From 7158b532b08bdaebcb0e42b7a4fd21870c163294 Mon Sep 17 00:00:00 2001
From: Zachary Folwick <v-zafolw@microsoft.com>
Date: Tue, 6 Oct 2015 13:37:45 -0700
Subject: [PATCH] added group-object tests

---
 src/pester-tests/Test-Group-Object.Tests.ps1 | 87 ++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 src/pester-tests/Test-Group-Object.Tests.ps1

diff --git a/src/pester-tests/Test-Group-Object.Tests.ps1 b/src/pester-tests/Test-Group-Object.Tests.ps1
new file mode 100644
index 0000000000..7c6e237d5f
--- /dev/null
+++ b/src/pester-tests/Test-Group-Object.Tests.ps1
@@ -0,0 +1,87 @@
+Describe "Test-Group-Object" {
+    $testObject = Get-ChildItem
+
+    It "Should be called using an object as piped without error with no switches" {
+        {$testObject | Group-Object } | Should Not Throw
+    }
+
+    It "Should be called using the InputObject without error with no other switches" {
+        { Group-Object -InputObject $testObject } | Should Not Throw
+    }
+
+    It "Should return three columns- count, name, and group" {
+        $actual = Group-Object -InputObject $testObject
+
+        $actual.Count       | Should BeGreaterThan 0
+        $actual.Name.Count  | Should BeGreaterThan 0
+        $actual.Group.Count | Should BeGreaterThan 0
+
+    }
+
+    It "Should use the group alias" {
+        { group -InputObject $testObject } | Should Not Throw
+    }
+
+    It "Should create a collection when the inputObject parameter is used" {
+        $actualParam = Group-Object -InputObject $testObject
+
+        $actualParam.Group.GetType().Name | Should Be "Collection``1"
+    }
+
+    It "Should output an array when piped input is used" {
+        $actual = $testObject | Group-Object
+
+        $actual.Group.GetType().BaseType | Should Be Array
+    }
+
+    It "Should have the same output between the group alias and the group-object cmdlet" {
+        $actualAlias = group -InputObject $testObject
+        $actualCmdlet = Group-Object -InputObject $testObject
+
+        $actualAlias.Name[0] | Should Be $actualCmdlet.Name[0]
+        $actualAlias.Group[0] | Should Be $actualCmdlet.Group[0]
+
+    }
+
+    It "Should be able to use the property switch without error" {
+        { $testObject | Group-Object -Property Attributes } | Should Not Throw
+
+        $actual = $testObject | Group-Object -Property Attributes
+
+        $actual.Group.Count | Should BeGreaterThan 0
+    }
+
+    It "Should be able to use the property switch on multiple properties without error" {
+        { $testObject | Group-Object -Property Attributes, Length }
+
+        $actual = $testObject | Group-Object -Property Attributes, Length
+
+        $actual.Group.Count | Should BeGreaterThan 0
+    }
+
+    It "Should be able to omit members of a group using the NoElement switch without error" {
+        { $testObject | Group-Object -NoElement } | Should Not Throw
+
+        ($testObject | Group-Object -NoElement).Group | Should BeNullOrEmpty
+    }
+
+    It "Should be able to output a hashtable datatype" {
+        $actual = $testObject | Group-Object -AsHashTable
+
+        $actual.GetType().Name | Should be "Hashtable"
+    }
+
+    It "Should be able to access when output as hash table" {
+        $actual = $testObject | Group-Object -AsHashTable
+
+        $actual.Keys | Should Not BeNullOrEmpty
+    }
+
+    It "Should throw when attempting to use AsString without AsHashTable" {
+        { $testObject | Group-Object -AsString } | Should Throw
+    }
+
+    It "Should not throw error when using AsString when the AsHashTable was added" {
+        { $testObject | Group-Object -AsHashTable -AsString } | Should Not Throw
+    }
+}