- Added test driver

- Added some basic tests, mostly to test the driver itself


git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@254 014f5005-505e-4b48-8d0a-63407b615a7c

test/dates.query

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+dates

test/dates.result

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+"date"
+"2008-12-12"
+"2007-08-12"
+"1985-05-09"
+"1988-4-21"
+"1992-7-27"

test/driver.py

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+# -*- coding: utf-8 -*-
+# coding=UTF-8
+# Relational
+# Copyright (C) 2010  Salvo "LtWorf" Tomaselli
+# 
+# Relational is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# 
+# author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
+
+from relational import relation, parser, optimizer
+
+import os
+
+rels={}
+examples_path='samples/'
+tests_path='test/'
+
+def readfile(fname):
+    '''Reads a file as string and returns its content'''
+    fd=open(fname)
+    expr=fd.read()
+    fd.close()
+    return expr
+
+
+def load_relations():
+    '''Loads all the relations present in the directory indicated in the
+    examples_path variable and stores them in the rels dictionary'''
+    print "Loading relations"
+    for i in os.listdir(examples_path):
+        if i.endswith('.csv'): #It's a relation, loading it
+            
+            #Naming the relation
+            relname=i[:-4]
+            
+            print "Loading relation %s with name %s" % (i,relname)
+            
+            rels[relname]=relation.relation('%s%s' % (examples_path,i))
+            
+def execute_tests():
+    
+    py_bad=0
+    py_good=0
+    py_tot=0
+    q_bad=0
+    q_good=0
+    q_tot=0
+    
+    
+    for i in os.listdir(tests_path):
+        if i.endswith('.query'):
+            q_tot+=1
+            if run_test(i[:-6]):
+                q_good+=1
+            else:
+                q_bad+=1
+        elif i.endswith('.python'):
+            py_tot+=1
+            if run_py_test(i[:-7]):
+                py_good+=1
+            else:
+                py_bad+=1
+    print "\n\033[36;1mResume of the results\033[0m"
+    
+    print "\n\033[35;1mQuery tests\033[0m"
+    print "Total test count: %d" % q_tot
+    print "Passed tests: %d" % q_good
+    if q_bad>0:
+        print "\033[31;1mFailed tests count: %d\033[0m" % q_bad
+        
+    print "\n\033[35;1mPython tests\033[0m"
+    print "Total test count: %d" % py_tot
+    print "Passed tests: %d" % py_good
+    if py_bad>0:
+        print "\033[31;1mFailed tests count: %d\033[0m" % py_bad
+    
+    print "\n\033[36;1mTotal results\033[0m"
+    if q_bad+py_bad==0:
+        print "\033[32;1mNo failed tests\033[0m"
+    else:
+        print "\033[31;1mThere are %d failed tests\033[0m" % (py_bad+q_bad)
+        
+    
+def run_py_test(testname):
+    '''Runs a python test, which executes code directly rather than queries'''
+    print "Running python test: \033[35;1m%s\033[0m" % testname
+    
+    expr=readfile('%s%s.python' % (tests_path,testname))
+    result=eval(expr,rels) #Evaluating the expression
+    
+    expr=readfile('%s%s.result' % (tests_path,testname))
+    exp_result=eval(expr,rels) #Evaluating the expression
+    
+    if result==exp_result:
+        print "\033[32;1mTest passed\033[0m"
+        return True
+    else:
+        print "\033[31;1mERROR\033[0m"
+        print "\033[31;1m=====================================\033[0m"
+        print "Expected %s" % exp_result
+        print "Got %s" % result
+        print "\033[31;1m=====================================\033[0m"
+        return False
+
+def run_test(testname):
+    '''Runs a specific test executing the file
+    testname.query
+    and comparing the result with 
+    testname.result
+    The query will be executed both unoptimized and
+    optimized'''
+    print "Running test: \033[35;1m%s\033[0m" % testname
+    result_rel=relation.relation('%s%s.result' % (tests_path,testname))
+    
+    query=readfile('%s%s.query' % (tests_path,testname)).strip()
+    o_query=optimizer.optimize_all(query,rels)
+    
+    expr=parser.parse(query)#Converting expression to python code
+    result=eval(expr,rels) #Evaluating the expression
+    
+    o_expr=parser.parse(o_query)#Converting expression to python code
+    o_result=eval(o_expr,rels) #Evaluating the expression
+    
+    
+    if (o_result==result_rel) and (result==result_rel):
+        print "\033[32;1mTest passed\033[0m"
+        return True
+    else:
+        print "\033[31;1mERROR\033[0m"
+        print "Query: %s -> %s" % (query,expr)
+        print "Optimized query: %s -> %s" % (o_query,o_expr)
+        print "\033[31;1m=====================================\033[0m"
+        print "\033[33;1mExpected result\033[0m"
+        print result_rel
+        print "\033[33;1mResult\033[0m"
+        print result
+        print "\033[33;1mOptimized result\033[0m"
+        print o_result
+        print "\033[33;1mResult and optimized result match\033[0m", result==o_result
+        print "\033[31;1m=====================================\033[0m"
+        return False
+        
+
+    
+if __name__ == '__main__':
+    print "-> Starting testsuite for relational"
+    load_relations()
+    print "-> Starting tests"
+    execute_tests()

test/people.query

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+people

test/people.result

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+id,name,chief,age
+0,jack,0,22
+1,carl,0,20
+2,john,1,30
+3,dean,1,33
+4,eve,0,25
+5,duncan,4,30
+6,paul,4,30
+7,alia,1,28

test/pswap.python

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+people.projection("name","id","age","chief")==people

test/pswap.result

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+True

test/rel_eq.python

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+people=='ciao'

test/rel_eq.result

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+False

test/swap_fields.query

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+π name,id,age,chief  (people)

test/swap_fields.result

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+id,name,chief,age
+0,jack,0,22
+1,carl,0,20
+2,john,1,30
+3,dean,1,33
+4,eve,0,25
+5,duncan,4,30
+6,paul,4,30
+7,alia,1,28