public static string GetAssertionFormatString()

in src/TestHelpers/Embedded/BaselineHelper.cs [75:135]

• 53 lines of code
• 6 McCabe index (conditional complexity)

    public static string GetAssertionFormatString(bool isBaselineUpdate, bool canUpdateBaselines)
    {
        var output = new StringBuilder();
        var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);

        output.Append(@"
Found diffs between actual and expected:
{0}
");

        if (isBaselineUpdate)
        {
            output.Append(@"
Baseline {2} has been updated.
");
        }
        else if (canUpdateBaselines)
        {
            output.Append(@"
View this diff with:
    git diff --color-words --no-index {2} {1}
");

            if (isWindows)
            {
                output.Append(@"
Overwrite the single baseline:
    xcopy /yq {1} {2}

Overwrite all baselines for this assembly:
    dotnet test {3} --filter ""TestCategory=Baseline"" -- 'TestRunParameters.Parameter(name=""SetBaseLine"", value=""true"")'

Overwrite all baselines:
    .\scripts\UpdateBaselines.ps1
");
            }
            else
            {
                output.Append(@"
Overwrite the single baseline:
    cp {1} {2}

Overwrite all baselines for this assembly:
    dotnet test {3} --filter ""TestCategory=Baseline"" -- 'TestRunParameters.Parameter(name=""SetBaseLine"", value=""true"")'
");
            }
        }
        else
        {
            output.Append(@"
Run the following in the repo root to overwrite all baselines:
    .\scripts\UpdateBaselines.ps1
");
        }

        output.Append(@"
For information on baselines, see https://aka.ms/deployments/wiki?pagePath=/How-Tos/Work-with-Baseline-files
");

        return output.ToString();
    }