feat: add 'config' command

src/cli/commands/config/index.ts

@@ -0,0 +1,25 @@
+import { Testplane } from "../../../testplane";
+import { CliCommands } from "../../constants";
+import logger from "../../../utils/logger";
+
+const { CONFIG: commandName } = CliCommands;
+
+export const registerCmd = (cliTool: typeof commander, testplane: Testplane): void => {
+    cliTool
+        .command(commandName)
+        .description("Outputs Testplane config (including default and overriden by environment variables values)")
+        .option("-c, --config <path>", "path to configuration file")
+        .option("--space <count>", "white spaces count to insert into the JSON output", Number, 0)
+        .action(async (options: typeof commander) => {
+            const { space } = options;
+
+            try {
+                console.info(JSON.stringify(testplane.config, null, space));
+
+                process.exit(0);
+            } catch (err) {
+                logger.error((err as Error).stack || err);
+                process.exit(1);
+            }
+        });
+};

src/cli/commands/install-deps/index.ts

@@ -29,6 +29,7 @@ export const registerCmd = (cliTool: typeof commander, testplane: Testplane): vo
     cliTool
         .command(commandName)
         .description("Install browsers to run locally with 'gridUrl': 'local' or '--local' cli argument")
+        .option("-c, --config <path>", "path to configuration file")
         .arguments("[browsers...]")
         .action(async (browsers: string[]) => {
             try {

src/cli/commands/list-browsers/index.ts

@@ -62,6 +62,7 @@ export const registerCmd = (cliTool: typeof commander, testplane: Testplane): vo
     cliTool
         .command(commandName)
         .description("Lists all browsers from the config")
+        .option("-c, --config <path>", "path to configuration file")
         .option(
             "--type [type]",
             "return browsers in specified type ('tags': browserName and browserVersion, 'ids': browserId from config)",

src/cli/constants.ts

@@ -1,4 +1,5 @@
 export const CliCommands = {
+    CONFIG: "config",
     LIST_TESTS: "list-tests",
     LIST_BROWSERS: "list-browsers",
     INSTALL_DEPS: "install-deps",

test/src/cli/commands/config/index.ts

@@ -0,0 +1,55 @@
+import { Command } from "@gemini-testing/commander";
+import sinon, { SinonStub, SinonSpy } from "sinon";
+
+import { Testplane } from "../../../../../src/testplane";
+import * as testplaneCli from "../../../../../src/cli";
+
+describe("cli/commands/config", () => {
+    const sandbox = sinon.createSandbox();
+
+    let testplaneStub: Testplane;
+    let consoleInfoStub: SinonStub;
+    let jsonStringifyStub: SinonSpy;
+
+    const config_ = async (options: string[] = [], cli: { run: VoidFunction } = testplaneCli): Promise<void> => {
+        process.argv = ["foo/bar/node", "foo/bar/script", "config", ...options];
+        cli.run();
+
+        await (Command.prototype.action as SinonStub).lastCall.returnValue;
+    };
+
+    beforeEach(() => {
+        testplaneStub = Object.create(Testplane.prototype);
+
+        sandbox.stub(Testplane, "create").returns(testplaneStub);
+
+        consoleInfoStub = sandbox.stub(console, "info");
+        jsonStringifyStub = sandbox.spy(JSON, "stringify");
+
+        sandbox.stub(process, "exit");
+
+        sandbox.spy(Command.prototype, "action");
+    });
+
+    afterEach(() => sandbox.restore());
+
+    it("should exit with code 0", async () => {
+        await config_();
+
+        assert.calledOnceWith(process.exit as unknown as SinonStub, 0);
+    });
+
+    it("should output testplane config", async () => {
+        await config_();
+
+        assert.calledWith(jsonStringifyStub, testplaneStub.config, null, 0);
+        assert.calledOnceWith(consoleInfoStub, JSON.stringify(testplaneStub.config, null, 0));
+    });
+
+    it("should output testplane config with spacing", async () => {
+        await config_(["--space", "4"]);
+
+        assert.calledWith(jsonStringifyStub, testplaneStub.config, null, 4);
+        assert.calledOnceWith(consoleInfoStub, JSON.stringify(testplaneStub.config, null, 4));
+    });
+});