Implemented confi snapshots

2026-06-21 23:50:03 +02:00
parent 04d31a15c4
commit 113e5a0fe8
51 changed files with 4921 additions and 241 deletions
@@ -0,0 +1,83 @@
+package confmgr
+
+import (
+	"errors"
+	"testing"
+)
+
+func TestSnapshotCapturesAndCoerces(t *testing.T) {
+	set := ConfigSet{
+		ID:   "set1",
+		Name: "s",
+		Parameters: []Parameter{
+			{Key: "v", DS: "epics", Signal: "PSU:V", Type: TypeFloat},
+			{Key: "n", DS: "epics", Signal: "PSU:N", Type: TypeInt},
+			{Key: "en", DS: "epics", Signal: "PSU:EN", Type: TypeBool},
+			{Key: "mode", DS: "epics", Signal: "PSU:MODE", Type: TypeEnum, EnumValues: []string{"off", "low", "high"}},
+			{Key: "wf", DS: "epics", Signal: "PSU:WF", Type: TypeFloatArray},
+			{Key: "lbl", DS: "epics", Signal: "PSU:LBL", Type: TypeString},
+		},
+	}
+	live := map[string]any{
+		"PSU:V":    24.5,
+		"PSU:N":    3.0,         // float reading → coerced to int64
+		"PSU:EN":   int64(1),    // numeric → bool true
+		"PSU:MODE": int64(2),    // enum index → "high"
+		"PSU:WF":   []float64{1, 2, 3},
+		"PSU:LBL":  "ready",
+	}
+	res := Snapshot(set, func(_, signal string) (any, error) {
+		v, ok := live[signal]
+		if !ok {
+			return nil, errors.New("not read")
+		}
+		return v, nil
+	})
+
+	if res.Captured != 6 || res.Failed != 0 {
+		t.Fatalf("summary: captured=%d failed=%d", res.Captured, res.Failed)
+	}
+	if res.Values["v"] != 24.5 {
+		t.Errorf("v = %v, want 24.5", res.Values["v"])
+	}
+	if res.Values["n"] != int64(3) {
+		t.Errorf("n = %v (%T), want int64(3)", res.Values["n"], res.Values["n"])
+	}
+	if res.Values["en"] != true {
+		t.Errorf("en = %v, want true", res.Values["en"])
+	}
+	if res.Values["mode"] != "high" {
+		t.Errorf("mode = %v, want high", res.Values["mode"])
+	}
+	if res.Values["lbl"] != "ready" {
+		t.Errorf("lbl = %v, want ready", res.Values["lbl"])
+	}
+	// The captured values must validate against the set.
+	inst := ConfigInstance{SetID: set.ID, Values: res.Values}
+	if err := inst.ValidateAgainst(set); err != nil {
+		t.Errorf("snapshot values fail validation: %v", err)
+	}
+}
+
+func TestSnapshotReadFailureRecorded(t *testing.T) {
+	set := ConfigSet{
+		ID:   "set1",
+		Name: "s",
+		Parameters: []Parameter{
+			{Key: "a", DS: "epics", Signal: "A", Type: TypeFloat},
+			{Key: "b", DS: "epics", Signal: "B", Type: TypeFloat},
+		},
+	}
+	res := Snapshot(set, func(_, signal string) (any, error) {
+		if signal == "B" {
+			return nil, errors.New("offline")
+		}
+		return 1.0, nil
+	})
+	if res.Captured != 1 || res.Failed != 1 {
+		t.Fatalf("summary: captured=%d failed=%d", res.Captured, res.Failed)
+	}
+	if _, ok := res.Values["b"]; ok {
+		t.Errorf("failed parameter must not appear in values")
+	}
+}