BitTitan.Runbooks.Common.Beta

0.3.43

Functions/Get-JsonStringMaximumDepth.Tests.ps1

describe "BitTitan.Runbooks.Common/Get-JsonStringMaximumDepth" -Tag "module", "unit" {

    # Import the function to test
    . "$($PSScriptRoot)\Get-JsonStringMaximumDepth.ps1"

    it -TestCases @(
        @{
            JsonString = '{
                "layer1": {
                    "layer2": {
                        "layer3": {
                            "layer4": "deepestLayer"
                        }
                    }
                }
            }'
            Depth = 4
        },
        @{
            JsonString = '{
                "layer1": [
                    {"layer2": {
                        "layer3": {
                            "layer4": "notDeepestLayer"
                        }
                    }}
                ],
                "layer01": {
                    "layer02": [
                        {"layer04": {
                            "layer05": [
                                {"layer 07": "deepestLayer"}
                            ]
                        }}
                    ]
                }
            }'
            Depth = 7
        }
    ) "returns the correct maximum JSON depth of <depth>" {
        param ($JsonString, $Depth)

        # Call the function
        $output = Get-JsonStringMaximumDepth $JsonString

        # Verify the output
        $output | Should Be $Depth
    }

    it "outputs an error and returns null when the JSON string is invalid" {
        # Call the function
        $output = Get-JsonStringMaximumDepth "[[" -ErrorAction SilentlyContinue -ErrorVariable errorVariable

        # Verify the output
        $errorVariable | Should Not BeNullOrEmpty
        $output | Should Be $null
    }
}