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254 lines
11 KiB
254 lines
11 KiB
import datetime
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import logging
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import unittest
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import six
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import moment
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import objtypes
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import testutil
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import test_engine
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log = logging.getLogger(__name__)
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def D(year, month, day):
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return moment.date_to_ts(datetime.date(year, month, day))
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class TestLookupFind(test_engine.EngineTestCase):
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def do_setup(self):
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self.load_sample(testutil.parse_test_sample({
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"SCHEMA": [
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[1, "Customers", [
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[11, "Name", "Text", False, "", "", ""],
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[12, "MyDate", "Date", False, "", "", ""],
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]],
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[2, "Purchases", [
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[20, "manualSort", "PositionNumber", False, "", "", ""],
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[21, "Customer", "Ref:Customers", False, "", "", ""],
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[22, "Date", "Date", False, "", "", ""],
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[24, "Category", "Text", False, "", "", ""],
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[25, "Amount", "Numeric", False, "", "", ""],
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[26, "Prev", "Ref:Purchases", True, "None", "", ""], # To be filled
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[27, "Cumul", "Numeric", True, "$Prev.Cumul + $Amount", "", ""],
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]],
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],
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"DATA": {
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"Customers": [
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["id", "Name", "MyDate"],
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[1, "Alice", D(2023,12,5)],
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[2, "Bob", D(2023,12,10)],
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],
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"Purchases": [
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[ "id", "manualSort", "Customer", "Date", "Category", "Amount", ],
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[1, 1.0, 1, D(2023,12,1), "A", 10],
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[2, 2.0, 2, D(2023,12,4), "A", 17],
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[3, 3.0, 1, D(2023,12,3), "A", 20],
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[4, 4.0, 1, D(2023,12,9), "A", 40],
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[5, 5.0, 1, D(2023,12,2), "B", 80],
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[6, 6.0, 1, D(2023,12,6), "B", 160],
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[7, 7.0, 1, D(2023,12,7), "A", 320],
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[8, 8.0, 1, D(2023,12,5), "A", 640],
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],
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}
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}))
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def do_test_lookup_find(self, find="find", ref_type_to_use=None):
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self.do_setup()
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if ref_type_to_use:
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self.add_column("Customers", "PurchasesByDate", type=ref_type_to_use,
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formula="Purchases.lookupRecords(Customer=$id, sort_by='Date')")
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lookup = "$PurchasesByDate"
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else:
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lookup = "Purchases.lookupRecords(Customer=$id, sort_by='Date')"
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self.add_column("Customers", "LTDate", type="Ref:Purchases",
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formula="{}.{}.lt($MyDate)".format(lookup, find))
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self.add_column("Customers", "LEDate", type="Ref:Purchases",
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formula="{}.{}.le($MyDate)".format(lookup, find))
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self.add_column("Customers", "GTDate", type="Ref:Purchases",
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formula="{}.{}.gt($MyDate)".format(lookup, find))
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self.add_column("Customers", "GEDate", type="Ref:Purchases",
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formula="{}.{}.ge($MyDate)".format(lookup, find))
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self.add_column("Customers", "EQDate", type="Ref:Purchases",
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formula="{}.{}.eq($MyDate)".format(lookup, find))
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# Here's the purchase data sorted by Customer and Date
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# id Customer Date
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# 1, 1, D(2023,12,1)
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# 5, 1, D(2023,12,2)
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# 3, 1, D(2023,12,3)
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# 8, 1, D(2023,12,5)
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# 6, 1, D(2023,12,6)
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# 7, 1, D(2023,12,7)
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# 4, 1, D(2023,12,9)
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# 2, 2, D(2023,12,4)
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# pylint: disable=line-too-long
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self.assertTableData('Customers', cols="subset", data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,5), LTDate=3, LEDate=8, GTDate=6, GEDate=8, EQDate=8),
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dict(id=2, Name="Bob", MyDate=D(2023,12,10), LTDate=2, LEDate=2, GTDate=0, GEDate=0, EQDate=0),
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])
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# Change Dates for Alice and Bob
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self.update_record('Customers', 1, MyDate=D(2023,12,4))
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self.update_record('Customers', 2, MyDate=D(2023,12,4))
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self.assertTableData('Customers', cols="subset", data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,4), LTDate=3, LEDate=3, GTDate=8, GEDate=8, EQDate=0),
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dict(id=2, Name="Bob", MyDate=D(2023,12,4), LTDate=0, LEDate=2, GTDate=0, GEDate=2, EQDate=2),
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])
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# Change a Purchase from Alice to Bob, and remove a purchase for Alice
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self.update_record('Purchases', 5, Customer=2)
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self.remove_record('Purchases', 3)
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self.assertTableData('Customers', cols="subset", data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,4), LTDate=1, LEDate=1, GTDate=8, GEDate=8, EQDate=0),
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dict(id=2, Name="Bob", MyDate=D(2023,12,4), LTDate=5, LEDate=2, GTDate=0, GEDate=2, EQDate=2),
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])
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# Another update to the lookup date for Bob.
