gambas-source-code/main/lib/test/gb.test/.src/TestSuite/Test.module
Tobias Boege 44a6c2462a gb.test: Show bad plans in summary
[GB.TEST]
* NEW: Show bad plans in summary.
* BUG: Set recently added TestAssertion properties from TapPrinter as well.
2020-06-07 00:43:44 +02:00

489 lines
13 KiB
Text

' Gambas module file
Export
Class __Test
''' The class Test is the central class which orchestrates
''' the execution of tests and also gives a couple of tools to
''' manipulate running tests.
'' Special value for unspecified test plan
Public Const NO_PLAN As Integer = -1
Property Read _Printer As TapPrinter
Property Read _Finished As Boolean
Property _Next As TestAssertion
Public _InSetup As Boolean
Private $hPrinter As New TapPrinter
Private $hNext As TestAssertion
Private $Suite As TestSuite
'' Used to trigger Test.Main to print all tests as comma separated string.
Public Const _TRIGGER_GET_ALLTESTS As String = "#GetAllTests"
'' The static procedure Test.Main() runs tests. By default it runs all tests (aka testmethods) in all
'' testmodules of a project ordered by name and prints the result to stdout.
''
'' A testmodule is a special class with the ending test. It must contain at minimum one test.
''
'' A test is a public sub in a testmodule whose name does not contain an underscore.
''
'' On the command line the interpreter is commanded with this line to execute Test.Main():
''
'' gbx3 -T "*" /path/to/project
''
'' The optional argument ca be used to create a testsuite which chooses any
'' combination of testmodule and test(s). The format of the string is like so: Testmodules
'' are separated by a comma. If not all tests of a testmodule should be called then the
'' name of the testmodule is followed by a dot and a string containing the tests separated
'' by a semikolon. For example:
''
'' gbx3 -T "testmodule1,testmodule2.test1;test2,testmodule3" /path/to/project
''
'' In the Gambas IDE one is able to define testsuites and store them with a individual name
'' in a file named ".test" in the project's path.
''
'' A test suite stored like that can be called by it's name with a preceeding "@", for example:
''
'' gbx3 -T "$My production testsuite1" /path/to/project
''
'' Public methods called "_Setup", "_Teardown", "_SetupEach" or "_TeardownEach" inside a testmodule
'' can be used to create a testfixture, which defines a special environment for the tests.
Public Sub Main(Optional Tests As String)
Dim sTestsuite As String
If Not Tests Then
'prints the names of all testmodules
PrintAllTestModules()
Return
Endif
If Tests = _TRIGGER_GET_ALLTESTS Then
Print AllTests()
Return
Endif
If Tests = "*" Then
'triggers all tests
Tests = ""
Endif
If Tests Begins "@" Then
'a test suite was called by name
sTestsuite = Tests
Tests = Helper.GetTestSuiteByName(Tests)
Endif
' run tests
Test._Reset() ' only if you run this Main multiple times per process, which you shouldn't
If Tests Then
FromString(Tests)
Endif
RunTests()
If sTestsuite Then
sTestsuite = Replace(sTestsuite, "@", "Testsuite: ")
$hPrinter.Session.Summary.Description = sTestsuite
Else
$hPrinter.Session.Summary.Description = TestCommand.ToString(TestCommand.FromString(Tests))
Endif
PrintSummary()
Quit ExitCode()
TheEnd:
Catch
Test.BailOut(Error.Text)
End
Private Sub PrintSummary()
With $hPrinter.Session
Test._Print(Null) ' better readability for humans
' even if the tests came in unsorted, print it sorted
Test.Note(Subst$(("Ran '&1' "), TestCommand.ToString(TestCommand.FromString(.Summary.Description))))
If .TestsRun <> .Plan Then Test.Note(Subst$(("Planned &1 tests but ran &2"), .Plan, .TestsRun))
Test.Note(gb.Lf)
ShowTestCollection(("&1 skipped:"), FindSkips(.Summary.Subtests, ""))
ShowTestCollection(("&1 todo:"), FindTodos(.Summary.Subtests, ""))
ShowTestCollection(("&1 bonus:"), FindBonus(.Summary.Subtests, ""))
If Not .Summary.Success Then
ShowTestCollection(("&1 test plans failed:"), FindBadPlans(.Summary.Subtests, ""))
ShowTestCollection(("&1 tests failed:"), FindFailures(.Summary.Subtests, ""))
Endif
Test.Note(IIf(.Summary.Success, "PASSED", "FAILED"))
End With
End
Private Function ExitCode() As Integer
Return IIf($hPrinter.Session.Summary.Success, 0, 1)
End
'' Prints a Collection[] of tests as returned by FindFailures, FindSkips, FindTodos.
