[#32] Improved output capturing and added tests

ileasile · nikitinas · commit 786775618de2 · 2020-01-20T14:48:36.000+03:00
diff --git a/src/main/kotlin/org/jetbrains/kotlin/jupyter/protocol.kt b/src/main/kotlin/org/jetbrains/kotlin/jupyter/protocol.kt
@@ -349,3 +349,5 @@ fun JupyterConnection.evalWithIO(maybeConfig: OutputConfig?, body: () -> EvalRes
         System.setOut(out)
     }
 }
+
+fun String.nullWhenEmpty(): String? = if (this.isBlank()) null else this

Original file line number	Diff line number	Diff line change
`@@ -349,3 +349,5 @@ fun JupyterConnection.evalWithIO(maybeConfig: OutputConfig?, body: () -> EvalRes`
`349`	`349`	`System.setOut(out)`
`350`	`350`	`}`
`351`	`351`	`}`
	`352`	`+`
	`353`	`+fun String.nullWhenEmpty(): String? = if (this.isBlank()) null else this`