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step_test.go
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// Copyright (c) 2022, The Emergent Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package looper
import (
"fmt"
"testing"
"github.com/emer/emergent/v2/looper/levels"
)
var printTest = false
func ExampleStacks() {
stacks := NewStacks()
stacks.AddStack(levels.Train, levels.Trial).
AddLevel(levels.Epoch, 3).
AddLevel(levels.Trial, 2)
// add function closures:
stacks.Loop(levels.Train, levels.Epoch).OnStart.Add("Epoch Start", func() { fmt.Println("Epoch Start") })
stacks.Loop(levels.Train, levels.Epoch).OnEnd.Add("Epoch End", func() { fmt.Println("Epoch End") })
stacks.Loop(levels.Train, levels.Trial).OnStart.Add("Trial Run", func() { fmt.Println(" Trial Run") })
// add events:
stacks.Loop(levels.Train, levels.Epoch).AddEvent("EpochTwoEvent", 2, func() { fmt.Println("Epoch==2") })
stacks.Loop(levels.Train, levels.Trial).AddEvent("TrialOneEvent", 1, func() { fmt.Println(" Trial==1") })
// fmt.Println(stacks.DocString())
stacks.Run(levels.Train)
// Output:
// Epoch Start
// Trial Run
// Trial==1
// Trial Run
// Epoch End
// Epoch Start
// Trial Run
// Trial==1
// Trial Run
// Epoch End
// Epoch==2
// Epoch Start
// Trial Run
// Trial==1
// Trial Run
// Epoch End
}
func TestStep(t *testing.T) {
trialCount := 0
stacks := NewStacks()
stacks.AddStack(levels.Train, levels.Trial).
AddLevel(levels.Run, 2).
AddLevel(levels.Epoch, 5).
AddLevel(levels.Trial, 4).
AddLevel(levels.Cycle, 3)
stacks.Loop(levels.Train, levels.Trial).OnStart.Add("Count Trials", func() { trialCount += 1 })
stacks.Loop(levels.Train, levels.Run).OnEnd.Add("Counters Test", func() {
run := stacks.Stacks[levels.Train].Loops[levels.Run].Counter.Cur
epc := stacks.Stacks[levels.Train].Loops[levels.Epoch].Counter.Cur
if epc != 5 {
t.Errorf("Run %d OnEnd epoch counter should be 5, not: %d", run, epc)
}
})
run := stacks.Stacks[levels.Train].Loops[levels.Run]
epc := stacks.Stacks[levels.Train].Loops[levels.Epoch]
if printTest { // print version for human checking
PrintControlFlow = true
fmt.Println("#### Step Cyc 1:")
stacks.Step(levels.Train, 1, levels.Cycle)
fmt.Println("#### Step Cyc 1:")
stacks.Step(levels.Train, 1, levels.Cycle)
fmt.Println("#### Step Cyc 1:")
stacks.Step(levels.Train, 1, levels.Cycle)
fmt.Println("#### Step Cyc 1:")
stacks.Step(levels.Train, 1, levels.Cycle)
fmt.Println("#### Step Cyc 2:")
stacks.Step(levels.Train, 2, levels.Cycle)
fmt.Println("#### Step Run 1:")
stacks.Step(levels.Train, 1, levels.Run)
if run.Counter.Cur != 1 {
t.Errorf("Incorrect step run")
}
fmt.Println("#### Step Epoch 3:")
stacks.Step(levels.Train, 3, levels.Epoch)
if run.Counter.Cur != 1 || epc.Counter.Cur != 3 {
t.Errorf("Incorrect step epoch")
}
if trialCount != 32 { // 32 = 1*5*4+3*4
t.Errorf("Cycles not counted correctly: %d != 32", trialCount)
}
fmt.Println("#### Step Trial 2:")
stacks.Step(levels.Train, 2, levels.Trial)
if trialCount != 34 { // 34 = 1*5*4+3*4+2
t.Errorf("Cycles not counted correctly: %d != 34", trialCount)
}
} else {
PrintControlFlow = false
stop := stacks.Step(levels.Train, 1, levels.Cycle)
if stop != levels.Cycle {
t.Errorf("stop != Cycle: %s", stop)
}
stop = stacks.Step(levels.Train, 1, levels.Cycle)
if stop != levels.Cycle {
t.Errorf("stop != Cycle: %s", stop)
}
stop = stacks.Step(levels.Train, 1, levels.Cycle)
if stop != levels.Cycle {
t.Errorf("stop != Cycle: %s", stop)
}
stop = stacks.Step(levels.Train, 1, levels.Cycle)
if stop != levels.Cycle {
t.Errorf("stop != Cycle: %s", stop)
}
stop = stacks.Step(levels.Train, 2, levels.Cycle)
if stop != levels.Cycle {
t.Errorf("stop != Cycle: %s", stop)
}
stop = stacks.Step(levels.Train, 1, levels.Run)
if run.Counter.Cur != 1 {
t.Errorf("Incorrect step run")
}
if stop != levels.Run {
t.Errorf("stop != Run: %s", stop)
}
stop = stacks.Step(levels.Train, 3, levels.Epoch)
if run.Counter.Cur != 1 || epc.Counter.Cur != 3 {
t.Errorf("Incorrect step epoch")
}
if stop != levels.Epoch {
t.Errorf("stop != Epoch: %s", stop)
}
if trialCount != 32 { // 32 = 1*5*4+3*4
t.Errorf("Cycles not counted correctly: %d != 32", trialCount)
}
stop = stacks.Step(levels.Train, 2, levels.Trial)
if trialCount != 34 { // 34 = 1*5*4+3*4+2
t.Errorf("Cycles not counted correctly: %d != 34", trialCount)
}
if stop != levels.Trial {
t.Errorf("stop != Trial: %s", stop)
}
}
}
func TestStepIncr(t *testing.T) {
trialCount := 0
stacks := NewStacks()
stacks.AddStack(levels.Train, levels.Trial).