'' _Description_ can contain '&1' which is substituted for _TestCollection_.Count.
Private Sub ShowTestCollection(Description As String, TestCollection As Collection[])
Dim cTest As Collection
If TestCollection.Count Then
Test.Note(Subst$(Description, TestCollection.Count))
For Each cTest In TestCollection
Dim hTest As TestAssertion = cTest!Assertion
Dim sName, sNote As String
sName = hTest.Description
If cTest["Note"] Then
sNote = Subst$((": &1"), cTest["Note"])
Else If hTest.Comment Then
sNote = Subst$(("# &1"), hTest.Comment)
Endif
Test.Note(Subst$(("&2: &1 -- &3&4"), cTest["Path"], hTest.Id, sName, IIf(sNote, " " & sNote, "")))
Next
Test.Note(gb.Lf)
Endif
End
Private Function FindBadPlans(Tests As TestAssertion[], Prefix As String) As Collection[]
Dim hTest As TestAssertion
Dim sName As String
Dim aRet As New Collection[]
For Each hTest In Tests
sName = Prefix &/ hTest.Description
If hTest.Subtests.Count <> hTest.SubPlanned Then aRet.Add(["Path": Prefix, "Assertion": hTest, "Note": Subst$(("Planned &1 but ran &2"), hTest.SubPlanned, hTest.Subtests.Count)])
aRet.Insert(FindBadPlans(hTest.Subtests, sName))
Next
Return aRet
End
Private Function FindFailures(Tests As TestAssertion[], Prefix As String) As Collection[]
Dim hTest As TestAssertion
Dim sName As String
Dim aRet As New Collection[]
For Each hTest In Tests
sName = Prefix &/ hTest.Description
' Only show the deepest subtests that caused failures.
If Not hTest.Success And If Not hTest.Subtests.Count Then aRet.Add(["Path": Prefix, "Assertion": hTest])
aRet.Insert(FindFailures(hTest.Subtests, sName))
Next
Return aRet
End
Private Function FindSkips(Tests As TestAssertion[], Prefix As String) As Collection[]
Dim hTest As TestAssertion
Dim sName As String
Dim aRet As New Collection[]
For Each hTest In Tests
sName = Prefix &/ hTest.Description
If hTest.Directive = TestAssertion.SKIP Then aRet.Add(["Path": Prefix, "Assertion": hTest])
aRet.Insert(FindSkips(hTest.Subtests, sName))
Next
Return aRet
End
Private Function FindTodos(Tests As TestAssertion[], Prefix As String) As Collection[]
Dim hTest As TestAssertion
Dim sName As String
Dim aRet As New Collection[]
For Each hTest In Tests
sName = Prefix &/ hTest.Description
If hTest.Directive = TestAssertion.TODO And If Not hTest.Ok Then aRet.Add(["Path": Prefix, "Assertion": hTest])
aRet.Insert(FindTodos(hTest.Subtests, sName))
Next
Return aRet
End
Private Function FindBonus(Tests As TestAssertion[], Prefix As String) As Collection[]
Dim hTest As TestAssertion
Dim sName As String
Dim aRet As New Collection[]
For Each hTest In Tests
sName = Prefix &/ hTest.Description
If hTest.Directive = TestAssertion.TODO And If hTest.Ok Then aRet.Add(["Path": Prefix, "Assertion": hTest])
aRet.Insert(FindBonus(hTest.Subtests, sName))
Next
Return aRet
End
'' Run all tests in $Suite. If $Suite is Null, run all tests.
Private Function RunTests()
Dim Testmodule As Class
If Not $Suite Then
' create as Suite with all tests
$Suite = New TestSuite
For Each TestModule In GetAllTestModules()
$Suite.AddAllTestCases(TestModule)
Next
Endif
$Suite.Run()
If Not Test._Finished Then Test._Finish()
End
Private Function GetAllTestModules() As Class[]
Dim TestClass As Class
Dim TestModules As New Class[]
Dim aNames As New String[]
Dim sName As String
Component.Load("gb.util")
For Each sName In Dir(".../.gambas")
sName = Helper.CheckTestModule(sName)
If sName Then aNames.Add(sName)
Next
Assert aNames
aNames.Sort
For Each sName In aNames
TestClass = __Test.Load(sName)
If Not TestClass Then Error.Raise(Subst$(("Could not load test module '&1'"), sName))
TestModules.Add(TestClass)
Next
Return TestModules
Catch
Test.BailOut("Error in " & Error.Where & ": " & Error.Text)
End
'' Returns an collection of all the testmodules and their tests of the project.
