test(evm-state): increase unit tests coverage (#1289)

* Test service-provider

* Rename variable

* Rename parameter

* Test state

* Fix test

* Rename variable

Author: sebastijankuzner

packages/evm-state/source/service-provider.test.ts

@@ -0,0 +1,24 @@
+import { Identifiers } from "@mainsail/constants";
+
+import { Application } from "@mainsail/kernel";
+
+import { describe } from "@mainsail/test-runner";
+import { ServiceProvider } from "./service-provider";
+
+describe<{
+	app: Application;
+	serviceProvider: ServiceProvider;
+}>("ServiceProvider", ({ beforeEach, it, assert }) => {
+	beforeEach((context) => {
+		const app = new Application();
+
+		context.serviceProvider = app.resolve(ServiceProvider);
+		context.app = app;
+	});
+
+	it("#register - should be ok", async ({ serviceProvider, app }) => {
+		await serviceProvider.register();
+
+		assert.true(app.isBound(Identifiers.Evm.State));
+	});
+});

packages/evm-state/source/state.test.ts

@@ -0,0 +1,23 @@
+import { Application } from "@mainsail/kernel";
+import type { Contracts } from "@mainsail/contracts";
+
+import { describe } from "@mainsail/test-runner";
+import { State } from "./state";
+
+describe<{
+	state: Contracts.Evm.State;
+}>("ServiceProvider", ({ beforeEach, it, assert }) => {
+	beforeEach((context) => {
+		const app = new Application();
+		context.state = app.resolve(State);
+	});
+
+	it("#peerCount - should have default value 0", async ({ state }) => {
+		assert.equal(state.peerCount, 0);
+	});
+
+	it("#peerCount - should be set and read", async ({ state }) => {
+		state.peerCount = 5;
+		assert.equal(state.peerCount, 5);
+	});
+});