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- Introduced guidelines for "one codeunit one global function" architecture to enforce single responsibility in AL code. - Added best practices and anti-patterns for adding parameters via overloads to maintain backward compatibility. - Documented the importance of never deleting members in AL and always marking them as obsolete. - Established the requirement for OnBefore and OnAfter integration events for global procedures to enhance extensibility. - Defined naming conventions for CMFRT objects, including prefixes and object ID ranges to avoid conflicts. - Implemented patterns for case statements to ensure all cases are handled, including the necessity of an else clause. - Introduced the interface injection pattern to allow pluggable operations in table-level code. - Recommended using Confirm Management for user confirmations to improve testability. - Established a three-permission set pattern for security to ensure proper access control. - Created a review skill for CMFRT AL standards to automate compliance checks against established guidelines.
26 lines
1.5 KiB
Markdown
26 lines
1.5 KiB
Markdown
---
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bc-version: [all]
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domain: patterns
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keywords: [confirm, confirmmanagement, dialog, user-confirmation, test, automation, testability]
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technologies: [al]
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countries: [w1]
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application-area: [all]
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---
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# CMFRT use ConfirmManagement instead of Confirm
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## Description
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CMFRT AL code must use the `"Confirm Management"` codeunit to prompt the user for confirmation instead of calling the `Confirm` built-in function directly. `"Confirm Management"` wraps `Confirm` and resolves confirmation dialogs without displaying UI during automated test runs, making test behaviour deterministic. The `Confirm` built-in always renders a modal dialog regardless of execution context, which causes automated tests to hang waiting for user input.
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## Best Practice
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Declare `ConfirmManagement: Codeunit "Confirm Management";` as a local variable and call `ConfirmManagement.GetResponseOrDefault(QuestionLbl, true)`. The codeunit suppresses the dialog automatically in test context. Use a `Label` for the question text so it is translatable.
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See sample: `cmfrt-use-confirmmanagement.good.al`.
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## Anti Pattern
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Calling `if Confirm(QuestionText, true) then` directly. Direct `Confirm` calls are not interceptable by the test framework: the modal dialog appears during automated test runs, causing the test to stall indefinitely or fail with a UI-interaction error. Tests that hit a `Confirm` call cannot be run in a CI pipeline without manual intervention.
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See sample: `cmfrt-use-confirmmanagement.bad.al`.
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