How to Resolve the 'Import Cycle Not Allowed' Error in Go?

Understanding "Import Cycle Not Allowed" Error

When testing a controller, you may encounter the "import cycle not allowed" error. This error occurs when there is an improper dependency within your Go modules.

Interpreting the Output

The output indicates that there is an import cycle within the following modules:

• project/controllers/account
• project/controllers/base
• project/components/mux

Identifying the Import Cycle

An import cycle forms when one module depends on another, and that other module in turn depends on the first. In this case, the error message highlights two instances of an import cycle:

1. project/components/mux imports project/controllers/account.
2. project/controllers/account then imports one of its dependencies, project/controllers/base.

Resolving the Dependency

To resolve the import cycle, you need to ensure that the dependencies between your modules are acyclic. This means that one module should not depend on another module that depends on it.

In this case, consider if the project/controllers/account module should instead depend on project/components/mux. By adjusting the dependency structure to prevent the forming of cycles, you can resolve the "import cycle not allowed" error.

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