From 3820593bb8dfdca4e2e17c70b278065b7f7894d9 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Wed, 29 Mar 2006 10:25:48 +0000
Subject: bringing cxxtest-3.10.1 to ScummVM's main branch

svn-id: r21488
---
 test/cxxtest/cxxtestgen.py | 593 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 593 insertions(+)
 create mode 100755 test/cxxtest/cxxtestgen.py

(limited to 'test/cxxtest/cxxtestgen.py')

diff --git a/test/cxxtest/cxxtestgen.py b/test/cxxtest/cxxtestgen.py
new file mode 100755
index 0000000000..831d23ab41
--- /dev/null
+++ b/test/cxxtest/cxxtestgen.py
@@ -0,0 +1,593 @@
+#!/usr/bin/python
+'''Usage: %s [OPTIONS] <input file(s)>
+Generate test source file for CxxTest.
+
+  -v, --version          Write CxxTest version
+  -o, --output=NAME      Write output to file NAME
+  --runner=CLASS         Create a main() function that runs CxxTest::CLASS
+  --gui=CLASS            Like --runner, with GUI component
+  --error-printer        Same as --runner=ErrorPrinter
+  --abort-on-fail        Abort tests on failed asserts (like xUnit)
+  --have-std             Use standard library (even if not found in tests)
+  --no-std               Don\'t use standard library (even if found in tests)
+  --have-eh              Use exception handling (even if not found in tests)
+  --no-eh                Don\'t use exception handling (even if found in tests)
+  --longlong=[TYPE]      Use TYPE (default: long long) as long long
+  --template=TEMPLATE    Use TEMPLATE file to generate the test runner
+  --include=HEADER       Include HEADER in test runner before other headers
+  --root                 Write CxxTest globals
+  --part                 Don\'t write CxxTest globals
+  --no-static-init       Don\'t rely on static initialization
+'''
+
+import re
+import sys
+import getopt
+import glob
+import string
+
+# Global variables
+suites = []
+suite = None
+inBlock = 0
+
+outputFileName = None
+runner = None
+gui = None
+root = None
+part = None
+noStaticInit = None
+templateFileName = None
+headers = []
+
+haveExceptionHandling = 0
+noExceptionHandling = 0
+haveStandardLibrary = 0
+noStandardLibrary = 0
+abortOnFail = 0
+factor = 0
+longlong = 0
+
+def main():
+    '''The main program'''
+    files = parseCommandline()
+    scanInputFiles( files )
+    writeOutput()
+
+def usage( problem = None ):
+    '''Print usage info and exit'''
+    if problem is None:
+        print usageString()
+        sys.exit(0)
+    else:
+        sys.stderr.write( usageString() )
+        abort( problem )
+
+def usageString():
+    '''Construct program usage string'''
+    return __doc__ % sys.argv[0]
+
+def abort( problem ):
+    '''Print error message and exit'''
+    sys.stderr.write( '\n' )
+    sys.stderr.write( problem )
+    sys.stderr.write( '\n\n' )
+    sys.exit(2)
+
+def parseCommandline():
+    '''Analyze command line arguments'''
+    try:
+        options, patterns = getopt.getopt( sys.argv[1:], 'o:r:',
+                                           ['version', 'output=', 'runner=', 'gui=',
+                                            'error-printer', 'abort-on-fail', 'have-std', 'no-std',
+                                            'have-eh', 'no-eh', 'template=', 'include=',
+                                            'root', 'part', 'no-static-init', 'factor', 'longlong='] )
+    except getopt.error, problem:
+        usage( problem )
+    setOptions( options )
+    return setFiles( patterns )
+
+def setOptions( options ):
+    '''Set options specified on command line'''
+    global outputFileName, templateFileName, runner, gui, haveStandardLibrary, factor, longlong