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self.update_record('Customers', 2, MyDate=D(2023,1,1))
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self.assertTableData('Customers', cols="subset", data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,4), LTDate=1, LEDate=1, GTDate=8, GEDate=8, EQDate=0),
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dict(id=2, Name="Bob", MyDate=D(2023,1,1), LTDate=0, LEDate=0, GTDate=5, GEDate=5, EQDate=0),
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])
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@unittest.skipUnless(six.PY3, "Python 3 only")
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def test_lookup_find(self):
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self.do_test_lookup_find()
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@unittest.skipUnless(six.PY3, "Python 3 only")
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def test_lookup_underscore_find(self):
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# Repeat the previous test case with _find in place of find. Normally, we can use
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# lookupRecords(...).find.*, but if a column named "find" exists, it will shadow this method,
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# and lookupRecords(...)._find.* may be used instead (with an underscore). Check that it works.
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self.do_test_lookup_find(find="_find")
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@unittest.skipUnless(six.PY3, "Python 3 only")
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def test_lookup_find_ref_any(self):
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self.do_test_lookup_find(ref_type_to_use='Any')
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@unittest.skipUnless(six.PY3, "Python 3 only")
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def test_lookup_find_ref_reflist(self):
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self.do_test_lookup_find(ref_type_to_use='RefList:Purchases')
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@unittest.skipUnless(six.PY3, "Python 3 only")
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def test_lookup_find_empty(self):
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self.do_setup()
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self.add_column("Customers", "P", type='RefList:Purchases',
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formula="Purchases.lookupRecords(Customer=$id, Category='C', sort_by='Date')")
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self.add_column("Customers", "LTDate", type="Ref:Purchases", formula="$P.find.lt($MyDate)")
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self.add_column("Customers", "LEDate", type="Ref:Purchases", formula="$P.find.le($MyDate)")
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self.add_column("Customers", "GTDate", type="Ref:Purchases", formula="$P.find.gt($MyDate)")
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self.add_column("Customers", "GEDate", type="Ref:Purchases", formula="$P.find.ge($MyDate)")
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self.add_column("Customers", "EQDate", type="Ref:Purchases", formula="$P.find.eq($MyDate)")
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# pylint: disable=line-too-long
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self.assertTableData('Customers', cols="subset", data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,5), LTDate=0, LEDate=0, GTDate=0, GEDate=0, EQDate=0),
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dict(id=2, Name="Bob", MyDate=D(2023,12,10), LTDate=0, LEDate=0, GTDate=0, GEDate=0, EQDate=0),
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])
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# Check find.* results once the lookup result becomes non-empty.
