Add more tests around config resolving

tests/config.test.ts

@@ -1,7 +1,7 @@
-import { resolveAndValidateConfig } from '../src/config'
-import { SensorType, ShellySensor, ShellyType } from '../src/sensor'
-import { Config } from '../src/config'
+import { Config, resolveAndValidateConfig } from '../src/config'
+import { SensorType, ShellySensor, ShellyType, UnmeteredSensor, VirtualSensor } from '../src/sensor'
 import { CircuitType } from '../src/circuit'
+import { createParentChildConfig, createUnmeteredParentChildrenConfig, createVirtualSensorConfig } from './testConfigs'
 
 test('defaults are applied', () => {
   const config = resolveAndValidateConfig({
@@ -25,3 +25,47 @@ test('defaults are applied', () => {
   const sensor = config.circuits[0].sensor as ShellySensor
   expect(sensor.shelly.type).toEqual(ShellyType.Gen1)
 })
+
+test('parent and child circuit is resolved', () => {
+  const config = resolveAndValidateConfig(createParentChildConfig())
+
+  expect(config.circuits[1].parent).toEqual(config.circuits[0])
+  expect(config.circuits[0].children).toEqual([config.circuits[1]])
+})
+
+test('throws error when parent circuit cannot be resolved', () => {
+  const rawConfig = createParentChildConfig()
+  rawConfig.circuits[1].parent = 'Some unknown parent'
+
+  expect(() => resolveAndValidateConfig(rawConfig)).toThrow('Failed to resolve circuit')
+})
+
+test('virtual sensor children are resolved', () => {
+  const config = resolveAndValidateConfig(createVirtualSensorConfig())
+
+  const virtualSensor = config.circuits[1].sensor as VirtualSensor
+  expect(virtualSensor.virtual.children).toEqual([config.circuits[0]])
+})
+
+test('unmetered sensor parent and children are resolved', () => {
+  const rawConfig = createUnmeteredParentChildrenConfig()
+  const config = resolveAndValidateConfig(rawConfig)
+
+  const sensor = config.circuits[3].sensor as UnmeteredSensor
+  expect(sensor.unmetered.parent).toEqual(config.circuits[0])
+  expect(sensor.unmetered.children).toEqual([config.circuits[1], config.circuits[2]])
+})
+
+test('throws when unmetered sensor parent or children cannot be resolved', () => {
+  // Unknown parent
+  const unknownParentConfig = createUnmeteredParentChildrenConfig()
+  unknownParentConfig.circuits[0].name = 'Unknown parent'
+
+  expect(() => resolveAndValidateConfig(unknownParentConfig)).toThrow('Failed to resolve')
+
+  // Unknown child
+  const unknownChildConfig = createUnmeteredParentChildrenConfig()
+  unknownChildConfig.circuits[2].name = 'Unknown child'
+
+  expect(() => resolveAndValidateConfig(unknownChildConfig)).toThrow('Failed to resolve')
+})

tests/testConfigs.ts

@@ -0,0 +1,79 @@
+import { SensorType } from '../src/sensor'
+import { Config } from '../src/config'
+
+export const createParentChildConfig = (): Config => {
+  return {
+    circuits: [
+      {
+        name: 'The parent',
+        sensor: {
+          type: SensorType.Dummy,
+        },
+      },
+      {
+        name: 'The child',
+        parent: 'The parent',
+        sensor: {
+          type: SensorType.Dummy,
+        },
+      },
+    ],
+  } as unknown as Config
+}
+
+export const createVirtualSensorConfig = (): Config => {
+  return {
+    circuits: [
+      {
+        name: 'Some circuit',
+        sensor: {
+          type: SensorType.Dummy,
+        },
+      },
+      {
+        name: 'Some virtual circuit',
+        sensor: {
+          type: SensorType.Virtual,
+          virtual: {
+            children: ['Some circuit'],
+          },
+        },
+      },
+    ],
+  } as unknown as Config
+}
+
+export const createUnmeteredParentChildrenConfig = (): Config => {
+  return {
+    circuits: [
+      {
+        name: 'Total',
+        sensor: {
+          type: SensorType.Dummy,
+        },
+      },
+      {
+        name: 'Some sub-circuit',
+        sensor: {
+          type: SensorType.Dummy,
+        },
+      },
+      {
+        name: 'Some other sub-circuit',
+        sensor: {
+          type: SensorType.Dummy,
+        },
+      },
+      {
+        name: 'Unmetered',
+        sensor: {
+          type: SensorType.Unmetered,
+          unmetered: {
+            parent: 'Total',
+            children: ['Some sub-circuit', 'Some other sub-circuit'],
+          },
+        },
+      },
+    ],
+  } as unknown as Config
+}