File size: 9,864 Bytes
8c763fb
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.

Describe "Get-Alias DRT Unit Tests" -Tags "CI" {
    It "Get-Alias Bogus Scope Name should throw PSArgumentException"{
        { Get-Alias -Name "ABCD" -Scope "bogus" } | Should -Throw -ErrorId "Argument,Microsoft.PowerShell.Commands.GetAliasCommand"
    }
    It "Get-Alias OutOfRange Scope"{
        { Get-Alias -Name "ABCD" -Scope "99999" } | Should -Throw -ErrorId "ArgumentOutOfRange,Microsoft.PowerShell.Commands.GetAliasCommand"
    }
    It "Get-Alias Named Single Valid"{
            Set-Alias -Name ABCD -Value "foo"
            $result=Get-Alias -Name ABCD
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "foo"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"
    }
    It "Get-Alias Positional Single Valid"{
            Set-Alias -Name ABCD -Value "foo"
            $result=Get-Alias ABCD
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "foo"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"
    }
    It "Get-Alias Named Multiple Valid"{
            Set-Alias -Name ABCD -Value "foo"
            Set-Alias -Name AEFG -Value "bar"
            $result=Get-Alias -Name ABCD,AEFG
            $result[0].Name | Should -BeExactly "ABCD"
            $result[0].Definition | Should -BeExactly "foo"
            $result[0].Description | Should -BeNullOrEmpty
            $result[0].Options | Should -BeExactly "None"
            $result[1].Name | Should -BeExactly "AEFG"
            $result[1].Definition | Should -BeExactly "bar"
            $result[1].Description | Should -BeNullOrEmpty
            $result[1].Options | Should -BeExactly "None"
    }
    It "Get-Alias Named Wildcard Valid"{
            Set-Alias -Name ABCD -Value "foo"
            Set-Alias -Name ABCG -Value "bar"
            $result=Get-Alias -Name ABC*
            $result[0].Name | Should -BeExactly "ABCD"
            $result[0].Definition | Should -BeExactly "foo"
            $result[0].Description | Should -BeNullOrEmpty
            $result[0].Options | Should -BeExactly "None"
            $result[1].Name | Should -BeExactly "ABCG"
            $result[1].Definition | Should -BeExactly "bar"
            $result[1].Description | Should -BeNullOrEmpty
            $result[1].Options | Should -BeExactly "None"
    }
    It "Get-Alias Positional Wildcard Valid"{
            Set-Alias -Name ABCD -Value "foo"
            Set-Alias -Name ABCG -Value "bar"
            $result=Get-Alias ABC*
            $result[0].Name | Should -BeExactly "ABCD"
            $result[0].Definition | Should -BeExactly "foo"
            $result[0].Description | Should -BeNullOrEmpty
            $result[0].Options | Should -BeExactly "None"
            $result[1].Name | Should -BeExactly "ABCG"
            $result[1].Definition | Should -BeExactly "bar"
            $result[1].Description | Should -BeNullOrEmpty
            $result[1].Options | Should -BeExactly "None"
    }
    It "Get-Alias Named Wildcard And Exclude Valid"{
            Set-Alias -Name ABCD -Value "foo"
            Set-Alias -Name ABCG -Value "bar"
            $result=Get-Alias -Name ABC* -Exclude "*BCG"
            $result[0].Name | Should -BeExactly "ABCD"
            $result[0].Definition | Should -BeExactly "foo"
            $result[0].Description | Should -BeNullOrEmpty
            $result[0].Options | Should -BeExactly "None"
    }
    It "Get-Alias Scope Valid"{
            Set-Alias -Name ABCD -Value "foo"
            $result=Get-Alias -Name ABCD
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "foo"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"

            Set-Alias -Name ABCD -Value "localfoo" -Scope local
            $result=Get-Alias -Name ABCD -Scope local
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "localfoo"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"

            Set-Alias -Name ABCD -Value "globalfoo" -Scope global
            Set-Alias -Name ABCD -Value "scriptfoo" -Scope "script"
            Set-Alias -Name ABCD -Value "foo0" -Scope "0"
            Set-Alias -Name ABCD -Value "foo1" -Scope "1"

            $result=Get-Alias -Name ABCD
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "foo0"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"

