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phpIn this article, I will introduce to you how to compare the test coverage value of Golang test cases with a specific threshold. In software development, test coverage is an important metric, which measures how well test cases cover the code. By comparing the test coverage value with a specific threshold, we can judge the quality of the test cases and discover insufficient test coverage in time, thereby improving the quality and stability of the code. In this article, we will explain how to use Golang’s testing tools and code coverage tools to calculate test coverage and compare it to a specific threshold. Whether you are a beginner or an experienced developer, this article will provide you with practical tips and methods to help you better manage and evaluate test coverage. Let’s explore together!
I want to get the test coverage and compare it to a user defined threshold. I tried the code below in the makefile I referenced from this link. It's written in a .yml file, but I'm trying to write it in a makefile.
.PHONY: lint testcoverage=$(go tool cover -func coverage.out | grep total | grep -Eo '[0-9]+\.[0-9]+') echo ${testcoverage} if (${testcoverage} -lt 50 ); then \ echo "Please add more unit tests or adjust threshold to a lower value."; \ echo "Failed" exit 1 else \ echo "OK"; \ fi
It doesn't print anything on echo ${totaltestcoverage}
and gives the answer "ok" even though my totaltestcoverage is 40.
Can anyone help me find a better way to get test coverage and compare to user defined thresholds?
Thanks in advance.
You can try this
.PHONY: lint testcoverage := $(shell go tool cover -func=coverage.out | grep total | grep -Eo '[0-9]+\.[0-9]+') threshold = 50 test: @go test -coverprofile=coverage.out -covermode=count ./... check-coverage: @echo "Test coverage: $(testcoverage)" @echo "Test Threshold: $(threshold)" @echo "-----------------------" @if [ "$(shell echo "$(testcoverage) < $(threshold)" | bc -l)" -eq 1 ]; then \ echo "Please add more unit tests or adjust the threshold to a lower value."; \ echo "Failed"; \ exit 1; \ else \ echo "OK"; \ fi
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