damccorm commented on code in PR #17429: URL: https://github.com/apache/beam/pull/17429#discussion_r864441839
########## sdks/go/cmd/specialize/main_test.go: ########## @@ -0,0 +1,146 @@ +// Licensed to the Apache Software Foundation (ASF) under one or more +// contributor license agreements. See the NOTICE file distributed with +// this work for additional information regarding copyright ownership. +// The ASF licenses this file to You under the Apache License, Version 2.0 +// (the "License"); you may not use this file except in compliance with +// the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package main + +import ( + "fmt" + "testing" +) + +func TestGenericTypingRepresentation(t *testing.T) { + tests := []struct { + in int + out int + includeType bool + representation string + }{ + {0, 0, true, ""}, + {0, 0, false, ""}, + {0, 1, true, "[R0 any]"}, + {0, 1, false, "[R0]"}, + {0, 3, true, "[R0, R1, R2 any]"}, + {0, 3, false, "[R0, R1, R2]"}, + {1, 0, true, "[I0 any]"}, + {1, 0, false, "[I0]"}, + {3, 0, true, "[I0, I1, I2 any]"}, + {3, 0, false, "[I0, I1, I2]"}, + {1, 1, true, "[I0, R0 any]"}, + {1, 1, false, "[I0, R0]"}, + {4, 1, true, "[I0, I1, I2, I3, R0 any]"}, + {4, 1, false, "[I0, I1, I2, I3, R0]"}, + {4, 2, true, "[I0, I1, I2, I3, R0, R1 any]"}, + {4, 2, false, "[I0, I1, I2, I3, R0, R1]"}, + {1, 2, true, "[I0, R0, R1 any]"}, + {1, 2, false, "[I0, R0, R1]"}, + } + + for _, test := range tests { + if got, want := genericTypingRepresentation(test.in, test.out, test.includeType), test.representation; got != want { + t.Errorf("genericTypingRepresentation(%v, %v, %v) = %v, want: %v", test.in, test.out, test.includeType, got, want) + } + } +} + +func TestPossibleBundleLifecycleParameterCombos(t *testing.T) { + tests := []struct { + numIn int + processElementIn int + representation [][]string + }{ + {0, 0, [][]string{[]string{}}}, + {0, 1, [][]string{[]string{}}}, + {1, 0, [][]string{[]string{"context.Context"}, []string{"typex.PaneInfo"}, []string{"[]typex.Window"}, []string{"typex.EventTime"}, []string{"typex.BundleFinalization"}}}, + {1, 1, [][]string{[]string{"I0"}, []string{"context.Context"}, []string{"typex.PaneInfo"}, []string{"[]typex.Window"}, []string{"typex.EventTime"}, []string{"typex.BundleFinalization"}}}, + {2, 1, [][]string{[]string{"context.Context", "I0"}, []string{"context.Context", "typex.PaneInfo"}, []string{"context.Context", "[]typex.Window"}, []string{"context.Context", "typex.EventTime"}, []string{"context.Context", "typex.BundleFinalization"}, + []string{"typex.PaneInfo", "I0"}, []string{"typex.PaneInfo", "[]typex.Window"}, []string{"typex.PaneInfo", "typex.EventTime"}, []string{"typex.PaneInfo", "typex.BundleFinalization"}, + []string{"[]typex.Window", "I0"}, []string{"[]typex.Window", "typex.EventTime"}, []string{"[]typex.Window", "typex.BundleFinalization"}, + []string{"typex.EventTime", "I0"}, []string{"typex.EventTime", "typex.BundleFinalization"}, + []string{"typex.BundleFinalization", "I0"}}}, + {2, 2, [][]string{[]string{"context.Context", "I1"}, []string{"context.Context", "typex.PaneInfo"}, []string{"context.Context", "[]typex.Window"}, []string{"context.Context", "typex.EventTime"}, []string{"context.Context", "typex.BundleFinalization"}, + []string{"typex.PaneInfo", "I1"}, []string{"typex.PaneInfo", "[]typex.Window"}, []string{"typex.PaneInfo", "typex.EventTime"}, []string{"typex.PaneInfo", "typex.BundleFinalization"}, + []string{"[]typex.Window", "I1"}, []string{"[]typex.Window", "typex.EventTime"}, []string{"[]typex.Window", "typex.BundleFinalization"}, + []string{"typex.EventTime", "I1"}, []string{"typex.EventTime", "typex.BundleFinalization"}, + []string{"typex.BundleFinalization", "I1"}, + []string{"I0", "I1"}}}, + {2, 