+    global haveExceptionHandling, noExceptionHandling, abortOnFail, headers, root, part, noStaticInit
+    for o, a in options:
+        if o in ('-v', '--version'):
+            printVersion()
+        elif o in ('-o', '--output'):
+            outputFileName = a
+        elif o == '--template':
+            templateFileName = a
+        elif o == '--runner':
+            runner = a
+        elif o == '--gui':
+            gui = a
+        elif o == '--include':
+            if not re.match( r'^["<].*[>"]$', a ):
+                a = ('"%s"' % a)
+            headers.append( a )
+        elif o == '--error-printer':
+            runner = 'ErrorPrinter'
+            haveStandardLibrary = 1
+        elif o == '--abort-on-fail':
+            abortOnFail = 1
+        elif o == '--have-std':
+            haveStandardLibrary = 1
+        elif o == '--no-std':
+            noStandardLibrary = 1
+        elif o == '--have-eh':
+            haveExceptionHandling = 1
+        elif o == '--no-eh':
+            noExceptionHandling = 1
+        elif o == '--root':
+            root = 1
+        elif o == '--part':
+            part = 1
+        elif o == '--no-static-init':
+            noStaticInit = 1
+        elif o == '--factor':
+            factor = 1
+        elif o == '--longlong':
+            if a:
+                longlong = a
+            else:
+                longlong = 'long long'
+
+    if noStaticInit and (root or part):
+        abort( '--no-static-init cannot be used with --root/--part' )
+
+    if gui and not runner:
+        runner = 'StdioPrinter'
+
+def printVersion():
+    '''Print CxxTest version and exit'''
+    sys.stdout.write( "This is CxxTest version 3.10.1.\n" )
+    sys.exit(0)
+
+def setFiles( patterns ):
+    '''Set input files specified on command line'''
+    files = expandWildcards( patterns )
+    if len(files) is 0 and not root:
+        usage( "No input files found" )
+    return files
+
+def expandWildcards( patterns ):
+    '''Expand all wildcards in an array (glob)'''
+    fileNames = []
+    for pathName in patterns:
+        patternFiles = glob.glob( pathName )
+        for fileName in patternFiles:
+            fileNames.append( fixBackslashes( fileName ) )
+    return fileNames
+
+def fixBackslashes( fileName ):
+    '''Convert backslashes to slashes in file name'''
+    return re.sub( r'\\', '/', fileName, 0 )
+
+def scanInputFiles(files):
+    '''Scan all input files for test suites'''
+    for file in files:
+        scanInputFile(file)
+    global suites
+    if len(suites) is 0 and not root:
+        abort( 'No tests defined' )
+
+def scanInputFile(fileName):
+    '''Scan single input file for test suites'''
+    file = open(fileName)
+    lineNo = 0
+    while 1:
+        line = file.readline()
+        if not line:
+            break
+        lineNo = lineNo + 1
+
+        scanInputLine( fileName, lineNo, line )
+    closeSuite()
+    file.close()
+
+def scanInputLine( fileName, lineNo, line ):
+    '''Scan single input line for interesting stuff'''
+    scanLineForExceptionHandling( line )
+    scanLineForStandardLibrary( line )
+
+    scanLineForSuiteStart( fileName, lineNo, line )
+
+    global suite
+    if suite:
+        scanLineInsideSuite( suite, lineNo, line )
+
+def scanLineInsideSuite( suite, lineNo, line ):
+    '''Analyze line which is part of a suite'''
+    global inBlock
+    if lineBelongsToSuite( suite, lineNo, line ):
+        scanLineForTest( suite, lineNo, line )
+        scanLineForCreate( suite, lineNo, line )
+        scanLineForDestroy( suite, lineNo, line )
+
+def lineBelongsToSuite( suite, lineNo, line ):
+    '''Returns whether current line is part of the current suite.