            $result=Get-Alias -Name ABCD -Scope local
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "foo0"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"

            $result=Get-Alias -Name ABCD -Scope global
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "globalfoo"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"

            $result=Get-Alias -Name ABCD -Scope "script"
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "scriptfoo"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"

            $result=Get-Alias -Name ABCD -Scope "0"
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "foo0"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"

            $result=Get-Alias -Name ABCD -Scope "1"
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "foo1"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"
    }
    It "Get-Alias Expose Bug 1065828, BugId:905235"{
            { Get-Alias -Name "ABCD" -Scope "100" } | Should -Throw -ErrorId "ArgumentOutOfRange,Microsoft.PowerShell.Commands.GetAliasCommand"
    }
    It "Get-Alias Zero Scope Valid"{
            Set-Alias -Name ABCD -Value "foo"
            $result=Get-Alias -Name ABCD
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "foo"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"

            $result=Get-Alias -Name ABCD -Scope "0"
            $result.Name | Should -BeExactly "ABCD"
            $result.Definition | Should -BeExactly "foo"
            $result.Description | Should -BeNullOrEmpty
            $result.Options | Should -BeExactly "None"
    }

    It "Test get-alias with Definition parameter" {
        $returnObject = Get-Alias -Definition Get-Command
        For($i = 0; $i -lt $returnObject.Length;$i++)
        {
            $returnObject[$i] | Should -Not -BeNullOrEmpty
            $returnObject[$i].CommandType | Should -Be 'Alias'
            $returnObject[$i].Definition | Should -Be 'Get-Command'
        }
    }

    It "Get-Alias DisplayName should always show AliasName -> ResolvedCommand for all aliases" {
        Set-Alias -Name Test-MyAlias -Value Get-Command -Force
        Set-Alias -Name tma -Value Test-MyAlias -force
        $aliases = Get-Alias Test-MyAlias, tma
        $aliases | ForEach-Object {
            $_.DisplayName | Should -Be "$($_.Name) -> Get-Command"
        }
        $aliases.Name.foreach{Remove-Item Alias:$_ -ErrorAction SilentlyContinue}
    }
}

Describe "Get-Alias" -Tags "CI" {
    It "Should have a return type of System.Array when gal returns more than one object" {
        $val1=(Get-Alias a*)
        $val2=(Get-Alias c*)
        $i=0

        $val1 | Should -Not -BeNullOrEmpty
        $val2 | Should -Not -BeNullOrEmpty

        $val1 | ForEach-Object{ $i++};
        if($i -lt 2) {
            $val1 | Should -BeOfType System.Management.Automation.CommandInfo
        }
        else
        {
            ,$val1 | Should -BeOfType System.Array
        }

        $val2 | ForEach-Object{ $i++};
        if($i -lt 2) {
            $val2 | Should -BeOfType System.Management.Automation.CommandInfo
        }
        else
        {
            ,$val2 | Should -BeOfType System.Array
        }
    }

    It "should return an array of objects" {
        $val = Get-Alias a*
        $alias = gal a*

        $val.Count | Should -Be $alias.Count
        for ($i=0; $i -lt $val.Count;$i++)
        {
            $val[$i].CommandType | Should -Be $alias[$i].CommandType
            $val[$i].Name | Should -Be $alias[$i].Name
            $val[$i].ModuleName | Should -Be $alias[$i].ModuleName
        }
    }
}

Describe "Get-Alias null tests" -Tags "CI" {

  $testCases =
    @{ data = $null; value = 'null' },
    @{ data = [String]::Empty; value = 'empty string' }

  Context 'Check null or empty value to the -Name parameter' {
    It 'Should throw if <value> is passed to -Name parameter' -TestCases $testCases {
      param($data)
      { Get-Alias -Name $data } | Should -Throw -ErrorId 'ParameterArgumentValidationError,Microsoft.PowerShell.Commands.GetAliasCommand'
    }
  }
  Context 'Check null or empty value to the -Name parameter via pipeline' {
    It 'Should throw if <value> is passed through pipeline to -Name parameter' -TestCases $testCases {
      param($data)
      { $data | Get-Alias -ErrorAction Stop } | Should -Throw -ErrorId 'ParameterArgumentValidationError,Microsoft.PowerShell.Commands.GetAliasCommand'
    }
  }
}