Verify ILogger calls with Moq.ILogger
Moq is by far the most used mocking library for .NET. It provides objects to either mimic real services implementations or to verify if they were called in a certain way by the Service Under Test. Often teams work hard to have meaningful logs in order to help with investigations, to have the possibility to define alarms based on the content of the logs, or even to help with instrumentation. If there is a log entry that resembles as an exception, then a notification might be sent to a Teams/Slack channel, an email, or even to randomly start the alarms on your team's members' cars (joking, don't do that, you know everyone ignores that Slack channel). There are many situations when an investigation ends up with no resolution, and with a promise to the client that the missing logging lines will soon be added. This it translates into development costs, reputation loss, and maybe most importantly having a missed opportunity to learn about the system's behavior in the p