#!/usr/bin/env python

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#  Lawrence Berkeley National Laboratory (subject to receipt of any required
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from __future__ import print_function

import unittest

from corebio import *
from corebio.seq import *
from corebio.seq_io import *
from corebio.secstruc.stride import *
from test_corebio import *


class test_stride_io(unittest.TestCase) :

    def test_1(self) :
        f = testdata_stream("stride/stride_test_1.txt")
        g = StrideRecord(f)
        self.assertEqual(g.pdbid, "1A65")
        self.assertEqual(g.residues[0].chainid, "A")
        self.assertEqual(g.residues[0].secstruc, "C")
        self.assertEqual(g.residues[0].solvent_acc_area, float(95.4))
        self.assertEqual(g.residues[0].phi, float(360.00))
        self.assertEqual(g.residues[0].psi, float(157.13))
        self.assertEqual(g.residues[0].resid, "1")
        self.assertEqual(g.primary(), Seq("QIVNSVDTMT", protein_alphabet))
        self.assertEqual(g.secondary(), Seq("CEETTEEEEE", stride_alphabet))
        self.assertEqual(g.total_area(), float(483.6))
        self.assertTrue(g.get_residue('A','1') is g.residues[0])
        f.close()

    def test_2(self) :
        f = testdata_stream("stride/stride_test_2.txt")
        g = StrideRecord(f)
        self.assertEqual(g.pdbid, "1A59")
        self.assertEqual(g.residues[1].chainid, " ")
        self.assertEqual(g.residues[1].secstruc, "C")
        self.assertEqual(g.residues[1].solvent_acc_area, float(85.3))
        self.assertEqual(g.residues[1].phi, float(-78.20))
        self.assertEqual(g.residues[1].psi, float(165.31))
        self.assertEqual(g.residues[1].resid, "3")
        self.assertEqual(g.primary(), Seq("EPTIH", protein_alphabet))
        self.assertEqual(g.secondary(), Seq("CCCCC",stride_alphabet))
        self.assertEqual(g.total_area(), float(610.9))
        self.assertTrue(g.get_residue(' ','3') is g.residues[1])
        f.close()

    def test_3(self):
        f = testdata_stream("stride/stride_test_3.txt")
        g = StrideRecord(f)
        self.assertEqual(g.pdbid, "1A59")
        self.assertEqual(g.residues[0].chainid, " ")
        self.assertEqual(g.residues[0].secstruc, "T")
        self.assertEqual(g.residues[3].solvent_acc_area, float(60.4))
        self.assertEqual(g.residues[4].phi, float(-103.84))
        self.assertEqual(g.residues[2].psi, float(-27.45))
        self.assertEqual(g.residues[0].resid, "12")
        self.assertEqual(g.primary(), Seq("VTADV", protein_alphabet))
        self.assertEqual(g.secondary(), Seq("TCCCC",stride_alphabet))
        self.assertEqual(g.total_area(), float(404))
        self.assertTrue(g.get_residue(' ','12') is g.residues[0])
        f.close()


if __name__ == '__main__':
    print("Running additional tests of RunStride. These require that the STRIDE program is installed locally")
    try:
        stride = RunStride()
        fn = testdata_filename('1CGP.pdb')
        #print(fn)
        data = stride.process_pdb(fn)
        #print(data)
        record = stride.record(fn)
        #print(record)
    except Exception as exc:
        print(exc)
    # Now run standard unittests
    unittest.main()