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self.update_record('Purchases', 5, Category="C")
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self.assertTableData('Customers', cols="subset", data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,5), LTDate=5, LEDate=5, GTDate=0, GEDate=0, EQDate=0),
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dict(id=2, Name="Bob", MyDate=D(2023,12,10), LTDate=0, LEDate=0, GTDate=0, GEDate=0, EQDate=0),
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])
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@unittest.skipUnless(six.PY3, "Python 3 only")
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def test_lookup_find_unsorted(self):
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self.do_setup()
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self.add_column("Customers", "P", type='RefList:Purchases',
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formula="[Purchases.lookupOne(Customer=$id)]")
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self.add_column("Customers", "LTDate", type="Ref:Purchases", formula="$P.find.lt($MyDate)")
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err = objtypes.RaisedException(ValueError())
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self.assertTableData('Customers', cols="subset", data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,5), LTDate=err),
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dict(id=2, Name="Bob", MyDate=D(2023,12,10), LTDate=err),
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])
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@unittest.skipUnless(six.PY2, "Python 2 only")
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def test_lookup_find_py2(self):
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self.do_setup()
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self.add_column("Customers", "LTDate", type="Ref:Purchases",
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formula="Purchases.lookupRecords(Customer=$id, sort_by='Date').find.lt($MyDate)")
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err = objtypes.RaisedException(NotImplementedError())
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self.assertTableData('Customers', data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,5), LTDate=err),
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dict(id=2, Name="Bob", MyDate=D(2023,12,10), LTDate=err),
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])
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def test_column_named_find(self):
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# Test that we can add a column named "find", use it, and remove it.
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self.do_setup()
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self.add_column("Customers", "find", type="Text")
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# Check that the column is usable.
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self.update_record("Customers", 1, find="Hello")
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self.assertTableData('Customers', cols="all", data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,5), find="Hello"),
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dict(id=2, Name="Bob", MyDate=D(2023,12,10), find=""),
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])
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# Check that we can remove the column.
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self.remove_column("Customers", "find")
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self.assertTableData('Customers', cols="all", data=[
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dict(id=1, Name="Alice", MyDate=D(2023,12,5)),
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dict(id=2, Name="Bob", MyDate=D(2023,12,10)),
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])
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@unittest.skipUnless(six.PY3, "Python 3 only")
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def test_rename_find_attrs(self):
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"""
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Check that in formulas like Table.lookupRecords(...).find.lt(...).ColID, renames of ColID
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update the formula.
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"""
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# Create a simple table (People) with a couple records.
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self.apply_user_action(["AddTable", "People", [
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dict(id="Name", type="Text")
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]])
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self.add_record("People", Name="Alice")
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self.add_record("People", Name="Bob")
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# Create a separate table that does a lookup in the People table.
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self.apply_user_action(["AddTable", "Test", [
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dict(id="Lookup1", type="Any", isFormula=True,
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formula="People.lookupRecords(order_by='Name').find.ge('B').Name"),
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dict(id="Lookup2", type="Any", isFormula=True,
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formula="People.lookupRecords(order_by='Name')._find.eq('Alice').Name"),
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dict(id="Lookup3", type="Any", isFormula=True,
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formula="r = People.lookupRecords(order_by='Name').find.ge('B')\n" +
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"PREVIOUS(r, order_by=None).Name"),
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dict(id="Lookup4", type="Any", isFormula=True,
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formula="r = People.lookupRecords(order_by='Name').find.eq('Alice')\n" +
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"People.lookupRecords(order_by='Name').find.next(r).Name")
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]])
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self.add_record("Test")
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# Test that lookups return data as expected.
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self.assertTableData('Test', cols="subset", data=[
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dict(id=1, Lookup1="Bob", Lookup2="Alice", Lookup3="Alice", Lookup4="Bob")
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])
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# Rename a column used for lookups or order_by. Lookup result shouldn't change.
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self.apply_user_action(["RenameColumn", "People", "Name", "FullName"])
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self.assertTableData('Test', cols="subset", data=[
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dict(id=1, Lookup1="Bob", Lookup2="Alice", Lookup3="Alice", Lookup4="Bob")
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])
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self.assertTableData('_grist_Tables_column', cols="subset", rows="subset", data=[
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dict(id=6, colId="Lookup3",
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formula="r = People.lookupRecords(order_by='FullName').find.ge('B')\n" +
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"PREVIOUS(r, order_by=None).FullName"),
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dict(id=7, colId="Lookup4",
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formula="r = People.lookupRecords(order_by='FullName').find.eq('Alice')\n" +
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"People.lookupRecords(order_by='FullName').find.next(r).FullName")
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])
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