+    This can be false when we are in a generated suite outside of CXXTEST_CODE() blocks
+    If the suite is generated, adds the line to the list of lines'''
+    if not suite['generated']:
+        return 1
+
+    global inBlock
+    if not inBlock:
+        inBlock = lineStartsBlock( line )
+    if inBlock:
+        inBlock = addLineToBlock( suite, lineNo, line )
+    return inBlock
+
+
+std_re = re.compile( r"\b(std\s*::|CXXTEST_STD|using\s+namespace\s+std\b|^\s*\#\s*include\s+<[a-z0-9]+>)" )
+def scanLineForStandardLibrary( line ):
+    '''Check if current line uses standard library'''
+    global haveStandardLibrary, noStandardLibrary
+    if not haveStandardLibrary and std_re.search(line):
+        if not noStandardLibrary:
+            haveStandardLibrary = 1
+
+exception_re = re.compile( r"\b(throw|try|catch|TSM?_ASSERT_THROWS[A-Z_]*)\b" )
+def scanLineForExceptionHandling( line ):
+    '''Check if current line uses exception handling'''
+    global haveExceptionHandling, noExceptionHandling
+    if not haveExceptionHandling and exception_re.search(line):
+        if not noExceptionHandling:
+            haveExceptionHandling = 1
+
+suite_re = re.compile( r'\bclass\s+(\w+)\s*:\s*public\s+((::)?\s*CxxTest\s*::\s*)?TestSuite\b' )
+generatedSuite_re = re.compile( r'\bCXXTEST_SUITE\s*\(\s*(\w*)\s*\)' )
+def scanLineForSuiteStart( fileName, lineNo, line ):
+    '''Check if current line starts a new test suite'''
+    m = suite_re.search( line )
+    if m:
+        startSuite( m.group(1), fileName, lineNo, 0 )
+    m = generatedSuite_re.search( line )
+    if m:
+        sys.stdout.write( "%s:%s: Warning: Inline test suites are deprecated.\n" % (fileName, lineNo) )
+        startSuite( m.group(1), fileName, lineNo, 1 )
+
+def startSuite( name, file, line, generated ):
+    '''Start scanning a new suite'''
+    global suite
+    closeSuite()
+    suite = { 'name'         : name,
+              'file'         : file,
+              'cfile'        : cstr(file),
+              'line'         : line,
+              'generated'    : generated,
+              'object'       : 'suite_%s' % name,
+              'dobject'      : 'suiteDescription_%s' % name,
+              'tlist'        : 'Tests_%s' % name,
+              'tests'        : [],
+              'lines'        : [] }
+
+def lineStartsBlock( line ):
+    '''Check if current line starts a new CXXTEST_CODE() block'''
+    return re.search( r'\bCXXTEST_CODE\s*\(', line ) is not None
+
+test_re = re.compile( r'^([^/]|/[^/])*\bvoid\s+([Tt]est\w+)\s*\(\s*(void)?\s*\)' )
+def scanLineForTest( suite, lineNo, line ):
+    '''Check if current line starts a test'''
+    m = test_re.search( line )
+    if m:
+        addTest( suite, m.group(2), lineNo )
+
+def addTest( suite, name, line ):
+    '''Add a test function to the current suite'''
+    test = { 'name'   : name,
+             'suite'  : suite,
+             'class'  : 'TestDescription_%s_%s' % (suite['name'], name),
+             'object' : 'testDescription_%s_%s' % (suite['name'], name),
+             'line'   : line,
+             }
+    suite['tests'].append( test )
+
+def addLineToBlock( suite, lineNo, line ):
+    '''Append the line to the current CXXTEST_CODE() block'''
+    line = fixBlockLine( suite, lineNo, line )
+    line = re.sub( r'^.*\{\{', '', line )
+    
+    e = re.search( r'\}\}', line )
+    if e:
+        line = line[:e.start()]
+    suite['lines'].append( line )
+    return e is None
+
+def fixBlockLine( suite, lineNo, line):
+    '''Change all [E]TS_ macros used in a line to _[E]TS_ macros with the correct file/line'''
+    return re.sub( r'\b(E?TSM?_(ASSERT[A-Z_]*|FAIL))\s*\(',
+                   r'_\1(%s,%s,' % (suite['cfile'], lineNo),
+                   line, 0 )
+
