Derive project device phases from category

tests/project-device-placement.service.test.ts

@@ -3,36 +3,27 @@ import { describe, it } from "node:test";
 import {
   inferProjectDeviceSectionKey,
   isProjectDevicePlacementValid,
+  resolveProjectDevicePhaseType,
 } from "../src/domain/services/project-device-placement.service.js";
 
 describe("project device placement", () => {
-  it("routes lighting categories to the lighting section before phase classification", () => {
-    assert.equal(
-      inferProjectDeviceSectionKey({ category: "Lighting", phaseType: "three_phase" }),
-      "lighting"
-    );
-    assert.equal(
-      inferProjectDeviceSectionKey({ category: "Beleuchtung", phaseType: "single_phase" }),
-      "lighting"
-    );
-  });
-
-  it("routes non-lighting devices by phase type", () => {
-    assert.equal(
-      inferProjectDeviceSectionKey({ category: "Socket", phaseType: "single_phase" }),
-      "single_phase"
-    );
-    assert.equal(
-      inferProjectDeviceSectionKey({ category: "Motor", phaseType: "three_phase" }),
-      "three_phase"
-    );
+  it("routes project devices by their required category", () => {
+    assert.equal(inferProjectDeviceSectionKey({ category: "lighting" }), "lighting");
+    assert.equal(inferProjectDeviceSectionKey({ category: "single_phase" }), "single_phase");
+    assert.equal(inferProjectDeviceSectionKey({ category: "three_phase" }), "three_phase");
   });
 
   it("accepts only the inferred default section", () => {
-    const device = { category: "Motor", phaseType: "three_phase" as const };
+    const device = { category: "three_phase" as const };
 
     assert.equal(isProjectDevicePlacementValid(device, { key: "three_phase" }), true);
     assert.equal(isProjectDevicePlacementValid(device, { key: "single_phase" }), false);
     assert.equal(isProjectDevicePlacementValid(device, { key: "unassigned" }), false);
   });
+
+  it("derives the electrical phase type from the category", () => {
+    assert.equal(resolveProjectDevicePhaseType("lighting"), "single_phase");
+    assert.equal(resolveProjectDevicePhaseType("single_phase"), "single_phase");
+    assert.equal(resolveProjectDevicePhaseType("three_phase"), "three_phase");
+  });
 });