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Methods like… * `count()` return `Integer` values * `boolean()` return `TrueClass`/`FalseClass` values * `concat()` return `String` values …but threw exceptions because those types weren't supported. This adds support to the `xml` resource, and adds tests to verify some of those examples. Signed-off-by: Mark Hughes <greenantdotcom@users.noreply.github.com>
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2.7 KiB
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97 lines
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2.7 KiB
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---
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title: About the xml Resource
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platform: os
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---
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# xml
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Use the `xml` InSpec audit resource to test data in an XML file.
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<br>
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## Availability
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### Installation
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This resource is distributed along with InSpec itself. You can use it automatically.
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### Version
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This resource first became available in v1.37.6 of InSpec.
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## Syntax
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An `xml` resource block declares the data to be tested. Assume the following XML file:
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<root>
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<name>hello</name>
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<meta>
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<creator>John Doe</creator>
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</meta>
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<array>
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<element>one</element>
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<element>two</element>
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</array>
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<array>
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<element value="one"></element>
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<element value="two"></element>
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</array>
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</root>
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This file can be queried for elements using:
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describe xml('/path/to/name.xml') do
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its('root/name') { should eq ['hello'] }
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its('root/meta/creator') { should eq ['John Doe'] }
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its('root/array[2]/element') { should eq ['two'] }
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end
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This file can be queried for attributes using:
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describe xml('/path/to/name.xml') do
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its('root/array[2]/element/@value') { should eq ['one', 'two'] }
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its('root/array[2]/element/attribute::value') { should eq ['one', 'two'] }
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its('root/array[2]/element[2]/attribute::value') { should eq ['two'] }
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its('count(//*)') { should eq [42] }
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its('boolean(root/array[2]/element[2]/@valid)') { should eq [false] }
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end
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where
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* `root/name` and `root/array[2]/element/@value` is an XPath expression
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* `should eq ['foo']` tests a value of `root/name` as read from an XML file versus the value declared in the test
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In the above example, you see the use of `@` and `attribute::` which are both methods of fetching attributes.
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In the event the path contains an element which contains periods, the alternate syntax can be used:
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its(['root/name.with.a.period']) { should cmp 'so_many_dots' }
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<br>
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## Examples
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The following examples show how to use this InSpec audit resource.
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### Test an AppPool's presence in an applicationHost.config file or the default site under applicationHost.sites
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describe xml('applicationHost.config') do
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# using the alternate syntax as described above because of the . in the key name
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its(['configuration/system.applicationHost/applicationPools/add@name']) { should contain('my_pool') }
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end
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describe xml('applicationHost.sites') do
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its('site[@name="Default Web Site"]/application/virtualDirectory/@path') { should eq ['/'] }
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end
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<br>
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## Matchers
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For a full list of available matchers, please visit our [matchers page](https://www.inspec.io/docs/reference/matchers/).
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### name
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The `name` matcher tests the value of `name` as read from a JSON file versus the value declared in the test:
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its('name') { should eq 'foo' } |