Swagger plugins support

[jvmlet]

Pull Request

The issue or feature being addressed

Closes #3049

[martincostello]

Please add tests.

[martincostello]

I also don't see tests for request/response interceptors.

Swashbuckle.AspNetCore/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerUIIntegrationTests.cs

Lines 100 to 110 in d7a92a1

	[Fact]
	public async Task IndexUrl_ReturnsInterceptors_IfConfigured()
	{
	var client = new TestSite(typeof(CustomUIConfig.Startup)).BuildClient();
	var response = await client.GetAsync("/swagger/index.js");
	var content = await response.Content.ReadAsStringAsync();
	Assert.Contains("\"RequestInterceptorFunction\":", content);
	Assert.Contains("\"ResponseInterceptorFunction\":", content);
	}

[jvmlet]

Please add tests.

There is no infrastructure in integration tests to evaluate the index.html in browser (like Selenium) and I also don't see tests for request/response interceptors.

[martincostello]

#3056 (comment)

We don't test with Selenium, we test that the desired rendering effect is in the HTML as in the examples of existing tests I've directed you to.

[jvmlet]

I also don't see tests for request/response interceptors.

Swashbuckle.AspNetCore/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerUIIntegrationTests.cs

Lines 100 to 110 in d7a92a1

	[Fact]
	public async Task IndexUrl_ReturnsInterceptors_IfConfigured()
	{
	var client = new TestSite(typeof(CustomUIConfig.Startup)).BuildClient();
	var response = await client.GetAsync("/swagger/index.js");
	var content = await response.Content.ReadAsStringAsync();
	Assert.Contains("\"RequestInterceptorFunction\":", content);
	Assert.Contains("\"ResponseInterceptorFunction\":", content);
	}

Great, I would expect to see test that actually asserts the js function functionality , not the template. With plugins it always there ....

[martincostello]

I would expect to see test that actually asserts the js function functionality

That would be testing swagger-ui itself, which isn't our code.

[jvmlet]

I would expect to see test that actually asserts the js function functionality

That would be testing swagger-ui itself, which isn't our code.

Then how do you suggest to test this line ? Without Selenium I can't assert that the plugin was loaded ...

[martincostello]

Then how do you suggest to test this line ? Without Selenium I can't assert that the plugin was loaded ...

Do what the tests I already directed you to do - check that the text of the configured plugins is in the rendered document.

[jvmlet]

Please add tests.

added

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.53%. Comparing base (90f302d) to head (b7b55d4).
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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3056      +/-   ##
==========================================
+ Coverage   90.49%   90.53%   +0.03%     
==========================================
  Files          76       76              
  Lines        3063     3095      +32     
  Branches      496      504       +8     
==========================================
+ Hits         2772     2802      +30     
- Misses        291      293       +2     

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