Testing Java Applications using Groovy blocks/en - Versionsgeschichte

Cg: /* Debugging tests II */

2022-02-04T08:40:08Z

Debugging tests II

← Nächstältere Version		Version vom 4. Februar 2022, 08:40 Uhr
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	This opens a little window displaying all Java breakpoints, including the ''line breakpoints'' we have used earlier.		This opens a little window displaying all Java breakpoints, including the ''line breakpoints'' we have used earlier.
	Use the context menu (right-click in the list) to add an exception breakpoint:		Use the context menu (right-click in the list) to add an exception breakpoint:


	[[Datei:expecco_BankAccounts_018.png]]		[[Datei:expecco_BankAccounts_018.png]]

Cg: /* Debugging tests II */

2022-02-04T08:39:46Z

Debugging tests II

← Nächstältere Version		Version vom 4. Februar 2022, 08:39 Uhr
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	We might expect the result to look like the in first test, except that the amount being -500 rather than 500 and the final balances being exchanged.		We might expect the result to look like the in first test, except that the amount being -500 rather than 500 and the final balances being exchanged.

	Actually such a test would fail. As you may see, the code throws a ~~```~~TransactionException~~```~~ with a (rather unspecific) message ''Internal error occurred during transaction''.		Actually such a test would fail. As you may see, the code throws a ''TransactionException'' with a (rather unspecific) message ''Internal error occurred during transaction''.
	The message is a bit worrying as, if negative value are not allowed, the error message should say so.		The message is a bit worrying as, if negative value are not allowed, the error message should say so.
	Our feeling is that something else went wrong...		Our feeling is that something else went wrong...
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	To find out, we may again use the Java debugger plugin and place an ''exception breakpoint'', a special kind of breakpoint that stops program execution whenever an exception of a specific type is thrown.		To find out, we may again use the Java debugger plugin and place an ''exception breakpoint'', a special kind of breakpoint that stops program execution whenever an exception of a specific type is thrown.
	To do so, go to "''Plugins''" → ''Java Debugger'' → ''Breakpoint List''.		To do so, go to "''Plugins''" → "''Java Debugger''" → "''Breakpoint List''".
	This opens a little window displaying all Java breakpoints, including the ''line breakpoints'' we have used earlier.		This opens a little window displaying all Java breakpoints, including the ''line breakpoints'' we have used earlier.
	Use the context menu (right-click in the list) to add an exception breakpoint:		Use the context menu (right-click in the list) to add an exception breakpoint:

Cg: /* Debugging tests II */

2022-02-04T08:37:58Z

Debugging tests II

← Nächstältere Version		Version vom 4. Februar 2022, 08:37 Uhr
Zeile 343:		Zeile 343:

	To find out, we may again use the Java debugger plugin and place an ''exception breakpoint'', a special kind of breakpoint that stops program execution whenever an exception of a specific type is thrown.		To find out, we may again use the Java debugger plugin and place an ''exception breakpoint'', a special kind of breakpoint that stops program execution whenever an exception of a specific type is thrown.
	To do so, go to ''Plugins'' ► ''Java Debugger'' ► ''Breakpoint List''.		To do so, go to "''Plugins''" → ''Java Debugger'' → ''Breakpoint List''.
	This opens a little window displaying all Java breakpoints, including the ''line breakpoints'' we have used earlier.		This opens a little window displaying all Java breakpoints, including the ''line breakpoints'' we have used earlier.
	Use the context menu (right-click in the list) to add an exception breakpoint:		Use the context menu (right-click in the list) to add an exception breakpoint:

Cg: /* Implementing the first test */

2022-02-04T08:36:14Z

Implementing the first test

← Nächstältere Version		Version vom 4. Februar 2022, 08:36 Uhr
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	[[Java Browser/en]] plugin for expecco provides a simple browser to load and browse Java code directly from within the expecco environment.		[[Java Browser/en]] plugin for expecco provides a simple browser to load and browse Java code directly from within the expecco environment.
	To open a Java Browser on "Bank Account" code, select ''Plugins'' ► ''Java Browser'' ► ''Open...'' from the expecco main menu and define a new Java browser workspace. A Java browser workspace is a folder where the Java Browser stores all the Java code and sources (similar to an eclipse workspace).		To open a Java Browser on "Bank Account" code, select "''Plugins''" → "''Java Browser''" → "''Open...''" from the expecco main menu and define a new Java browser workspace. A Java browser workspace is a folder where the Java Browser stores all the Java code and sources (similar to an eclipse workspace).
	You can define multiple workspaces and switch between them at any time.		You can define multiple workspaces and switch between them at any time.
	If you don't have a workspace for "Bank Account" yet, just enter an empty directory and new workspace will be created.		If you don't have a workspace for "Bank Account" yet, just enter an empty directory and new workspace will be created.
	Initially the workspace is empty, so to actually see the code of "Bank Account", we have add it's code and sources to it.		Initially the workspace is empty, so to actually see the code of "Bank Account", we have add it's code and sources to it.
	To do so, click on the ''Open Settings'' button in the Java Browser window or select ''Workspace'' ► ''Settings'' from the window menu.		To do so, click on the ''Open Settings'' button in the Java Browser window or select "''Workspace''" → "''Settings''" from the window menu.
	In the Settings dialog, click on ''Add Library'' and add ''Bank Account'' code.		In the Settings dialog, click on ''Add Library'' and add ''Bank Account'' code.
	Once added and confirmed (by pressing ''OK'' button), you may browse through the code, check what classes and methods are available and so on.		Once added and confirmed (by pressing ''OK'' button), you may browse through the code, check what classes and methods are available and so on.

