#!/bin/bash
# test script for the road network simulator
# this version only produces output for tests RoadNework fails
# author Douglas Jones
# version Feb. 26, 2021

# test1 java RoadNetwork    -- with a missing file name
echo "Error: missing command line argument, a file name" > expectedDotErr
touch expectedDotOut
java RoadNetwork > systemDotOut &> systemDotErr
if [ $? -eq 0 ] ; then
	# program did System.exit( 0 );
	echo "test1: java Roadnetwork -- terminated with System.exit( 0 )"
else
	# program did System.exit( !=0 );
	diff expectedDotOut systemDotOut
	if [ $? -ne 0 ] ; then
		echo "test1: java Roadnetwork -- unexpected normal output"
	fi
	diff expectedDotErr systemDotErr
	if [ $? -ne 0 ] ; then
		echo "test1: java Roadnetwork -- the wrong error message"
	fi
fi
rm expectedDotErr expectedDotOut systemDotErr systemDotOut

# test2 java RoadNetwork nonexistant blather   -- with a missing file name
echo "Warning: extra command line argument: blather" > expectedDotErr
echo "Error: could not open file: nonexistant"      >> expectedDotErr
touch expectedDotOut
java RoadNetwork nonexistant blather > systemDotOut &> systemDotErr
if [ $? -eq 0 ] ; then
        # program did System.exit( 0 );
        echo "test2: java Roadnetwork -- terminated with System.exit( 0 )"
else
        # program did System.exit( !=0 );
        diff expectedDotOut systemDotOut
        if [ $? -ne 0 ] ; then
                echo "test2: java Roadnetwork none -- unexpected normal output"
        fi
        diff expectedDotErr systemDotErr
        if [ $? -ne 0 ] ; then
                echo "test2: java Roadnetwork none -- the wrong error message"
        fi
fi
rm expectedDotErr expectedDotOut systemDotErr systemDotOut

# test3 java RoadNetwork fuzztest
touch expectedDotOut
java Fuzz 256 > testinput
java RoadNetwork testinput blather > systemDotOut &> systemDotErr
if [ $? -eq 0 ] ; then
        # program did System.exit( 0 ); // the likelihood of this is tiny!!
        echo "test3: java Roadnetwork fuzz -- terminated with System.exit( 0 )"
else
        # program did System.exit( !=0 );
        diff expectedDotOut systemDotOut
        if [ $? -ne 0 ] ; then
                echo "test3: java Roadnetwork fuzz -- unexpected normal output"
        fi
        grep exception systemDotErr
        if [ $? -eq 0 ] ; then
                echo "test3: java Roadnetwork fuzz -- threw an exception"
        fi
fi
rm expectedDotOut systemDotErr systemDotOut testinput

# test4 java RoadNetwork testfile -- just one word, intersection
echo "intersection" > testinput
echo "Warning: intersection: name missing"                   > expectedDotErr
echo "Warning: intersection ???: traversal time missing"    >> expectedDotErr
echo "Warning: intersection ??? 99999.0: semicolon missing" >> expectedDotErr
touch expectedDotOut
java RoadNetwork testinput > systemDotOut &> systemDotErr
if [ $? -eq 0 ] ; then
        # program did System.exit( 0 );
        echo "test4: java Roadnetwork -- terminated with System.exit( 0 )"
else
        # program did System.exit( !=0 );
        diff expectedDotOut systemDotOut
        if [ $? -ne 0 ] ; then
                echo "test4: java Roadnetwork none -- unexpected normal output"
        fi
        diff expectedDotErr systemDotErr
        if [ $? -ne 0 ] ; then
                echo "test4: java Roadnetwork none -- the wrong error message"
        fi
fi
rm expectedDotErr expectedDotOut systemDotErr systemDotOut testinput

# test5 java RoadNetwork testfile -- one intersection, defective road
echo "intersection A 1.0 ;" > testinput
echo "road"                >> testinput
echo "Warning: road: source missing"                     > expectedDotErr
echo "Warning: road: destination missing"               >> expectedDotErr
echo "Warning: road ??? ???: travel time missing"       >> expectedDotErr
echo "Warning: road ??? ??? 99999.0: semicolon missing" >> expectedDotErr
echo "Warning: road ??? ??? 99999.0: undefined source intersection?" >> expectedDotErr
echo "Warning: road ??? ??? 99999.0: undefined destination intersection?" >> expectedDotErr
touch expectedDotOut
java RoadNetwork testinput > systemDotOut &> systemDotErr
if [ $? -eq 0 ] ; then
        # program did System.exit( 0 );
        echo "test5: java Roadnetwork -- terminated with System.exit( 0 )"
else
        # program did System.exit( !=0 );
        diff expectedDotOut systemDotOut
        if [ $? -ne 0 ] ; then
                echo "test5: java Roadnetwork none -- unexpected normal output"
        fi
        diff expectedDotErr systemDotErr
        if [ $? -ne 0 ] ; then
                echo "test5: java Roadnetwork none -- the wrong error message"
        fi
fi
rm expectedDotErr expectedDotOut systemDotErr systemDotOut testinput