Fixing bug #2607 related to ModuleSpec syntax in RequiredModules #3594
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chunqingchen
suggested changes
Apr 21, 2017
| @@ -4104,10 +4104,11 @@ internal PSModuleInfo LoadRequiredModule(PSModuleInfo currentModule, ModuleSpeci | |||
| if (currentModule != null) | |||
| { | |||
| requiredModules.Add(new ModuleSpecification(currentModule), new List<ModuleSpecification> { requiredModuleSpecification }); | |||
| requiredModules.Add(requiredModuleSpecification, new List<ModuleSpecification> ( requiredModuleInfo.RequiredModulesSpecification )); | |||
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does requiredModuleSpecification only needs to be added when currentModule is not null?
this is confusing here. if so, please add comment explains why
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Originally I was thinking that both addition should be bundled together; but thinking more about it - it is better to move the new addition to its own 'if' check. Updated.
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| try | ||
| { | ||
| Import-Module $lastModule -ErrorAction Stop |
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please also check that the module is actually loaded.
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chunqingchen
approved these changes
Apr 28, 2017
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This fixes issue #2607.
'RequiredModules' is a field in module manifest that can reference other modules using ModuleSpecification format.
The basic version of this format (just module name) was working fine, however there was a problem when more detailed version of the format was used (the one that uses module versions or/and GUIDs).
During module import, there is a check for cyclic references through 'RequiredModules' field. The bug was in this check for cyclic references , related to comparison rules for ModuleSpecification objects - as a result code was incorrectly reporting 'cyclic reference' error in cases when there was none.
Added tests for different ModuleSpecification formats and a test for error when there is actually a cyclic reference.
Test results before the fix:
Test results after the fix:
