Enable skipped tests on Windows

Use the stop host command to stop alt-host so that the tests that depend
on it can also be run on Windows.

test/host/server.js

@@ -211,9 +211,6 @@ describe("host/server", function() {
 
 		describe(".stop()", function() {
 			it("should handle server quitting on its own during stop", async function() {
-				if (process.platform === "win32") {
-					this.skip();
-				}
 				server.hangTimeoutMs = 20;
 				server._server = new events.EventEmitter();
 				server._server.kill = () => true;

test/integration/clusterio.js

@@ -48,8 +48,21 @@ async function startAltHost() {
 
 async function stopAltHost(hostProcess) {
 	if (hostProcess && hostProcess.exitCode === null) {
-		hostProcess.kill("SIGINT");
-		await events.once(hostProcess, "exit");
+		const waitForExit = lib.timeout(
+			events.once(hostProcess, "exit"),
+			10e3,
+			"timeout"
+		).catch(() => {});
+		try {
+			await execCtl("host stop 5");
+		} catch (err) {
+			// Some tests cause the host to stop
+		}
+		if (await waitForExit === "timeout" && hostProcess.exitCode === null) {
+			// eslint-disable-next-line no-console
+			console.warn("Stopping alt-host failed. Killing.");
+			hostProcess.kill("SIGINT");
+		}
 	}
 }
 
@@ -148,12 +161,6 @@ describe("Integration of Clusterio", function() {
 	describe("clusteriohost", function() {
 		describe("hostUpdateEventHandler()", function() {
 			it("should trigger when a new host is added", async function() {
-				// On windows there's currently no way to automate graceful shutdown of the host
-				// process as CTRL+C is some weird terminal thing and SIGINT isn't a thing.
-				if (process.platform === "win32") {
-					this.skip();
-				}
-
 				slowTest(this);
 				getControl().hostUpdates = [];
 
@@ -189,12 +196,6 @@ describe("Integration of Clusterio", function() {
 			});
 		});
 		it("should download mods from controller", async function() {
-			// On windows there's currently no way to automate graceful shutdown of the host
-			// process as CTRL+C is some weird terminal thing and SIGINT isn't a thing.
-			if (process.platform === "win32") {
-				this.skip();
-			}
-
 			slowTest(this);
 			await runWithAltHost(async () => {
 				const clusterioLib = path.join("temp", "test", "alt-mods", "clusterio_lib_0.1.2.zip");
@@ -206,12 +207,6 @@ describe("Integration of Clusterio", function() {
 			});
 		});
 		it("should auto start instances with auto_start enabled", async function() {
-			// On windows there's currently no way to automate graceful shutdown of the host
-			// process as CTRL+C is some weird terminal thing and SIGINT isn't a thing.
-			if (process.platform === "win32") {
-				this.skip();
-			}
-
 			slowTest(this);
 
 			let hostProcess;
@@ -310,12 +305,6 @@ describe("Integration of Clusterio", function() {
 		});
 		describe("host revoke-token", async function() {
 			it("should disconnect existing host", async function() {
-				// On windows there's currently no way to automate graceful shutdown of the host
-				// process as CTRL+C is some weird terminal thing and SIGINT isn't a thing.
-				if (process.platform === "win32") {
-					this.skip();
-				}
-
 				slowTest(this);
 				let sawDisconnected;
 				await runWithAltHost(async () => {
@@ -774,11 +763,6 @@ describe("Integration of Clusterio", function() {
 					if (remote) {
 						let hostProcess;
 						before(async function() {
-							// On windows there's currently no way to automate graceful shutdown of the host
-							// process as CTRL+C is some weird terminal thing and SIGINT isn't a thing.
-							if (process.platform === "win32") {
-								this.skip();
-							}
 							slowTest(this);
 
 							hostProcess = await startAltHost();
@@ -907,12 +891,8 @@ describe("Integration of Clusterio", function() {
 				slowTest(this);
 				let statusesToCheck = new Set([
 					"unassigned", "stopped", "creating_save", "exporting_data",
-					"starting", "running", "stopping", "deleted",
+					"starting", "running", "stopping", "deleted", "unknown",
 				]);
-				// Windows does not see the unknown status because alt-host is not spawned.
-				if (process.platform !== "win32") {
-					statusesToCheck.add("unknown");
-				}
 				let statusesNotSeen = new Set(statusesToCheck);
 
 				for (let update of getControl().instanceUpdates) {

test/integration/server.js

@@ -219,10 +219,6 @@ describe("Integration of host/src/server", function() {
 
 		describe(".start() termination detection", function() {
 			it("should tell if Factorio got killed", async function() {
-				// This does not work on Windows
-				if (process.platform === "win32") {
-					this.skip();
-				}
 				slowTest(this);
 				log(".start() for kill detection");