PowerShell - leap, raindrops, reverse-string, two-fer

powershell/reverse-string/.exercism/config.json

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+{
+  "blurb": "Reverse a string",
+  "authors": [
+    "gyssels"
+  ],
+  "contributors": [
+    "kchenery"
+  ],
+  "files": {
+    "solution": [
+      "ReverseString.ps1"
+    ],
+    "test": [
+      "ReverseString.tests.ps1"
+    ],
+    "example": [
+      ".meta/ReverseString.example.ps1"
+    ]
+  },
+  "source": "Introductory challenge to reverse an input string",
+  "source_url": "https://medium.freecodecamp.org/how-to-reverse-a-string-in-javascript-in-3-different-ways-75e4763c68cb"
+}

powershell/reverse-string/.exercism/metadata.json

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+{"track":"powershell","exercise":"reverse-string","id":"675925dac0bc4ca59b00bd1f0515381e","url":"https://exercism.org/tracks/powershell/exercises/reverse-string","handle":"Xevion","is_requester":true,"auto_approve":false}

powershell/reverse-string/.version

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+1

powershell/reverse-string/HELP.md

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+# Help
+
+## Running the tests
+
+To run the tests run the command `Invoke-Pester` from within the exercise directory.
+
+## Submitting your solution
+
+You can submit your solution using the `exercism submit ReverseString.ps1` command.
+This command will upload your solution to the Exercism website and print the solution page's URL.
+
+It's possible to submit an incomplete solution which allows you to:
+
+- See how others have completed the exercise
+- Request help from a mentor
+
+## Need to get help?
+
+If you'd like help solving the exercise, check the following pages:
+
+- The [PowerShell track's documentation](https://exercism.org/docs/tracks/powershell)
+- [Exercism's support channel on gitter](https://gitter.im/exercism/support)
+- The [Frequently Asked Questions](https://exercism.org/docs/using/faqs)
+
+Should those resources not suffice, you could submit your (incomplete) solution to request mentoring.
+
+To get help if you are having trouble, you can use one of the following resources:
+
+- [Powershell Documentation][powershell docs]
+
+[Add more resources]: TODO
+
+[powershell docs]: https://docs.microsoft.com/en-us/powershell/

powershell/reverse-string/README.md

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+# Reverse String
+
+Welcome to Reverse String on Exercism's PowerShell Track.
+If you need help running the tests or submitting your code, check out `HELP.md`.
+
+## Instructions
+
+Reverse a string
+
+For example:
+input: "cool"
+output: "looc"
+
+## Source
+
+### Created by
+
+- @gyssels
+
+### Contributed to by
+
+- @kchenery
+
+### Based on
+
+Introductory challenge to reverse an input string - https://medium.freecodecamp.org/how-to-reverse-a-string-in-javascript-in-3-different-ways-75e4763c68cb

powershell/reverse-string/ReverseString.ps1

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+Function Get-ReverseString {
+    [CmdletBinding()]
+    Param(
+        [Parameter(Position=1, ValueFromPipeline=$true)]
+        [string]$Forward
+	)
+	
+    $x = $Forward.ToCharArray()
+    [array]::Reverse($x)
+    return -join $x
+}

powershell/reverse-string/ReverseString.tests.ps1

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+BeforeAll {
+    . ".\ReverseString.ps1"
+}
+
+Describe "Get-ReverseString Tests" {
+	It "Given <Forward> it outputs <Reverse>" -TestCases @(
+		@{ Forward = ""; Reverse = "" },
+		@{ Forward = "PowerShell"; Reverse = "llehSrewoP" },
+		@{ Forward = "robot"; Reverse = "tobor" },
+		@{ Forward = "Ramen"; Reverse = "nemaR" },
+		@{ Forward = "I'm hungry!"; Reverse = "!yrgnuh m'I" },
+		@{ Forward = "racecar"; Reverse = "racecar" }
+	) {
+		Param(
+			[string]$Forward,
+			[string]$Reverse
+		)
+
+		Get-ReverseString -Forward $Forward | Should -BeExactly $Reverse
+	}
+}