# Scalable Go software systems

Published articles for Scalable Go software systems.

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## Ep. 11: Enhancing Go Code with Effective Application Layer Tests

DevFeed: [Ep. 11: Enhancing Go Code with Effective Application Layer Tests](<https://devfeed.tech/articles/ep-11-enhancing-go-code-with-effective-application-layer-tests-22254.md>)

Original publisher: [Read original article](<https://www.ardanlabs.com/blog/2024/07/proper-prompt-formatting-for-enhanced-ai-model-performance-ep-11.html>)

Published: 2024-07-30T00:00:00Z

Content type: tutorial

Language: en

Sources: [William Kennedy](<https://devfeed.tech/sources/william-kennedy.md>)

Topics: [Go Language](<https://devfeed.tech/topics/go-language.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [test-coverage](<https://devfeed.tech/topics/test-coverage.md>), [Software Engineering](<https://devfeed.tech/topics/software-engineering.md>)

Tags: [code-coverage](<https://devfeed.tech/tags/code-coverage.md>), [comprehensive-go-testing](<https://devfeed.tech/tags/comprehensive-go-testing.md>), [context](<https://devfeed.tech/tags/context.md>), [context-management-go-tests](<https://devfeed.tech/tags/context-management-go-tests.md>), [continuous-integration](<https://devfeed.tech/tags/continuous-integration.md>), [debugging-go-applications](<https://devfeed.tech/tags/debugging-go-applications.md>), [effective-test-organization-go](<https://devfeed.tech/tags/effective-test-organization-go.md>), [efficient-go-testing-techniques](<https://devfeed.tech/tags/efficient-go-testing-techniques.md>), [error-handling](<https://devfeed.tech/tags/error-handling.md>), [go](<https://devfeed.tech/tags/go.md>), [go-application-layer-tests](<https://devfeed.tech/tags/go-application-layer-tests.md>), [go-authentication-tokens](<https://devfeed.tech/tags/go-authentication-tokens.md>), [go-continuous-integration-testing](<https://devfeed.tech/tags/go-continuous-integration-testing.md>), [go-dependencies-management](<https://devfeed.tech/tags/go-dependencies-management.md>), [go-error-handling-consistency](<https://devfeed.tech/tags/go-error-handling-consistency.md>), [go-middleware-handlers](<https://devfeed.tech/tags/go-middleware-handlers.md>), [go-project-test-implementation](<https://devfeed.tech/tags/go-project-test-implementation.md>), [go-subtests-domain-level](<https://devfeed.tech/tags/go-subtests-domain-level.md>), [go-testing-strategies](<https://devfeed.tech/tags/go-testing-strategies.md>), [maintaining-go-software-quality](<https://devfeed.tech/tags/maintaining-go-software-quality.md>), [mock-apis-go-testing](<https://devfeed.tech/tags/mock-apis-go-testing.md>), [reliable-go-codebase](<https://devfeed.tech/tags/reliable-go-codebase.md>), [resilient-go-application](<https://devfeed.tech/tags/resilient-go-application.md>), [scalable-go-software-systems](<https://devfeed.tech/tags/scalable-go-software-systems.md>), [table-driven-tests](<https://devfeed.tech/tags/table-driven-tests.md>), [table-driven-tests-go](<https://devfeed.tech/tags/table-driven-tests-go.md>), [testing](<https://devfeed.tech/tags/testing.md>), [tests](<https://devfeed.tech/tags/tests.md>), [unit-tests](<https://devfeed.tech/tags/unit-tests.md>)

### AI overview

Episode 11 of the Ultimate Software Design series explains how to implement application-layer tests in Go. It covers domain-level test organization, subtests, table-driven tests, mock APIs, dependency management, authentication tokens, context, and consistent error handling, with the goal of broad coverage using minimal database instances.

### Source excerpt

Introduction: Welcome to Episode 11 of our Ultimate Software Design series! In this episode, Bill delves into the intricacies of implementing robust application layer tests within Go projects, providing developers with essential strategies for creating scalable and maintainable software systems. Implement application layer tests that ensure comprehensive coverage with minimal database instances. Organize tests at the domain level using subtests for easier issue isolation and resilient code. Manage dependencies, authentication tokens, and context for smooth information flow and consistent error handling.