faadbe4730
the ability to have strings up to 32k characters. This implies that using setinputsizes() is necessary if a long string type is desired as this will not occur automatically when the string exceeds 4000 characters. Tests are tidied up to remove the "p_" prefix from all bind variables.
274 lines
11 KiB
Python
274 lines
11 KiB
Python
"""Module for testing string variables."""
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class TestStringVar(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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stringCol = "String %d" % i
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fixedCharCol = ("Fixed Char %d" % i).ljust(40)
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rawCol = ("Raw %d" % i).encode("ascii")
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if i % 2:
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nullableCol = "Nullable %d" % i
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else:
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nullableCol = None
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dataTuple = (i, stringCol, rawCol, fixedCharCol, nullableCol)
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self.rawData.append(dataTuple)
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self.dataByKey[i] = dataTuple
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def testBindString(self):
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"test binding in a string"
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self.cursor.execute("""
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select * from TestStrings
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where StringCol = :value""",
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value = "String 5")
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self.failUnlessEqual(self.cursor.fetchall(), [self.dataByKey[5]])
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def testBindDifferentVar(self):
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"test binding a different variable on second execution"
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retval_1 = self.cursor.var(cx_Oracle.STRING, 30)
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retval_2 = self.cursor.var(cx_Oracle.STRING, 30)
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self.cursor.execute("begin :retval := 'Called'; end;",
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retval = retval_1)
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self.failUnlessEqual(retval_1.getvalue(), "Called")
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self.cursor.execute("begin :retval := 'Called'; end;",
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retval = retval_2)
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self.failUnlessEqual(retval_2.getvalue(), "Called")
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def testBindStringAfterNumber(self):
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"test binding in a string after setting input sizes to a number"
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self.cursor.setinputsizes(value = cx_Oracle.NUMBER)
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self.cursor.execute("""
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select * from TestStrings
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where StringCol = :value""",
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value = "String 6")
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self.failUnlessEqual(self.cursor.fetchall(), [self.dataByKey[6]])
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def testBindStringArrayDirect(self):
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"test binding in a string 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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:returnValue := pkg_TestStringArrays.TestInArrays(
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:integerValue, :array);
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end;"""
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self.cursor.execute(statement,
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returnValue = returnValue,
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integerValue = 5,
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array = array)
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self.failUnlessEqual(returnValue.getvalue(), 86)
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array = [ "String - %d" % i for i in range(15) ]
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self.cursor.execute(statement,
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integerValue = 8,
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array = array)
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self.failUnlessEqual(returnValue.getvalue(), 163)
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def testBindStringArrayBySizes(self):
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"test binding in a string array (with setinputsizes)"
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returnValue = self.cursor.var(cx_Oracle.NUMBER)
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self.cursor.setinputsizes(array = [cx_Oracle.STRING, 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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:returnValue := pkg_TestStringArrays.TestInArrays(
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:integerValue, :array);
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end;""",
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returnValue = returnValue,
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integerValue = 6,
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array = array)
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self.failUnlessEqual(returnValue.getvalue(), 87)
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def testBindStringArrayByVar(self):
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"test binding in a string array (with arrayvar)"
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returnValue = self.cursor.var(cx_Oracle.NUMBER)
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array = self.cursor.arrayvar(cx_Oracle.STRING, 10, 20)
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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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:returnValue := pkg_TestStringArrays.TestInArrays(
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:integerValue, :array);
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end;""",
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returnValue = returnValue,
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integerValue = 7,
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array = array)
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self.failUnlessEqual(returnValue.getvalue(), 88)
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def testBindInOutStringArrayByVar(self):
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"test binding in/out a string array (with arrayvar)"
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array = self.cursor.arrayvar(cx_Oracle.STRING, 10, 100)
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originalData = [r[1] for r in self.rawData]
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expectedData = ["Converted element # %d originally had length %d" % \
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(i, len(originalData[i - 1])) 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_TestStringArrays.TestInOutArrays(:numElems, :array);
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end;""",
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numElems = 5,
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array = array)
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self.failUnlessEqual(array.getvalue(), expectedData)
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def testBindOutStringArrayByVar(self):
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"test binding out a string array (with arrayvar)"
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array = self.cursor.arrayvar(cx_Oracle.STRING, 6, 100)
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expectedData = ["Test out element # %d" % i for i in range(1, 7)]
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self.cursor.execute("""
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begin
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pkg_TestStringArrays.TestOutArrays(:numElems, :array);
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end;""",
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numElems = 6,