3, [][]string{[]string{"context.Context", "I2"}, []string{"context.Context", "typex.PaneInfo"}, []string{"context.Context", "[]typex.Window"}, []string{"context.Context", "typex.EventTime"}, []string{"context.Context", "typex.BundleFinalization"}, + []string{"typex.PaneInfo", "I2"}, []string{"typex.PaneInfo", "[]typex.Window"}, []string{"typex.PaneInfo", "typex.EventTime"}, []string{"typex.PaneInfo", "typex.BundleFinalization"}, + []string{"[]typex.Window", "I2"}, []string{"[]typex.Window", "typex.EventTime"}, []string{"[]typex.Window", "typex.BundleFinalization"}, + []string{"typex.EventTime", "I2"}, []string{"typex.EventTime", "typex.BundleFinalization"}, + []string{"typex.BundleFinalization", "I2"}, + []string{"I1", "I2"}}}, + } + + for _, test := range tests { + got, want := possibleBundleLifecycleParameterCombos(test.numIn, test.processElementIn), test.representation + assertRepresentationEquals(t, got, want, fmt.Sprintf("possibleBundleLifecycleParameterCombos(%v, %v)", test.numIn, test.processElementIn)) + } +} + +func TestMakeStructRegisterEntry(t *testing.T) { + tests := []struct { + structName string + functionName string + ins []string + outs []string + entry string + }{ + {"StartBundle", "startBundle", []string{}, []string{}, "reflectx.MakeFunc(func() { fn.(StartBundle0x0).startBundle() })"}, + {"StartBundle", "startBundle", []string{"context.Context"}, []string{}, "reflectx.MakeFunc(func(a0 context.Context) { fn.(StartBundle1x0[context.Context]).startBundle(a0) })"}, + {"StartBundle", "startBundle", []string{"context.Context", "I0"}, []string{}, "reflectx.MakeFunc(func(a0 context.Context, a1 I0) { fn.(StartBundle2x0[context.Context, I0]).startBundle(a0, a1) })"}, + {"FinishBundle", "finishBundle", []string{}, []string{"[]typex.Window"}, "reflectx.MakeFunc(func() ([]typex.Window){ return fn.(FinishBundle0x1[[]typex.Window]).finishBundle() })"}, + {"FinishBundle", "finishBundle", []string{}, []string{"[]typex.Window", "R0"}, "reflectx.MakeFunc(func() ([]typex.Window, R0){ return fn.(FinishBundle0x2[[]typex.Window, R0]).finishBundle() })"}, + {"FinishBundle", "finishBundle", []string{"I0"}, []string{"[]typex.Window", "R0"}, "reflectx.MakeFunc(func(a0 I0) ([]typex.Window, R0){ return fn.(FinishBundle1x2[I0, []typex.Window, R0]).finishBundle(a0) })"}, + {"FinishBundle", "finishBundle", []string{"context.Context", "I0"}, []string{"[]typex.Window", "R0"}, "reflectx.MakeFunc(func(a0 context.Context, a1 I0) ([]typex.Window, R0){ return fn.(FinishBundle2x2[context.Context, I0, []typex.Window, R0]).finishBundle(a0, a1) })"}, + } + + for _, test := range tests { + if got, want := makeStructRegisterEntry(test.structName, test.functionName, test.ins, test.outs), test.entry; got != want { + t.Errorf("makeStructRegisterEntry(\"%v\", \"%v\", %v, %v) = %v, want: %v", test.structName, test.functionName, test.ins, test.outs, got, want) + } + } +} + +func assertRepresentationEquals(t *testing.T, got [][]string, want [][]string, functionInvocation string) { Review Comment: Yep, simplifying a little bit makes moving into the caller palatable -- This is an automated message from the Apache Git Service. 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