File: tests_memory.py

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import unittest

import openpaperwork_core


class TestSafe(unittest.TestCase):
    def setUp(self):
        self.core = openpaperwork_core.Core(auto_load_dependencies=True)
        self.core.load("openpaperwork_core.fs.memory")
        self.core.init()

    def test_write_read_bytes(self):
        with self.core.call_success(
                    "fs_open", "memory://test_file", mode="wb"
                ) as file_desc:
            file_desc.write(b"abcdef")
            file_desc.write(b"ghijf")

        with self.core.call_success(
                    "fs_open", "memory://test_file", mode="rb"
                ) as file_desc:
            r = file_desc.read()
            self.assertEqual(r, b'abcdefghijf')

        self.core.call_success("fs_unlink", "memory://test_file", trash=False)

    def test_write_read_string(self):
        with self.core.call_success(
                    "fs_open", "memory://test_file", mode="w"
                ) as file_desc:
            file_desc.write("abcdef\n")
            file_desc.write("ghijf\n")

        with self.core.call_success(
                    "fs_open", "memory://test_file", mode="r"
                ) as file_desc:
            r = file_desc.readlines()
            self.assertEqual(r, [
                'abcdef\n',
                'ghijf\n'
            ])

        self.core.call_success("fs_unlink", "memory://test_file", trash=False)

    def test_write_read_tempfile(self):
        (name, file_desc) = self.core.call_success(
            "fs_mktemp", "camion", "tulipe", mode="w"
        )
        with file_desc:
            self.assertTrue(name.startswith("memory://"))
            file_desc.write("abcdef\n")
            file_desc.write("ghijf\n")

        with self.core.call_success("fs_open", name, mode="r") as file_desc:
            r = file_desc.readlines()
            self.assertEqual(r, [
                'abcdef\n',
                'ghijf\n'
            ])

        self.core.call_success("fs_unlink", name, trash=False)