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| | [[en:NewTestRunner]] | | [[en:NewTestRunner]] |
| - | This is a first draft for an AccUnit TestRunner.
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| | [[Datei:AccUnit_TestRunner_Draft.jpg|480px]] | | [[Datei:AccUnit_TestRunner_Draft.jpg|480px]] |
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| - | | + | Details siehe [http://en.accunit.access-codelib.net/NewTestRunner englische Version] |
| - | == Details ==
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| - | (Gathered mainly as results of the discussion between Josef and Paul on Jan 13th, 2012)
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| - | TO BE ORDERED AND REVIEWED
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| - | === Reponsibilites and Input/Output ===
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| - | * '''TestManager'''
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| - | ** Responsibility: Orchestrates the parts described below
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| - | ** Responsibilites in particular:
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| - | *** A2: listening to TestCollector and maintaing the list of test related info in the repository
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| - | *** B0: instantiates the TestRunner for each new test run
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| - | *** B1: providing a list of tests to be run by the TestRunner
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| - | **** some sources: all tests from the repository, selection from a test tree, test according to the current selection of the IDE, a prioritizer component, selection by tags, ...)
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| - | *** B3: creating an instance for the current TestRun (actually before starting)
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| - | *** B2: starting the TestRunner (as reaction to some user action)
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| - | *** B4: listening to the outputs of the TestRunner and maintaining the current TestRun object
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| - | *** B5: adding the current TestRun object to the list of test runs in the repository
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| - | ** TO BE CLARIFIED: Should this work as a facade?
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| - | ** Events:
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| - | *** BeforeCollectingTests (maybe better: BeforeScanningProject? - there are also the test-related modules)
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| - | *** AfterCollectingTests (maybe better: AfterScanningProject? - reasoning as above)
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| - | *** AddedTestRunToRepository(ITestRun)
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| - | * '''TestCollector'''
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| - | ** Responsibility: Collects the relevant information for running tests. (rephrased: In order to run a test, no one has to go back to the VBProject to look up something)
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| - | ** Input: Events from a component in VbeProjectManagement or just a list of all modules in the VBProject
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| - | ** Output: IObservable<ITest>/Events
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| - | *** FoundTestMethod(ITest)
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| - | *** LostTestMethod(ITest)
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| - | *** FoundTestRelatedMethod(IAttributedMethod)
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| - | *** LostTestRelatedMethod(IAttributedMethod)
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| - | ** maybe better name: ProjectScanner
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| - | *** there are not just the test classes itself, but also the test-related modules
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| - | ** TestManager listens to the output and maintains the list of all test related info in the repository
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| - | * '''Repository.AllTests'''
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| - | ** Responsibility: Represents the current structure of the VBProject with respect to tests
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| - | ** Flat list (no fixture-tests hierarchy), hierarchies must be derived by UI components
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| - | ** Input: Method calls by the TestManager
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| - | ** Output: Enumeration/IObservable<ITest>/Events:
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| - | *** AddedTest(ITest)
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| - | *** RemovedTest(ITest)
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| - | *** Cleared
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| - | * '''Repository.TestRelated''' (NOT IN THE DRAWING)
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| - | ** Responsibility: Represents all modules in the VBProject that are just test-related, but not actually test fixtures.
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| - | ** global info needed by the TestRunner
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| - | ** Input: method calls by the TestManager in reaction to events from TestCollector
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| - | ** Output: none
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| - | ** The TestManager instantiates the TestRunner for each run with this information
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| - | * '''TestRunner'''
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| - | ** Responsibility: Coordinates the calls to the methods of the test suite (tests and tag hook handler)
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| - | ** Note: Its the TestExecutor that actually invokes the methods via COM, not the TestRunner!
