("Network Problem $e")
+            return Failed
+          } catch (e: DBWriteFail) {
+            println("Database Write Failed $e")
+            return Failed
+          }
+  - offset: 1603
+    length: 18
+    placeholder_text: println("Network Close Failed $e")
+  - offset: 1856
+    length: 18
+    placeholder_text: println("Database Problem $e")
 - name: test/Tests.kt
   visible: false

Preventing Failure/Logging/Exercise 3/src/Task.kt

@@ -8,7 +8,7 @@ enum class Level {
   Trace, Debug, Info, Warn, Error
 }
 
-var debugLevel = Error
+var debugLevel: Level = Error
 
 class Logger(fileName: String) {
   val logFile = DataFile(fileName).reset()
@@ -21,6 +21,8 @@ class Logger(fileName: String) {
   fun info(msg: String) = log(Info, msg)
   fun warn(msg: String) = log(Warn, msg)
   fun error(msg: String) = log(Error, msg)
+
+  // Added for basic testing:
   fun report(msg: String) {
     trace(msg)
     debug(msg)

Preventing Failure/Logging/Exercise 3/task-info.yaml

@@ -3,38 +3,31 @@ files:
 - name: src/Task.kt
   visible: true
   placeholders:
-  - offset: 107
+  - offset: 161
     length: 31
-    placeholder_text: // import loggingExercise3.Level.*
-  - offset: 140
-    length: 679
-    placeholder_text: // TODO
-  - offset: 834
-    length: 553
+    placeholder_text: '// TODO: add values'
+  - offset: 305
+    length: 154
     placeholder_text: |-
-      /*
-        Level.values().toList().forEach {
-          debugLevel = it
-          logger.report("debugLevel($debugLevel)")
-        }
-        logger.logFile.readText().trimIndent() eq
-        """
-        Trace: debugLevel(Trace)
-        Debug: debugLevel(Trace)
-        Info: debugLevel(Trace)
-        Warn: debugLevel(Trace)
-        Error: debugLevel(Trace)
-        Debug: debugLevel(Debug)
-        Info: debugLevel(Debug)
-        Warn: debugLevel(Debug)
-        Error: debugLevel(Debug)
-        Info: debugLevel(Info)
-        Warn: debugLevel(Info)
-        Error: debugLevel(Info)
-        Warn: debugLevel(Warn)
-        Error: debugLevel(Warn)
-        Error: debugLevel(Error)
-        """
-      */
+      private fun log(type: String, msg: String) =
+          logFile.appendText("$type: $msg\n")
+  - offset: 487
+    length: 15
+    placeholder_text: log("Trace", msg)
+  - offset: 530
+    length: 15
+    placeholder_text: log("Debug", msg)
+  - offset: 572
+    length: 14
+    placeholder_text: log("Info", msg)
+  - offset: 613
+    length: 14
+    placeholder_text: log("Warn", msg)
+  - offset: 655
+    length: 15
+    placeholder_text: log("Error", msg)
+  - offset: 220
+    length: 5
+    placeholder_text: TODO()
 - name: test/Tests.kt
   visible: false