#!/usr/bin/python
# -*- coding: utf-8 -*-
"""Tests for the SQLite blob path specification implementation."""

import unittest

from dfvfs.path import sqlite_blob_path_spec
from dfvfs.path import test_lib


class SQLiteBlobPathSpecTest(test_lib.PathSpecTestCase):
  """Tests for the SQLite blob path specification implementation."""

  def testInitialize(self):
    """Tests the path specification initialization."""
    path_spec = sqlite_blob_path_spec.SQLiteBlobPathSpec(
        table_name=u'test_table', column_name=u'test_column',
        row_condition=(u'identifier', u'==', 0), parent=self._path_spec)

    self.assertNotEquals(path_spec, None)

    path_spec = sqlite_blob_path_spec.SQLiteBlobPathSpec(
        table_name=u'test_table', column_name=u'test_column', row_index=0,
        parent=self._path_spec)

    self.assertNotEquals(path_spec, None)

    with self.assertRaises(ValueError):
      _ = sqlite_blob_path_spec.SQLiteBlobPathSpec(
          table_name=u'test_table', column_name=u'test_column', row_index=0,
          parent=None)

    with self.assertRaises(ValueError):
      _ = sqlite_blob_path_spec.SQLiteBlobPathSpec(
          table_name=None, column_name=u'test_column', row_index=0,
          parent=self._path_spec)

    with self.assertRaises(ValueError):
      _ = sqlite_blob_path_spec.SQLiteBlobPathSpec(
          table_name=u'test_table', column_name=None, row_index=0,
          parent=self._path_spec)

    with self.assertRaises(ValueError):
      _ = sqlite_blob_path_spec.SQLiteBlobPathSpec(
          table_name=u'test_table', column_name=u'test_column', row_index=None,
          parent=self._path_spec)

    with self.assertRaises(ValueError):
      _ = sqlite_blob_path_spec.SQLiteBlobPathSpec(
          table_name=u'test_table', column_name=u'test_column',
          row_condition=None, parent=self._path_spec)

    with self.assertRaises(ValueError):
      _ = sqlite_blob_path_spec.SQLiteBlobPathSpec(
          table_name=u'test_table', column_name=u'test_column',
          row_condition=u'identifier == 0', parent=self._path_spec)

    with self.assertRaises(ValueError):
      _ = sqlite_blob_path_spec.SQLiteBlobPathSpec(
          table_name=u'test_table', column_name=u'test_column', row_index=0,
          parent=self._path_spec, bogus=u'BOGUS')

  def testComparable(self):
    """Tests the path specification comparable property."""
    path_spec = sqlite_blob_path_spec.SQLiteBlobPathSpec(
        table_name=u'test_table', column_name=u'test_column',
        row_condition=(u'identifier', u'==', 0), parent=self._path_spec)

    self.assertNotEquals(path_spec, None)

    expected_comparable = u'\n'.join([
        u'type: TEST',
        (u'type: SQLITE_BLOB, table name: test_table, '
         u'column name: test_column, row condition: "identifier == 0"'),
        u''])

    self.assertEquals(path_spec.comparable, expected_comparable)

    path_spec = sqlite_blob_path_spec.SQLiteBlobPathSpec(
        table_name=u'test_table', column_name=u'test_column', row_index=0,
        parent=self._path_spec)

    self.assertNotEquals(path_spec, None)

    expected_comparable = u'\n'.join([
        u'type: TEST',
        (u'type: SQLITE_BLOB, table name: test_table, '
         u'column name: test_column, row index: 0'),
        u''])

    self.assertEquals(path_spec.comparable, expected_comparable)


if __name__ == '__main__':
  unittest.main()