Cg: /* Advanced Debugging: The Bank Account Example */

2022-02-04T08:34:54Z

Advanced Debugging: The Bank Account Example

← Nächstältere Version		Version vom 4. Februar 2022, 08:34 Uhr
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	This section presents more advanced features, showing how internals of your Java code can be debugged and tested.		This section presents more advanced features, showing how internals of your Java code can be debugged and tested.
	Be reminded, that expecco is not usually meant and used as a white-box testing tool (ie. looking inside an application). However, the following shows that ~~expect~~ does provide some support for such tests.		Be reminded, that expecco is not usually meant and used as a white-box testing tool (ie. looking inside an application). However, the following shows that it does provide some support for such tests.

	Most users will not need this level of introspection.		Most users will not need this level of introspection.

Cg: /* Importing a Java Framework */

2022-02-04T08:34:14Z

Importing a Java Framework

← Nächstältere Version		Version vom 4. Februar 2022, 08:34 Uhr
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	* make sure that the jar-file is found		* make sure that the jar-file is found
	** either by setting a CLASSPATH variable in your environment before expecco is started (because the called JavaVM will see that variable)		** either by setting a CLASSPATH variable in your environment before expecco is started (because the called JavaVM will see that variable)
	** or by adding the jar path to the expecco Groovy settings<br>(in "''Extras''" - "''Settings''" - "''Execution''" - "''External Interpreters''" - "''Groovy Class Path''").		** or by adding the jar path to the expecco Groovy settings<br>(in "''Extras''" - "''Settings''" → "''Execution''" → "''External Interpreters''" → "''Groovy Class Path''").

	And obviously, you'll have to add an import statement to your Groovy code.		And obviously, you'll have to add an import statement to your Groovy code.

Cg: /* Importing a Java Framework */

2022-02-04T08:31:24Z

Importing a Java Framework

← Nächstältere Version		Version vom 4. Februar 2022, 08:31 Uhr
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	** or by adding the jar path to the expecco Groovy settings<br>(in "''Extras''" - "''Settings''" - "''Execution''" - "''External Interpreters''" - "''Groovy Class Path''").		** or by adding the jar path to the expecco Groovy settings<br>(in "''Extras''" - "''Settings''" - "''Execution''" - "''External Interpreters''" - "''Groovy Class Path''").

	And obviously, you'll have to add an import statement in your Groovy code.		And obviously, you'll have to add an import statement to your Groovy code.

	== Advanced Debugging: The Bank Account Example ==		== Advanced Debugging: The Bank Account Example ==

Cg: /* Sending Simple Data to Java */

2022-02-04T08:26:51Z

Sending Simple Data to Java

← Nächstältere Version		Version vom 4. Februar 2022, 08:26 Uhr
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	=== Sending Simple Data to Java ===		=== Sending Simple Data to Java ===

	In a similar fashion, create an input pin, give it an appropriate type ("String"in this example), and change the code to:		In a similar fashion, create an input pin, give it an appropriate type ("String" in this example), and change the code to:
	def execute() {		def execute() {
	String myInput = in1.value();		String myInput = in1.value();

Cg: /* Receiving Simple Data from Java */

2022-02-04T08:25:22Z

Receiving Simple Data from Java

← Nächstältere Version		Version vom 4. Februar 2022, 08:25 Uhr
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	To pass simple objects like numbers or strings from Java to expecco,		To pass simple objects like numbers or strings from Java to expecco,
	add an output pin to the action		add an output pin to the action.<br>
	Either click on the "+" at the top-right of the code editor:		Either click on the "+" at the top-right of the code editor:

Cg: /* Receiving Simple Data from Java */

2022-02-04T08:24:59Z

Receiving Simple Data from Java

← Nächstältere Version		Version vom 4. Februar 2022, 08:24 Uhr
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	Change the datatype of the pin to "Number" (or "String") via the pin's context menu		Change the datatype of the pin to "Number" (or "String") via the pin's context menu
	(select the pin, then right click).		(either select the pin, then right click, then choose "''Datatype''" or right click on the datatype as in the next picture).

	~~<br>~~[[Datei:groovy_create_action_005.png\|400px]]		[[Datei:groovy_create_action_005.png\|400px]]

	<br>Then, edit the to code to:		<br>Then, edit the to code to: