Limnoria/test/test_Math.py

#!/usr/bin/env python

###
# Copyright (c) 2002, Jeremiah Fincher
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# modification, are permitted provided that the following conditions are met:
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#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions, and the following disclaimer.
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#   * Neither the name of the author of this software nor the name of
#     contributors to this software may be used to endorse or promote products
#     derived from this software without specific prior written consent.
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###

from testsupport import *

class MathTestCase(PluginTestCase, PluginDocumentation):
    plugins = ('Math',)
    def testBase(self):
        self.assertNotRegexp('base 56 asdflkj', 'ValueError')
        
    def testCalc(self):
        self.assertResponse('calc 5*0.06', str(5*0.06))
        self.assertResponse('calc 2.0-7.0', str(2-7))
        self.assertResponse('calc (-1)**.5', 'i')
        self.assertResponse('calc e**(i*pi)+1', '0')
        self.assertResponse('calc (-5)**.5', '2.2360679775i')
        self.assertResponse('calc -((-5)**.5)', '-2.2360679775i')
        self.assertNotRegexp('calc [9, 5] + [9, 10]', 'TypeError')
        self.assertError('calc [9, 5] + [9, 10]')
        self.assertNotError('calc degrees(2)')
        self.assertNotError('calc (2 * 3) - 2*(3*4)')
        self.assertNotError('calc (3) - 2*(3*4)')
        self.assertNotError('calc (1600 * 1200) - 2*(1024*1280)')
        self.assertNotError('calc 3-2*4')
        self.assertNotError('calc (1600 * 1200)-2*(1024*1280)')

    def testICalc(self):
        self.assertResponse('icalc 1^1', '0')
        self.assertResponse('icalc 10**24', '1' + '0'*24)
        self.assertRegexp('icalc 49/6', '8.16')

    def testCalcNoNameError(self):
        self.assertNotRegexp('calc foobar(x)', 'NameError')

    def testCalcImaginary(self):
        self.assertResponse('calc 3 + sqrt(-1)', '3+i')

    def testCalcFloorWorksWithSqrt(self):
        self.assertNotError('calc floor(sqrt(5))')
        
    def testRpn(self):
        self.assertResponse('rpn 5 2 +', '7')
        self.assertResponse('rpn 1 2 3 +', 'Stack: [1, 5]')
        self.assertResponse('rpn 1 dup', 'Stack: [1, 1]')
        self.assertResponse('rpn 2 3 4 + -', str(2-7))
        self.assertNotError('rpn 2 degrees')

    def testRpnSwap(self):
        self.assertResponse('rpn 1 2 swap', 'Stack: [2, 1]')

    def testRpmNoSyntaxError(self):
        self.assertNotRegexp('rpn 2 3 foobar', 'SyntaxError')
        
    def testConvert(self):
        self.assertResponse('convert 1 m to cm', '100 cm')
        self.assertResponse('convert m to cm', '100 cm')
        self.assertResponse('convert 3 metres to km', '0.003 km')
        self.assertResponse('convert 32 F to C', '0 C')
        self.assertResponse('convert 32 C to F', '89.6 F')
        self.assertResponse('convert [calc 2*pi] rad to degree', '360 degree')
        self.assertResponse('convert amu to atomic mass unit', 
                            '1 atomic mass unit')
        self.assertResponse('convert [calc 2*pi] rad to circle', '1 circle')



        self.assertError('convert 1 meatball to bananas')
        self.assertError('convert 1 gram to meatballs')
        self.assertError('convert 1 mol to grams')
        self.assertError('convert 1 m to kpa')
    
    def testConvertSingularPlural(self):
        self.assertResponse('convert [calc 2*pi] rads to degrees',
                            '360 degrees')
        self.assertResponse('convert 1 carat to grams',
                            '0.2 grams')
        self.assertResponse('convert 10 lbs to oz', '160 oz')
        self.assertResponse('convert mA to amps', '0.001 amps')

    def testConvertCaseSensitivity(self):
        self.assertError('convert MA to amps')
        self.assertError('convert M to amps')
        self.assertError('convert Radians to rev')

    def testUnits(self):
        self.assertNotError('units')
        self.assertNotError('units mass')
        self.assertNotError('units flux density')


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