Merge pull request 160 from dev/263-set-variable into develop

src/pester-tests/Test-Set-Variable.Tests.ps1

@@ -0,0 +1,131 @@
+Describe "Test-Set-Variable" {
+    It "Should create a new variable with no parameters" {
+        { Set-Variable testVar } | Should Not Throw
+
+        { Get-Variable testVar } | Should Not Throw
+    }
+
+    It "Should assign a value to a variable it has to create" {
+        Set-Variable -Name testVar -Value 4
+
+        Get-Variable testVar -ValueOnly | Should Be 4
+    }
+
+    It "Should change the value of an already existing variable" {
+        $testVar=1
+
+        $testVar | Should Not Be 2
+
+        Set-Variable testVar -Value 2
+
+        $testVar | Should Be 2
+    }
+
+    It "Should be able to be called with the set alias" {
+        set testVar -Value 1
+
+        $testVar | Should Be 1
+    }
+
+    It "Should be able to be called with the sv alias" {
+        sv testVar -Value 2
+
+        $testVar | Should Be 2
+    }
+
+    It "Should be able to set variable name using the Name parameter" {
+        Set-Variable -Name testVar -Value 1
+
+        $testVar | Should Be 1
+    }
+
+    It "Should be able to set the value of a variable by piped input" {
+        $testValue = "piped input" 
+
+        $testValue | Set-Variable -Name testVar
+
+        $testVar | Should Be $testValue
+    }
+
+    It "Should be able to pipe object properties to output using the PassThru switch" {
+        $input = Set-Variable -Name testVar -Value "test" -Description "test description" -PassThru
+
+        $output = $input | Format-List -Property Description | Out-String
+
+        # This will cause errors running these tests in windows
+        $output | Should Be "`n`nDescription : test description`n`n`n`n"
+    }
+
+    It "Should be able to set the value using the value switch" {
+        Set-Variable -Name testVar -Value 4
+
+        $testVar | Should Be 4
+
+        Set-Variable -Name testVar -Value "test"
+
+        $testVar | Should Be "test"
+    }
+
+    Context "Scope Tests" {
+        # This will violate the DRY principle.  Tread softly.
+
+        It "Should be able to get a global scope variable using the global switch" {
+            Set-Variable globalVar -Value 1 -Scope global -Force
+
+            (Get-Variable -Name globalVar -Scope global)[0].Value | Should Be 1
+        }
+
+        It "Should not be able to set a global scope variable using the local switch" {
+            Set-Variable globalVar -Value 1 -Scope global -Force
+
+            Get-Variable -Name globalVar -Scope local -ErrorAction SilentlyContinue | Should Throw
+        }
+
+        It "Should be able to set a global variable using the script scope switch" {
+            {
+                Set-Variable globalVar -Value 1 -Scope global -Force
+                Get-Variable -Name globalVar -Scope script
+            } | Should Not Throw
+        }
+
+        It "Should be able to get an item locally using the local switch" {
+            {
+                Set-Variable globalVar -Value 1 -Scope local -Force
+
+                Get-Variable -Name globalVar -Scope local 
+            } | Should Not Throw
+        }
+
+        It "Should be able to get an item locally using the global switch" {
+            {
+                Set-Variable globalVar -Value 1 -Scope local -Force
+
+                Get-Variable -Name globalVar -Scope global
+            } | Should Not Throw
+        }
+
+        It "Should not be able to get a local variable using the script scope switch" {
+            {
+                Set-Variable globalVar -Value 1 -Scope local -Force
+
+                Get-Variable -Name globalVar -Scope script
+            } | Should Not Throw
+        }
+
+        It "Should be able to get a script variable created using the script switch" {
+            {
+                Set-Variable globalVar -Value 1 -Scope script -Force
+
+                Get-Variable -Name globalVar -Scope script
+            } | Should Not Throw
+        }
+
+        It "Should be able to set a global script variable that was created using the script scope switch" {
+            {
+                Set-Variable globalVar -Value 1 -Scope script -Force
+
+                Get-Variable -Name globalVar -Scope script
+            } | Should Not Throw
+        }
+    }
+}