255 lines
10 KiB
Python
255 lines
10 KiB
Python
"""Module for testing number variables."""
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import cx_Oracle
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import decimal
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class TestNumberVar(BaseTestCase):
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def setUp(self):
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BaseTestCase.setUp(self)
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self.rawData = []
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self.dataByKey = {}
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for i in range(1, 11):
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numberCol = i + i * 0.25
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floatCol = i + i * 0.75
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unconstrainedCol = i ** 3 + i * 0.5
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if i % 2:
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nullableCol = 143 ** i
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else:
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nullableCol = None
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dataTuple = (i, numberCol, floatCol, unconstrainedCol, nullableCol)
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self.rawData.append(dataTuple)
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self.dataByKey[i] = dataTuple
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def testBindDecimal(self):
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"test binding in a decimal.Decimal"
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self.cursor.execute("""
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select * from TestNumbers
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where NumberCol - :value1 - :value2 = trunc(NumberCol)""",
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value1 = decimal.Decimal("0.20"),
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value2 = decimal.Decimal("0.05"))
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self.failUnlessEqual(self.cursor.fetchall(),
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[self.dataByKey[1], self.dataByKey[5], self.dataByKey[9]])
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def testBindFloat(self):
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"test binding in a float"
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self.cursor.execute("""
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select * from TestNumbers
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where NumberCol - :value = trunc(NumberCol)""",
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value = 0.25)
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self.failUnlessEqual(self.cursor.fetchall(),
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[self.dataByKey[1], self.dataByKey[5], self.dataByKey[9]])
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def testBindSmallLong(self):
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"test binding in a small long integer"
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self.cursor.execute("""
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select * from TestNumbers
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where IntCol = :value""",
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value = 3)
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self.failUnlessEqual(self.cursor.fetchall(), [self.dataByKey[3]])
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def testBindLargeLong(self):
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"test binding in a large long integer"
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valueVar = self.cursor.var(cx_Oracle.NUMBER)
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valueVar.setvalue(0, 6088343244)
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self.cursor.execute("""
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begin
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:value := :value + 5;
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end;""",
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value = valueVar)
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value = valueVar.getvalue()
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self.failUnlessEqual(value, 6088343249)
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def testBindIntegerAfterString(self):
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"test binding in an number after setting input sizes to a string"
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self.cursor.setinputsizes(value = 15)
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self.cursor.execute("""
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select * from TestNumbers
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where IntCol = :value""",
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value = 3)
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self.failUnlessEqual(self.cursor.fetchall(), [self.dataByKey[3]])
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def testBindNull(self):
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"test binding in a null"
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self.cursor.execute("""
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select * from TestNumbers
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where IntCol = :value""",
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value = None)
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self.failUnlessEqual(self.cursor.fetchall(), [])
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def testBindNumberArrayDirect(self):
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"test binding in a number array"
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returnValue = self.cursor.var(cx_Oracle.NUMBER)
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array = [r[1] for r in self.rawData]
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statement = """
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begin
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:p_ReturnValue := pkg_TestNumberArrays.TestInArrays(
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:p_StartValue, :p_Array);
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end;"""
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self.cursor.execute(statement,
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p_ReturnValue = returnValue,
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p_StartValue = 5,
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p_Array = array)
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self.failUnlessEqual(returnValue.getvalue(), 73.75)
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array = list(range(15))
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self.cursor.execute(statement,
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p_StartValue = 10,
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p_Array = array)
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self.failUnlessEqual(returnValue.getvalue(), 115.0)
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def testBindNumberArrayBySizes(self):
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"test binding in a number array (with setinputsizes)"
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returnValue = self.cursor.var(cx_Oracle.NUMBER)
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self.cursor.setinputsizes(p_Array = [cx_Oracle.NUMBER, 10])
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array = [r[1] for r in self.rawData]
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self.cursor.execute("""
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begin
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:p_ReturnValue := pkg_TestNumberArrays.TestInArrays(
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:p_StartValue, :p_Array);
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end;""",
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p_ReturnValue = returnValue,
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p_StartValue = 6,
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p_Array = array)
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self.failUnlessEqual(returnValue.getvalue(), 74.75)
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def testBindNumberArrayByVar(self):
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"test binding in a number array (with arrayvar)"
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returnValue = self.cursor.var(cx_Oracle.NUMBER)
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array = self.cursor.arrayvar(cx_Oracle.NUMBER,
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[r[1] for r in self.rawData])
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array.setvalue(0, [r[1] for r in self.rawData])
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self.cursor.execute("""
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begin
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:p_ReturnValue := pkg_TestNumberArrays.TestInArrays(
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:p_IntegerValue, :p_Array);
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end;""",
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p_ReturnValue = returnValue,
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p_IntegerValue = 7,
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p_Array = array)
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self.failUnlessEqual(returnValue.getvalue(), 75.75)
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def testBindZeroLengthNumberArrayByVar(self):
