lucaslorentz / Minicover
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MiniCover
Code Coverage Tool for .NET Core
Supported .NET Core SDKs
- 2.1 (Global tool)
- 2.2 (Global tool)
- 3.0 (Global tool or local tool)
- 3.1 (Global tool or local tool)
- 5.0 (Global tool or local tool)
Installation
MiniCover can be installed as a global tool:
dotnet tool install --global minicover
Or local tool:
dotnet tool install minicover
Commands
This is a simplified documentation of MiniCover commands and options.
Use --help for more information:
minicover --help
When installed as local tool, MiniCover commands must be prefixed with dotnet. Example:
dotnet minicover --help
Instrument
minicover instrument
Use this command to instrument assemblies to record code coverage.
It is based on the following main options:
| option | description | type | default |
|---|---|---|---|
| sources | source files to track coverage | glob | src/**/*.cs |
| exclude-sources | exceptions to source option | glob |
**/bin/**/*.cs and **/obj/**/*.cs
|
| tests | test files used to recognize test methods | glob |
tests/**/*.cs and test/**/*.cs
|
| exclude-tests | exceptions to tests option | glob |
**/bin/**/*.cs and **/obj/**/*.cs
|
| assemblies | assemblies considered for instrumentation | glob | **/*.dll |
| exclude-assemblies | Exceptions to assemblies option | glob | **/obj/**/*.dll |
Note 1: Assemblies not related to sources or tests are automatically ignored.
Note 2: Supported syntax for glob values.
Note 3: You can repeat glob options to represent multiple values. Example: --sources "a/**/*.cs" --sources "b/**/*.cs"
This command also generates a coverage.json file with information about the instrumented code.
Uninstrument
minicover uninstrument
Use this command to revert the instrumentation based on coverage.json file.
Make sure you call uninstrument before publishing or packing your application.
Reset
minicover reset
Use this command to reset the recorded coverage so far.
Report
minicover report
Use this command to print a coverage report in the console.
The command exits with failure if the coverage doesn't meet a specific threshold (90% by default).
More commands
- cloverreport: Write an Clover-formatted XML report to file
- coberturareport: Write a cobertura XML report to file
- coverallsreport: Prepare and/or submit coveralls reports
- htmlreport: Write html report to folder
- opencoverreport: Write an OpenCover-formatted XML report to file
- xmlreport: Write an NCover-formatted XML report to file
Use --help for more information.
Build script example
dotnet restore
dotnet build
# Instrument
minicover instrument
# Reset hits
minicover reset
dotnet test --no-build
# Uninstrument
minicover uninstrument
# Create html reports inside folder coverage-html
minicover htmlreport --threshold 90
# Console report
minicover report --threshold 90
Ignore coverage files
Add the following to your .gitignore file to ignore code coverage results:
coverage-html
coverage-hits
coverage.json
Libraries
When using MiniCover libraries:
- use dependency injection to create instances
- use only the main interfaces listed on each package below
By doing that, you reduce the risk of being impacted by future MiniCover changes.
MiniCover.Core
Main MiniCover operations.
Dependency injection configuration:
services.AddMiniCoverCore();
Main interfaces:
- IInstrumenter
- IUninstrumenter
- IHitsReader
- IHitsResetter
MiniCover.Reports
MiniCover reports.
Dependency injection configuration:
services.AddMiniCoverCore();
services.AddMiniCoverReports();
Main interfaces:
- ICloverReport
- ICoberturaReport
- IConsoleReport
- ICoverallsReport
- IHtmlReport
- IHtmlSourceFileReport
- INCoverReport
- IOpenCoverReport