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import os
import re
import sys

from os import path
from glob import glob
from framework.profile import TestProfile
from framework.test import TEST_BIN_DIR, Test

__all__ = ['profile']

#############################################################################
##### GTFTest: Execute a sub-test of the Khronos ES 3.0 Conformance suite.
#####
##### To use this, create a 'GTF3' symlink in piglit/bin which points to the
##### Khronos 'GTF' executable.  Piglit will automatically add all .test
##### files into the 'gtf' category.
#############################################################################

if not path.exists(path.join(TEST_BIN_DIR, 'GTF3')):
    sys.exit(0)

profile = TestProfile()

# Chase the piglit/bin/GTF symlink to find where the tests really live.
gtfroot = path.dirname(path.realpath(path.join(TEST_BIN_DIR, 'GTF3')))

class GTFTest(Test):
    pass_re = re.compile(r'(Conformance|Regression) PASSED all (?P<passed>\d+) tests')

    def __init__(self, testpath):
        super(GTFTest, self).__init__([path.join(TEST_BIN_DIR, 'GTF3'),
                                       '-minfmt', '-width=113', '-height=47',
                                       '-run=' + testpath])

    def interpret_result(self):
        mo = self.pass_re.search(self.result['out'])
        if mo is not None and int(mo.group('passed')) > 0:
            self.result['result'] = 'pass'
        else:
            self.result['result'] = 'fail'

def populateTests(runfile):
    "Read a .run file, adding any .test files to the profile"
    with open(runfile, 'r') as f:
        for line in f.readlines():
            # Ignore comments and whitespace
            line = line.strip()
            if line.startswith('#') or line == '':
                continue

            newpath = path.join(path.dirname(runfile), line)
            if line.endswith('.run'):
                populateTests(newpath)
            else:
                # Add the .test file
                group = path.join('es3conform', path.relpath(newpath, gtfroot))
                profile.test_list[group] = GTFTest(newpath)


# Populate the group with all the .test files
populateTests(path.join(gtfroot, 'mustpass_es30.run'))