AddLevel(levels.Run, 2).
AddLevel(levels.Epoch, 5).
AddLevelIncr(levels.Trial, 10, 3).
AddLevel(levels.Cycle, 3)
stacks.Loop(levels.Train, levels.Trial).OnStart.Add("Count Trials", func() { trialCount += 1 })
stacks.Loop(levels.Train, levels.Run).OnEnd.Add("Counters Test", func() {
run := stacks.Stacks[levels.Train].Loops[levels.Run].Counter.Cur
epc := stacks.Stacks[levels.Train].Loops[levels.Epoch].Counter.Cur
if epc != 5 {
t.Errorf("Run %d OnEnd epoch counter should be 5, not: %d", run, epc)
}
})
run := stacks.Stacks[levels.Train].Loops[levels.Run]
epc := stacks.Stacks[levels.Train].Loops[levels.Epoch]
if printTest { // print version for human checking
PrintControlFlow = true
fmt.Println("#### Step Cyc 1:")
stacks.Step(levels.Train, 1, levels.Cycle)
fmt.Println("#### Step Cyc 1:")
stacks.Step(levels.Train, 1, levels.Cycle)
fmt.Println("#### Step Cyc 1:")
stacks.Step(levels.Train, 1, levels.Cycle)
fmt.Println("#### Step Cyc 1:")
stacks.Step(levels.Train, 1, levels.Cycle)
fmt.Println("#### Step Cyc 2:")
stacks.Step(levels.Train, 2, levels.Cycle)
fmt.Println("#### Step Run 1:")
stacks.Step(levels.Train, 1, levels.Run)
if run.Counter.Cur != 1 {
t.Errorf("Incorrect step run")
}
fmt.Println("#### Step Epoch 3:")
stacks.Step(levels.Train, 3, levels.Epoch)
if run.Counter.Cur != 1 || epc.Counter.Cur != 3 {
t.Errorf("Incorrect step epoch")
}
if trialCount != 32 { // 32 = 1*5*4+3*4
t.Errorf("Cycles not counted correctly: %d != 32", trialCount)
}
fmt.Println("#### Step Trial 2:")
stacks.Step(levels.Train, 2, levels.Trial)
if trialCount != 34 { // 34 = 1*5*4+3*4+2
t.Errorf("Cycles not counted correctly: %d != 34", trialCount)
}
} else {
PrintControlFlow = false
stacks.Step(levels.Train, 1, levels.Cycle)
stacks.Step(levels.Train, 1, levels.Cycle)
stacks.Step(levels.Train, 1, levels.Cycle)
stacks.Step(levels.Train, 1, levels.Cycle)
stacks.Step(levels.Train, 2, levels.Cycle)
stacks.Step(levels.Train, 1, levels.Run)
if run.Counter.Cur != 1 {
t.Errorf("Incorrect step run")
}
stacks.Step(levels.Train, 3, levels.Epoch)
if run.Counter.Cur != 1 || epc.Counter.Cur != 3 {
t.Errorf("Incorrect step epoch")
}
if trialCount != 32 { // 32 = 1*5*4+3*4
t.Errorf("Cycles not counted correctly: %d != 32", trialCount)
}
stacks.Step(levels.Train, 2, levels.Trial)
if trialCount != 34 { // 34 = 1*5*4+3*4+2
t.Errorf("Cycles not counted correctly: %d != 34", trialCount)
}
}
}