+create_re = re.compile( r'\bstatic\s+\w+\s*\*\s*createSuite\s*\(\s*(void)?\s*\)' )
+def scanLineForCreate( suite, lineNo, line ):
+    '''Check if current line defines a createSuite() function'''
+    if create_re.search( line ):
+        addSuiteCreateDestroy( suite, 'create', lineNo )
+
+destroy_re = re.compile( r'\bstatic\s+void\s+destroySuite\s*\(\s*\w+\s*\*\s*\w*\s*\)' )
+def scanLineForDestroy( suite, lineNo, line ):
+    '''Check if current line defines a destroySuite() function'''
+    if destroy_re.search( line ):
+        addSuiteCreateDestroy( suite, 'destroy', lineNo )
+
+def cstr( str ):
+    '''Convert a string to its C representation'''
+    return '"' + string.replace( str, '\\', '\\\\' ) + '"'
+
+
+def addSuiteCreateDestroy( suite, which, line ):
+    '''Add createSuite()/destroySuite() to current suite'''
+    if suite.has_key(which):
+        abort( '%s:%s: %sSuite() already declared' % ( suite['file'], str(line), which ) )
+    suite[which] = line
+
+def closeSuite():
+    '''Close current suite and add it to the list if valid'''
+    global suite
+    if suite is not None:
+        if len(suite['tests']) is not 0:
+            verifySuite(suite)
+            rememberSuite(suite)
+        suite = None
+
+def verifySuite(suite):
+    '''Verify current suite is legal'''
+    if suite.has_key('create') and not suite.has_key('destroy'):
+        abort( '%s:%s: Suite %s has createSuite() but no destroySuite()' %
+               (suite['file'], suite['create'], suite['name']) )
+    if suite.has_key('destroy') and not suite.has_key('create'):
+        abort( '%s:%s: Suite %s has destroySuite() but no createSuite()' %
+               (suite['file'], suite['destroy'], suite['name']) )
+
+def rememberSuite(suite):
+    '''Add current suite to list'''
+    global suites
+    suites.append( suite )
+
+def writeOutput():
+    '''Create output file'''
+    if templateFileName:
+        writeTemplateOutput()
+    else:
+        writeSimpleOutput()
+
+def writeSimpleOutput():
+    '''Create output not based on template'''
+    output = startOutputFile()
+    writePreamble( output )
+    writeMain( output )
+    writeWorld( output )
+    output.close()
+
+include_re = re.compile( r"\s*\#\s*include\s+<cxxtest/" )
+preamble_re = re.compile( r"^\s*<CxxTest\s+preamble>\s*$" )
+world_re = re.compile( r"^\s*<CxxTest\s+world>\s*$" )
+def writeTemplateOutput():
+    '''Create output based on template file'''
+    template = open(templateFileName)
+    output = startOutputFile()
+    while 1:
+        line = template.readline()
+        if not line:
+            break;
+        if include_re.search( line ):
+            writePreamble( output )
+            output.write( line )
+        elif preamble_re.search( line ):
+            writePreamble( output )
+        elif world_re.search( line ):
+            writeWorld( output )
+        else:
+            output.write( line )
+    template.close()
+    output.close()
+
+def startOutputFile():
+    '''Create output file and write header'''
+    if outputFileName is not None:
+        output = open( outputFileName, 'w' )
+    else:
+        output = sys.stdout
+    output.write( "/* Generated file, do not edit */\n\n" )
+    return output
+
+wrotePreamble = 0
+def writePreamble( output ):
+    '''Write the CxxTest header (#includes and #defines)'''
+    global wrotePreamble, headers, longlong
+    if wrotePreamble: return
+    output.write( "#ifndef CXXTEST_RUNNING\n" )
+    output.write( "#define CXXTEST_RUNNING\n" )
+    output.write( "#endif\n" )
+    output.write( "\n" )
+    if haveStandardLibrary:
+        output.write( "#define _CXXTEST_HAVE_STD\n" )
+    if haveExceptionHandling:
+        output.write( "#define _CXXTEST_HAVE_EH\n" )
+    if abortOnFail:
