thin-provisioning-tools/features/thin_delta.feature

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Feature: thin_delta
Scenario: print version (-V flag)
When I run `thin_delta -V`
Then it should pass with version
Scenario: print version (--version flag)
When I run `thin_delta --version`
Then it should pass with version
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Scenario: print help
When I run `thin_delta --help`
Then it should pass with:
"""
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Usage: thin_delta [options] --snap1 <snap> --snap2 <snap> <device or file>
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Options:
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{--verbose}
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{-h|--help}
{-V|--version}
"""
Scenario: print help
When I run `thin_delta -h`
Then it should pass with:
"""
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Usage: thin_delta [options] --snap1 <snap> --snap2 <snap> <device or file>
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Options:
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{--verbose}
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{-h|--help}
{-V|--version}
"""
Scenario: Unrecognised option should cause failure
When I run `thin_delta --unleash-the-hedeghogs`
Then it should fail
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Scenario: --snap1 must be specified
When I run `thin_delta --snap2 45 foo`
Then it should fail with:
"""
--snap1 not specified.
"""
Scenario: --snap2 must be specified
When I run `thin_delta --snap1 45 foo`
Then it should fail with:
"""
--snap2 not specified.
"""
Scenario: device must be specified
When I run `thin_delta --snap1 45 --snap2 50`
Then it should fail with:
"""
No input device provided.
"""