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| - | ** Input:
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| - | *** List of tests (subset of test in Repository.AllTests)
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| - | *** List of test related modules (Repository.TestRelated)
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| - | ** Output: IObservable<ITestResult>/Events
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| - | *** StartingTestRun(bool cancel)
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| - | *** StartedTestRun(ITestRun)
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| - | *** TagSetChanged(IEnumerable<ITagChangeInfo>)
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| - | *** FinishedTestRun(ITestRun)
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| - | *** ITestRun steadiliy populated during the test run
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| - | ** The calling of tag hook handlers (see below) is also managed by the TestRunner
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| - | * '''TestExecutor'''
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| - | ** Responsibility: Is able to instantiate classes and invoke methods and understands exceptions from failed assertions
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| - | * Input:
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| - | ** name of the class to instantiate/terminate
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| - | ** name of the method to execute (along with parameters in the case of a call for a row test)
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| - | ** Don't use ITest to pass the input parameters.
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| - | *** That's too much (attributes not needed generally, rowdata needed without name of the row or ignored state)
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| - | *** DIFFERENT FROM THE DRAWING
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| - | * Output:
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| - | ** True: method call succeeded
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| - | ** False: an assertion failed (assertion message is provided to the TestRunner)
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| - | ** Non-Assert exceptions are passed to the TestRunner as is
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| - | *** Future extension point: special handling for exceptions
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| - | === Conceptual ===
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| - | * No support of FixtureSetup/FixtureTeardown
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| - | ** Seldom used, and when, then often misused (violating independency of tests)
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| - | ** More global setup/cleanup (as setting up backend for test) via tag-hooks
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| - | * Tags applied on module level inherit to all children (test methods and rows in row tests)
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| - | * Support for tag hierarchies?
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| - | ** path notation: e.g. DatabaseTests/ADO/Oracle
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| - | * No guarantee how often a test class will be instantiated during a test run
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| - | ** discourage to use class scope (Initialize/Terminate and Fields)
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| - | * Tag Hooks
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| - | ** Every time a tag appears during a test run, a setup tag-hook is called (if available)
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| - | ** Every time a tag vanishes during a test run, a teardown tag-hook is called (if available)
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| - | ** Tag hook handler
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| - | *** reside in class modules annotated with AccUnit:TestRelated
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| - | *** are tagged with AccUnit:Setup("MyTag"), and AccUnit:Teardown("MyTag"), resp.
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| - | * Test related modules (AccUnit:TestRelated) can be standard modules or class modules
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| - | ** Test related modules with tag hooks (AccUnit:Setup("MyTag"), AccUnit:Teardown("MyTag")) must reside in class modules
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| - | *** This helps to avoid global state enduring over the end of a test run (still could be done by copy state to fields in standard module)
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| - | === Technical ===
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| - | * New assembly AccUnit.Framework
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| - | ** No References to COM (SimplyVbUnit/Access/TLI)
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| - | * No IFixture
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| - | ** By now, no relevant information besides the name
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| - | ** The name of the fixture is a property of ITest
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| - | * AccUnit:Rollback and AccUnit:ClickingMsgBox implemented as kind of plugins to the structure
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| - | === Data structures ===
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| - | * IAttributedMethod
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| - | ** modulename
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| - | ** methodname
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| - | ** attributes
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| - | * ITest
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| - | ** fixturename
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| - | ** methodname
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| - | ** attributes
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| - | ** tags (specialized subset of attributes)
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| - | ** rowdata (specialized subset of attributes)
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| - | * ITestRun
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| - | ** ProjectInfo (Name of the file, version info?, ...)
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| - | ** List<ITestResult>
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| - | ** State (prepared, running, finished, canceled, aborted)
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| - | ** StartedAt
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| - | ** EndedAt
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| - | ** Summary
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| - | * ITagChangeInfo
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| - | ** Tag (string)
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| - | ** Change (appeared/disappeared)
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| - | *ITestResult
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| - | ** ITest
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| - | ** status (success, failed, error, ignored) ... error = runtime error; failed = error by asserts
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| - | ** message (??? rowtest: summary or null ?)
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| - | ** rowdata (testresults of rows)
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| - | ** StartedAt
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| - | ** EndedAt
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| - | ** Summary ??? ... summary of row tests?
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| - | === Open issues ===
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| - | * Test Reactive Extensions in a VBE AddIn
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