+        output.write( "#define _CXXTEST_ABORT_TEST_ON_FAIL\n" )
+    if longlong:
+        output.write( "#define _CXXTEST_LONGLONG %s\n" % longlong )
+    if factor:
+        output.write( "#define _CXXTEST_FACTOR\n" )
+    for header in headers:
+        output.write( "#include %s\n" % header )
+    output.write( "#include <cxxtest/TestListener.h>\n" )
+    output.write( "#include <cxxtest/TestTracker.h>\n" )
+    output.write( "#include <cxxtest/TestRunner.h>\n" )
+    output.write( "#include <cxxtest/RealDescriptions.h>\n" )
+    if runner:
+        output.write( "#include <cxxtest/%s.h>\n" % runner )
+    if gui:
+        output.write( "#include <cxxtest/%s.h>\n" % gui )
+    output.write( "\n" )
+    wrotePreamble = 1
+
+def writeMain( output ):
+    '''Write the main() function for the test runner'''
+    if gui:
+        output.write( 'int main( int argc, char *argv[] ) {\n' )
+        if noStaticInit:
+            output.write( ' CxxTest::initialize();\n' )
+        output.write( ' return CxxTest::GuiTuiRunner<CxxTest::%s, CxxTest::%s>( argc, argv ).run();\n' % (gui, runner) )
+        output.write( '}\n' )
+    elif runner:
+        output.write( 'int main() {\n' )
+        if noStaticInit:
+            output.write( ' CxxTest::initialize();\n' )
+        output.write( ' return CxxTest::%s().run();\n' % runner )
+        output.write( '}\n' )
+
+wroteWorld = 0
+def writeWorld( output ):
+    '''Write the world definitions'''
+    global wroteWorld, part
+    if wroteWorld: return
+    writePreamble( output )
+    writeSuites( output )
+    if root or not part:
+        writeRoot( output )
+    if noStaticInit:
+        writeInitialize( output )
+    wroteWorld = 1
+
+def writeSuites(output):
+    '''Write all TestDescriptions and SuiteDescriptions'''
+    for suite in suites:
+        writeInclude( output, suite['file'] )
+        if isGenerated(suite):
+            generateSuite( output, suite )
+        if isDynamic(suite):
+            writeSuitePointer( output, suite )
+        else:
+            writeSuiteObject( output, suite )
+        writeTestList( output, suite )
+        writeSuiteDescription( output, suite )
+        writeTestDescriptions( output, suite )
+
+def isGenerated(suite):
+    '''Checks whether a suite class should be created'''
+    return suite['generated']
+
+def isDynamic(suite):
+    '''Checks whether a suite is dynamic'''
+    return suite.has_key('create')
+
+lastIncluded = ''
+def writeInclude(output, file):
+    '''Add #include "file" statement'''
+    global lastIncluded
+    if file == lastIncluded: return
+    output.writelines( [ '#include "', file, '"\n\n' ] )
+    lastIncluded = file
+
+def generateSuite( output, suite ):
+    '''Write a suite declared with CXXTEST_SUITE()'''
+    output.write( 'class %s : public CxxTest::TestSuite {\n' % suite['name'] )
+    output.write( 'public:\n' )
+    for line in suite['lines']:
+        output.write(line)
+    output.write( '};\n\n' )
+
+def writeSuitePointer( output, suite ):
+    '''Create static suite pointer object for dynamic suites'''
+    if noStaticInit:
+        output.write( 'static %s *%s;\n\n' % (suite['name'], suite['object']) )
+    else:
+        output.write( 'static %s *%s = 0;\n\n' % (suite['name'], suite['object']) )
+
+def writeSuiteObject( output, suite ):
+    '''Create static suite object for non-dynamic suites'''
+    output.writelines( [ "static ", suite['name'], " ", suite['object'], ";\n\n" ] )
+
+def writeTestList( output, suite ):
+    '''Write the head of the test linked list for a suite'''
+    if noStaticInit:
+        output.write( 'static CxxTest::List %s;\n' % suite['tlist'] )
+    else:
+        output.write( 'static CxxTest::List %s = { 0, 0 };\n' % suite['tlist'] )
+
