test: add test

ref #2731
ref #2630

visualization/app/codeCharta/ui/metricChooser/metricType/createAttributeType.selector.spec.ts

@@ -0,0 +1,31 @@
+import { AttributeTypeValue } from "../../../codeCharta.model"
+import { setAreaMetric } from "../../../state/store/dynamicSettings/areaMetric/areaMetric.actions"
+import { setEdgeMetric } from "../../../state/store/dynamicSettings/edgeMetric/edgeMetric.actions"
+import { setAttributeTypes } from "../../../state/store/fileSettings/attributeTypes/attributeTypes.actions"
+import { Store } from "../../../state/store/store"
+import { createAttributeTypeSelector } from "./createAttributeTypeSelector.selector"
+
+describe("createAttributeTypeSelector", () => {
+	beforeEach(() => {
+		Store["initialize"]()
+	})
+
+	it("should default to 'Σ'", () => {
+		const attributeTypeSelector = createAttributeTypeSelector("nodes", "areaMetric")
+		expect(attributeTypeSelector(Store.store.getState())).toBe("Σ")
+	})
+
+	it("should read nodes", () => {
+		Store.store.dispatch(setAttributeTypes({ nodes: { rloc: AttributeTypeValue.relative } }))
+		Store.store.dispatch(setAreaMetric("rloc"))
+		const attributeTypeSelector = createAttributeTypeSelector("nodes", "areaMetric")
+		expect(attributeTypeSelector(Store.store.getState())).toBe("x͂")
+	})
+
+	it("should read edges", () => {
+		Store.store.dispatch(setAttributeTypes({ edges: { avgCommit: AttributeTypeValue.relative } }))
+		Store.store.dispatch(setEdgeMetric("avgCommit"))
+		const attributeTypeSelector = createAttributeTypeSelector("edges", "edgeMetric")
+		expect(attributeTypeSelector(Store.store.getState())).toBe("x͂")
+	})
+})