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1# This file is part of dax_apdb. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This program is free software: you can redistribute it and/or modify 

10# it under the terms of the GNU General Public License as published by 

11# the Free Software Foundation, either version 3 of the License, or 

12# (at your option) any later version. 

13# 

14# This program is distributed in the hope that it will be useful, 

15# but WITHOUT ANY WARRANTY; without even the implied warranty of 

16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

17# GNU General Public License for more details. 

18# 

19# You should have received a copy of the GNU General Public License 

20# along with this program. If not, see <http://www.gnu.org/licenses/>. 

21 

22"""Unit test for ApdbSqlSchema class. 

23""" 

24 

25import os 

26import unittest 

27 

28from lsst.dax.apdb.apdbSqlSchema import ApdbSqlSchema 

29from lsst.utils import getPackageDir 

30import lsst.utils.tests 

31from sqlalchemy import create_engine 

32 

33 

34def _data_file_name(basename): 

35 """Return path name of a data file. 

36 """ 

37 return os.path.join(getPackageDir("dax_apdb"), "data", basename) 

38 

39 

40class ApdbSchemaTestCase(unittest.TestCase): 

41 """A test case for ApdbSqlSchema class 

42 """ 

43 

44 @classmethod 

45 def setUpClass(cls): 

46 pass 

47 

48 def _assertTable(self, table, name, ncol): 

49 """validation for tables schema. 

50 

51 Parameters 

52 ---------- 

53 table : `sqlalchemy.Table` 

54 name : `str` 

55 Expected table name 

56 ncol : `int` 

57 Expected number of columns 

58 """ 

59 self.assertIsNotNone(table) 

60 self.assertEqual(table.name, name) 

61 self.assertEqual(len(table.columns), ncol) 

62 

63 def test_makeSchema(self): 

64 """Test for creating schemas. 

65 

66 Schema is defined in YAML files, some checks here depend on that 

67 configuration and will need to be updated when configuration changes. 

68 """ 

69 engine = create_engine('sqlite://') 

70 

71 # create standard (baseline) schema 

72 schema = ApdbSqlSchema(engine=engine, 

73 dia_object_index="baseline", 

74 schema_file=_data_file_name("apdb-schema.yaml")) 

75 schema.makeSchema() 

76 self._assertTable(schema.objects, "DiaObject", 92) 

77 self.assertEqual(len(schema.objects.primary_key), 2) 

78 self.assertIsNone(schema.objects_last) 

79 self._assertTable(schema.sources, "DiaSource", 108) 

80 self._assertTable(schema.forcedSources, "DiaForcedSource", 8) 

81 

82 # create schema using prefix 

83 schema = ApdbSqlSchema(engine=engine, 

84 dia_object_index="baseline", 

85 schema_file=_data_file_name("apdb-schema.yaml"), 

86 prefix="Pfx") 

87 # Drop existing tables (but we don't check it here) 

88 schema.makeSchema(drop=True) 

89 self._assertTable(schema.objects, "PfxDiaObject", 92) 

90 self.assertIsNone(schema.objects_last) 

91 self._assertTable(schema.sources, "PfxDiaSource", 108) 

92 self._assertTable(schema.forcedSources, "PfxDiaForcedSource", 8) 

93 

94 # use different indexing for DiaObject, need extra schema for that 

95 schema = ApdbSqlSchema(engine=engine, 

96 dia_object_index="pix_id_iov", 

97 schema_file=_data_file_name("apdb-schema.yaml"), 

98 extra_schema_file=_data_file_name("apdb-schema-extra.yaml")) 

99 schema.makeSchema(drop=True) 

100 self._assertTable(schema.objects, "DiaObject", 94) 

101 self.assertEqual(len(schema.objects.primary_key), 3) 

102 self.assertIsNone(schema.objects_last) 

103 self._assertTable(schema.sources, "DiaSource", 108) 

104 self._assertTable(schema.forcedSources, "DiaForcedSource", 8) 

105 

106 # use DiaObjectLast table for DiaObject, need extra schema for that 

107 schema = ApdbSqlSchema(engine=engine, 

108 dia_object_index="last_object_table", 

109 schema_file=_data_file_name("apdb-schema.yaml"), 

110 extra_schema_file=_data_file_name("apdb-schema-extra.yaml")) 

111 schema.makeSchema(drop=True) 

112 self._assertTable(schema.objects, "DiaObject", 94) 

113 self.assertEqual(len(schema.objects.primary_key), 2) 

114 self._assertTable(schema.objects_last, "DiaObjectLast", 18) 

115 self.assertEqual(len(schema.objects_last.primary_key), 2) 

116 self._assertTable(schema.sources, "DiaSource", 108) 

117 self._assertTable(schema.forcedSources, "DiaForcedSource", 8) 

118 

119 

120class MyMemoryTestCase(lsst.utils.tests.MemoryTestCase): 

121 pass 

122 

123 

124def setup_module(module): 

125 lsst.utils.tests.init() 

126 

127 

128if __name__ == "__main__": 128 ↛ 129line 128 didn't jump to line 129, because the condition on line 128 was never true

129 lsst.utils.tests.init() 

130 unittest.main()