+def writeTestDescriptions( output, suite ):
+    '''Write all test descriptions for a suite'''
+    for test in suite['tests']:
+        writeTestDescription( output, suite, test )
+
+def writeTestDescription( output, suite, test ):
+    '''Write test description object'''
+    output.write( 'static class %s : public CxxTest::RealTestDescription {\n' % test['class'] )
+    output.write( 'public:\n' )
+    if not noStaticInit:
+        output.write( ' %s() : CxxTest::RealTestDescription( %s, %s, %s, "%s" ) {}\n' %
+                      (test['class'], suite['tlist'], suite['dobject'], test['line'], test['name']) )
+    output.write( ' void runTest() { %s }\n' % runBody( suite, test ) )
+    output.write( '} %s;\n\n' % test['object'] )
+
+def runBody( suite, test ):
+    '''Body of TestDescription::run()'''
+    if isDynamic(suite): return dynamicRun( suite, test )
+    else: return staticRun( suite, test )
+
+def dynamicRun( suite, test ):
+    '''Body of TestDescription::run() for test in a dynamic suite'''
+    return 'if ( ' + suite['object'] + ' ) ' + suite['object'] + '->' + test['name'] + '();'
+    
+def staticRun( suite, test ):
+    '''Body of TestDescription::run() for test in a non-dynamic suite'''
+    return suite['object'] + '.' + test['name'] + '();'
+    
+def writeSuiteDescription( output, suite ):
+    '''Write SuiteDescription object'''
+    if isDynamic( suite ):
+        writeDynamicDescription( output, suite )
+    else:
+        writeStaticDescription( output, suite )
+
+def writeDynamicDescription( output, suite ):
+    '''Write SuiteDescription for a dynamic suite'''
+    output.write( 'CxxTest::DynamicSuiteDescription<%s> %s' % (suite['name'], suite['dobject']) )
+    if not noStaticInit:
+        output.write( '( %s, %s, "%s", %s, %s, %s, %s )' %
+                      (suite['cfile'], suite['line'], suite['name'], suite['tlist'],
+                       suite['object'], suite['create'], suite['destroy']) )
+    output.write( ';\n\n' )
+
+def writeStaticDescription( output, suite ):
+    '''Write SuiteDescription for a static suite'''
+    output.write( 'CxxTest::StaticSuiteDescription %s' % suite['dobject'] )
+    if not noStaticInit:
+        output.write( '( %s, %s, "%s", %s, %s )' %
+                      (suite['cfile'], suite['line'], suite['name'], suite['object'], suite['tlist']) )
+    output.write( ';\n\n' )
+
+def writeRoot(output):
+    '''Write static members of CxxTest classes'''
+    output.write( '#include <cxxtest/Root.cpp>\n' )
+
+def writeInitialize(output):
+    '''Write CxxTest::initialize(), which replaces static initialization'''
+    output.write( 'namespace CxxTest {\n' )
+    output.write( ' void initialize()\n' )
+    output.write( ' {\n' )
+    for suite in suites:
+        output.write( '  %s.initialize();\n' % suite['tlist'] )
+        if isDynamic(suite):
+            output.write( '  %s = 0;\n' % suite['object'] )
+            output.write( '  %s.initialize( %s, %s, "%s", %s, %s, %s, %s );\n' %
+                          (suite['dobject'], suite['cfile'], suite['line'], suite['name'],
+                           suite['tlist'], suite['object'], suite['create'], suite['destroy']) )
+        else:
+            output.write( '  %s.initialize( %s, %s, "%s", %s, %s );\n' %
+                          (suite['dobject'], suite['cfile'], suite['line'], suite['name'],
+                           suite['object'], suite['tlist']) )
+
+        for test in suite['tests']:
+            output.write( '  %s.initialize( %s, %s, %s, "%s" );\n' %
+                          (test['object'], suite['tlist'], suite['dobject'], test['line'], test['name']) )
+
+    output.write( ' }\n' )
+    output.write( '}\n' )
+
+main()
-- 
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