succd: add ci, tests

.forgejo/workflows/succd.yaml

@@ -0,0 +1,8 @@
+on: [push]
+jobs:
+  test:
+    runs-on: docker
+    container: golang:1.23-bookworm
+    steps:
+      - uses: github.com/actions/checkout@v3
+      - run: cd succbone/succd && ./ci.sh

succbone/succd/ci.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -e
+set -o pipefail
+
+if [ ! -f go.mod ]; then
+    echo "Script needs to be run with in succd directory."
+    exit 1
+fi
+
+echo "Running gofmt..."
+GOFMT_OUT="$(gofmt -d $(find . -name '*.go'))"
+if [ -n "$GOFMT_OUT" ]; then
+    echo "gofmt generated differences, please run 'go fmt ./' and try again."
+    echo "$GOFMT_OUT"
+    exit 1
+fi
+
+echo "Running govet..."
+GOVET_OUT="$(go vet ./)"
+if [ -n "$GOVET_OUT" ]; then
+    echo "go vet found the following errors:"
+    echo "$GOVET_OUT"
+    exit 1
+fi
+
+echo "Running tests..."
+go test ./
+
+echo "OK."
+

succbone/succd/process_blocks_test.go

@@ -0,0 +1,72 @@
+package main
+
+import (
+	"math"
+	"testing"
+	"time"
+)
+
+func TestMomentaryOutput(t *testing.T) {
+	mo := momentaryOutput{}
+	mo.trigger()
+	mo.process()
+	if !mo.output {
+		t.Fatalf("output didn't trigger")
+	}
+	mo.process()
+	if !mo.output {
+		t.Fatalf("output didn't keep triggered")
+	}
+	time.Sleep(time.Second)
+	mo.process()
+	if mo.output {
+		t.Fatalf("output didn't untrigger")
+	}
+}
+
+func TestThresholdOutput(t *testing.T) {
+	to := thresholdOutput{
+		threshold: 1,
+	}
+	to.process(0)
+	if to.output {
+		t.Fatalf("output shouldn't have triggered")
+	}
+	to.process(2)
+	if !to.output {
+		t.Fatalf("output should have triggered")
+	}
+	to.process(0)
+	if !to.output {
+		t.Fatalf("output should have triggered (in debounce)")
+	}
+}
+
+func TestRingbufferInput(t *testing.T) {
+	ri := ringbufferInput{
+		limit: 3,
+	}
+	if ri.saturated() {
+		t.Fatal("ringbuffer shouldn't be saturated yet")
+	}
+	ri.process(1)
+	if ri.saturated() {
+		t.Fatal("ringbuffer shouldn't be saturated yet")
+	}
+	ri.process(2)
+	if ri.saturated() {
+		t.Fatal("ringbuffer shouldn't be saturated yet")
+	}
+	ri.process(3)
+	if !ri.saturated() {
+		t.Fatalf("ringbuffer should be saturated")
+	}
+
+	if diff := math.Abs(float64(ri.avg) - 2); diff > 0.01 {
+		t.Fatalf("ringbuffer avg should be ~2, is %f", ri.avg)
+	}
+	ri.process(10)
+	if diff := math.Abs(float64(ri.avg) - 5); diff > 0.01 {
+		t.Fatalf("ringbuffer avg should be ~5, is %f", ri.avg)
+	}
+}