feat: Add ability to override enumerable builder values#1506
Merged
HofmeisterAn merged 8 commits intodevelopfrom Aug 5, 2025
Merged
feat: Add ability to override enumerable builder values#1506HofmeisterAn merged 8 commits intodevelopfrom
HofmeisterAn merged 8 commits intodevelopfrom
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HofmeisterAn
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Aug 5, 2025
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What does this PR do?
This PR introduces two new types to the builder API for resource configuration:
ComposableEnumerable<T>andComposableDictionary<TKey, TValue>. These types give developers the ability to override pre-configured values, something that wasn’t previously possible.In Testcontainers for .NET, builders are immutable and modules come with opinionated, pre-configured defaults. Some builder APIs only allow extending existing configurations. You couldn't override or completely remove settings that were already defined.
These two new types address that limitation by adding override support to selected APIs.
We're starting with the new
WithCommand(ComposableEnumerable<string>)API. This gives developers more flexible control over container command arguments that are pre-configured by default.For example, to remove all default command arguments:
You can also replace the default command with specific values by passing them instead of
Array.Empty<string>(), or append additional commands using regularWithCommand(string)calls.Also, you can implement your own behavior by inheriting from the base class and customizing it.
Why is it important?
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Related issues