'' Key is the name of the testmodule, Value is a string array with the names of the tests it contains
Public Function AllTestsCollection() As Collection
Dim aoTestModules As Class[]
Dim cAlltests As New Collection
Dim oTestModule As Class
aoTestModules = GetAllTestModules()
For Each oTestModule In aoTestModules
cAlltests.Add(TestSuite.GetTestsFromTestModule(oTestModule), oTestModule.Name)
Next
Return cAlltests
End
'' Returns a comma separated string with all tests of the project in the same way Test.Main() wants it.
Public Function AllTests() As String
Dim tests As Collection
Dim asTests As String[]
Dim asLines As New String[]
Dim sModule As String
tests = AllTestsCollection()
For Each tests
sModule = tests.Key
asTests = tests[tests.Key]
asTests.Sort
If asTests.Count > 0 Then
asLines.Add(sModule & "." & asTests.Join(";"))
Endif
Next
asLines.Sort()
Return asLines.Join(",")
End
' ------------------------------------------------- Test controls
'' Prints "Bail out!" to Stdout and stops all testing immediately.
Public Sub BailOut(Optional Comment As String)
$hPrinter.BailOut(Comment)
Quit 1
End
'' Synonym for Note, prints Comment with leading #
Public Sub Diagnostic(Comment As String)
$hPrinter.Diagnostic(Comment)
End
'' If the next assertion is a failure it reports ok.
'' In other words: Reverses the result of the following assertion.
'' "not ok" will be "ok" and vice versa.
Public Sub IntendedFailure()
Assert._IntendedFailure = True
End
'' Synonym for Diagnostic, prints Comment with leading #
Public Sub Note(Comment As String)
$hPrinter.Note(Comment)
End
'' Tell the testing system that the next assertion is a TODO.
'' Even if it fails it reports ok, but will be reported as Todo.
'' If the next assertion does not fail, it will be reported as bonus.
Public Sub Todo(Optional Comment As String)
Test._Next.Directive = TestAssertion.TODO
Test._Next.Comment = Comment
End
'' Tell the testing system that a test is skipped. Reports ok.
Public Sub Skip(Optional Comment As String)
Test._Next.Directive = TestAssertion.SKIP
Test._Next.Comment = Comment
Assert.Pass()
End
'' Prints Line to Stdout
Public Sub _Print({Line} As String)
$hPrinter.Print({Line})
End
Private Function _Printer_Read() As TapPrinter
Return $hPrinter
End
Private Function _Finished_Read() As Boolean
Return $hPrinter.Session.Finished
End
Public Sub _Reset()
$hPrinter = New TapPrinter As "Printer"
End
Private Function _Next_Read() As TestAssertion
If $hNext = Null Then
$hNext = New TestAssertion
Endif
Return $hNext
End
Private Sub _Next_Write(Value As TestAssertion)
$hNext = Value
End
Public Sub _Subtest(Description As String, Optional Tests As Integer, Optional Comment As String)
Test._Printer.Subtest(Description, Tests, Comment)
End
'' Plan the number of assertions within a test method.
'' If the number is not correct, the test fails.
Public Sub Plan(Tests As Integer, Optional Comment As String)
Test._Printer.Plan(Tests, Comment)
End
'' Skip the current test.
Public Sub SkipAll(Optional Comment As String)
Test._Printer.SkipAll(Comment)
End
Public Sub _Finish()
Test._Printer.Finish()
End
Private Sub PrintAllTestModules()
Dim sName As String
Dim aTest As New String[]
Component.Load("gb.util")
For Each sName In Dir(".../.gambas")
sName = Helper.CheckTestModule(sName)
If sName Then aTest.Add(sName)
Next
Print aTest.Join();
End
'Fill suite from String
Private Sub FromString(Tests As String)
Dim Commands As TestCommand[]
Dim Command As TestCommand
Dim TestModule As Class
Dim sName As String
Commands = TestCommand.FromString(Tests)
$Suite = New TestSuite
For Each Command In Commands
With Command
TestModule = __Test.Load(.ModuleName)
If Command.Methods.Count = 0 Then
Command.Methods = $Suite.GetTestsFromTestModule(TestModule)
Endif
For Each sName In Command.Methods
$Suite.AddTestCase(sName, Testmodule)
Next
End With
Next
End