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array = array)
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self.failUnlessEqual(array.getvalue(), expectedData)
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def testBindRaw(self):
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"test binding in a raw"
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self.cursor.setinputsizes(value = cx_Oracle.BINARY)
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self.cursor.execute("""
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select * from TestStrings
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where RawCol = :value""",
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value = b"Raw 4")
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self.failUnlessEqual(self.cursor.fetchall(), [self.dataByKey[4]])
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def testBindAndFetchRowid(self):
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"test binding (and fetching) a rowid"
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self.cursor.execute("""
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select rowid
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from TestStrings
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where IntCol = 3""")
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rowid, = self.cursor.fetchone()
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self.cursor.execute("""
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select *
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from TestStrings
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where rowid = :value""",
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value = rowid)
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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 TestStrings
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where StringCol = :value""",
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value = None)
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self.failUnlessEqual(self.cursor.fetchall(), [])
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def testBindOutSetInputSizesByType(self):
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"test binding out with set input sizes defined (by type)"
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vars = self.cursor.setinputsizes(value = cx_Oracle.STRING)
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self.cursor.execute("""
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begin
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:value := 'TSI';
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end;""")
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self.failUnlessEqual(vars["value"].getvalue(), "TSI")
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def testBindOutSetInputSizesByInteger(self):
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"test binding out with set input sizes defined (by integer)"
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vars = self.cursor.setinputsizes(value = 30)
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self.cursor.execute("""
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begin
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:value := 'TSI (I)';
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end;""")
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self.failUnlessEqual(vars["value"].getvalue(), "TSI (I)")
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def testBindInOutSetInputSizesByType(self):
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"test binding in/out with set input sizes defined (by type)"
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vars = self.cursor.setinputsizes(value = cx_Oracle.STRING)
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self.cursor.execute("""
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begin
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:value := :value || ' TSI';
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end;""",
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value = "InVal")
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self.failUnlessEqual(vars["value"].getvalue(), "InVal TSI")
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def testBindInOutSetInputSizesByInteger(self):
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"test binding in/out with set input sizes defined (by integer)"
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vars = self.cursor.setinputsizes(value = 30)
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self.cursor.execute("""
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begin
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:value := :value || ' TSI (I)';
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end;""",
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value = "InVal")
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self.failUnlessEqual(vars["value"].getvalue(), "InVal TSI (I)")
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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.STRING)
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self.cursor.execute("""
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begin
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:value := 'TSI (VAR)';
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end;""",
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value = var)
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self.failUnlessEqual(var.getvalue(), "TSI (VAR)")
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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.STRING)
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var.setvalue(0, "InVal")
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self.cursor.execute("""
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begin
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:value := :value || ' TSI (VAR)';
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end;""",
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value = var)
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self.failUnlessEqual(var.getvalue(), "InVal TSI (VAR)")
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def testBindLongString(self):
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"test that binding a long string succeeds"
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self.cursor.setinputsizes(bigString = cx_Oracle.LONG_STRING)
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self.cursor.execute("""
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declare
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t_Temp varchar2(10000);
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begin
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t_Temp := :bigString;
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end;""",
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bigString = "X" * 10000)
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def testBindLongStringAfterSettingSize(self):
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"test that setinputsizes() returns a long variable"
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var = self.cursor.setinputsizes(test = 90000)["test"]
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inString = "1234567890" * 9000
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var.setvalue(0, inString)
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outString = var.getvalue()
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self.failUnlessEqual(inString, outString,
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"output does not match: in was %d, out was %d" % \
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(len(inString), len(outString)))
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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 TestStrings")
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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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('STRINGCOL', cx_Oracle.STRING, 20, 20, 0, 0, 0),
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('RAWCOL', cx_Oracle.BINARY, 30, 30, 0, 0, 0),
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('FIXEDCHARCOL', cx_Oracle.FIXED_CHAR, 40, 40, 0, 0, 0),
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('NULLABLECOL', cx_Oracle.STRING, 50, 50, 0, 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 TestStrings 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 TestStrings 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 TestStrings
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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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