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"test binding in a zero length number array (with arrayvar)"
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returnValue = self.cursor.var(cx_Oracle.NUMBER)
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array = self.cursor.arrayvar(cx_Oracle.NUMBER, 0)
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self.cursor.execute("""
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begin
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:p_ReturnValue := pkg_TestNumberArrays.TestInArrays(
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:p_IntegerValue, :p_Array);
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end;""",
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p_ReturnValue = returnValue,
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p_IntegerValue = 8,
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p_Array = array)
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self.failUnlessEqual(returnValue.getvalue(), 8.0)
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self.failUnlessEqual(array.getvalue(), [])
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def testBindInOutNumberArrayByVar(self):
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"test binding in/out a number array (with arrayvar)"
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array = self.cursor.arrayvar(cx_Oracle.NUMBER, 10)
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originalData = [r[1] for r in self.rawData]
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expectedData = [originalData[i - 1] * 10 for i in range(1, 6)] + \
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originalData[5:]
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array.setvalue(0, originalData)
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self.cursor.execute("""
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begin
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pkg_TestNumberArrays.TestInOutArrays(:p_NumElems, :p_Array);
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end;""",
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p_NumElems = 5,
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p_Array = array)
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self.failUnlessEqual(array.getvalue(), expectedData)
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def testBindOutNumberArrayByVar(self):
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"test binding out a Number array (with arrayvar)"
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array = self.cursor.arrayvar(cx_Oracle.NUMBER, 6)
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expectedData = [i * 100 for i in range(1, 7)]
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self.cursor.execute("""
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begin
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pkg_TestNumberArrays.TestOutArrays(:p_NumElems, :p_Array);
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end;""",
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p_NumElems = 6,
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p_Array = array)
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self.failUnlessEqual(array.getvalue(), expectedData)
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def testBindOutSetInputSizes(self):
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"test binding out with set input sizes defined"
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vars = self.cursor.setinputsizes(value = cx_Oracle.NUMBER)
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self.cursor.execute("""
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begin
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:value := 5;
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end;""")
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self.failUnlessEqual(vars["value"].getvalue(), 5)
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def testBindInOutSetInputSizes(self):
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"test binding in/out with set input sizes defined"
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vars = self.cursor.setinputsizes(value = cx_Oracle.NUMBER)
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self.cursor.execute("""
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begin
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:value := :value + 5;
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end;""",
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value = 1.25)
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self.failUnlessEqual(vars["value"].getvalue(), 6.25)
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def testBindOutVar(self):
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"test binding out with cursor.var() method"
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var = self.cursor.var(cx_Oracle.NUMBER)
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self.cursor.execute("""
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begin
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:value := 5;
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end;""",
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value = var)
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self.failUnlessEqual(var.getvalue(), 5)
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def testBindInOutVarDirectSet(self):
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"test binding in/out with cursor.var() method"
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var = self.cursor.var(cx_Oracle.NUMBER)
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var.setvalue(0, 2.25)
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self.cursor.execute("""
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begin
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:value := :value + 5;
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end;""",
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value = var)
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self.failUnlessEqual(var.getvalue(), 7.25)
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def testCursorDescription(self):
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"test cursor description is accurate"
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self.cursor.execute("select * from TestNumbers")
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self.failUnlessEqual(self.cursor.description,
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[ ('INTCOL', cx_Oracle.NUMBER, 10, 22, 9, 0, 0),
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('NUMBERCOL', cx_Oracle.NUMBER, 13, 22, 9, 2, 0),
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('FLOATCOL', cx_Oracle.NUMBER, 127, 22, 126, -127, 0),
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('UNCONSTRAINEDCOL', cx_Oracle.NUMBER, 127, 22, 0, -127, 0),
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('NULLABLECOL', cx_Oracle.NUMBER, 39, 22, 38, 0, 1) ])
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def testFetchAll(self):
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"test that fetching all of the data returns the correct results"
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self.cursor.execute("select * From TestNumbers order by IntCol")
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self.failUnlessEqual(self.cursor.fetchall(), self.rawData)
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self.failUnlessEqual(self.cursor.fetchall(), [])
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def testFetchMany(self):
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"test that fetching data in chunks returns the correct results"
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self.cursor.execute("select * From TestNumbers order by IntCol")
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self.failUnlessEqual(self.cursor.fetchmany(3), self.rawData[0:3])
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self.failUnlessEqual(self.cursor.fetchmany(2), self.rawData[3:5])
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self.failUnlessEqual(self.cursor.fetchmany(4), self.rawData[5:9])
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self.failUnlessEqual(self.cursor.fetchmany(3), self.rawData[9:])
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self.failUnlessEqual(self.cursor.fetchmany(3), [])
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def testFetchOne(self):
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"test that fetching a single row returns the correct results"
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self.cursor.execute("""
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select *
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from TestNumbers
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where IntCol in (3, 4)
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order by IntCol""")
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self.failUnlessEqual(self.cursor.fetchone(), self.dataByKey[3])
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self.failUnlessEqual(self.cursor.fetchone(), self.dataByKey[4])
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self.failUnlessEqual(self.cursor.fetchone(), None)
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def testReturnAsFloat(self):
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"test that fetching a floating point number returns such in Python"
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self.cursor.execute("select 1.25 from dual")
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result, = self.cursor.fetchone()
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self.failUnlessEqual(result, 1.25)
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