CODEWITHSUNDEEP
c#sonarqube
Steve
Steve

Reputation: 4513

Why my code coverage is zero percent even unit test all passed?

I have created a project with just one method and I have written a unit test on it and the unit test passed locally. But not sure why after running sonar cloud scanner, it shows zero percent coverage.

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This is the test class

public class DataStructureTest
{
    private readonly DataStructure ds;

    public DataStructureTest()
    {
        ds = new DataStructure();
    }

    [Theory, MemberData(nameof(LongestString_Return_Longest_String_ShouldPass_Data))]
    public void LongestString_Return_Longest_String_ShouldPass(string input, string expect)
    {
        // Act
        var actual = ds.LongestString(input);

        // Assert
        Assert.Equal(expect, actual);
    }

    public static TheoryData<string, string> LongestString_Return_Longest_String_ShouldPass_Data()
    {
        return new TheoryData<string, string>
        {
            { "Hello John", "Hello" },
            { "Hi John and Mandy", "Mandy" }
        };
    }
}

Upvotes: 0

Views: 2701

Answers (1)

user7571491
user7571491

Reputation:

You have to be careful about what these softwares mean when they use some term. For example, SonarQube has following article: https://community.sonarsource.com/t/sonarqube-and-code-coverage/4725

FAQ has this as first question:

Q: After migrating from 5.6 to 6.7 my coverage shows 0%, why is that ? R: Since SonarQube 6.2 and the implementation of the MMF-345 565, if no coverage information is found the coverage is then set to zero by default.

I think your case may come under this.

Upvotes: 1

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