fix: throw an error when versions don't match

src/commands/cli/versions/inspect.ts

@@ -10,7 +10,7 @@ import * as path from 'path';
 import * as fg from 'fast-glob';
 import { exec } from 'shelljs';
 import { flags, FlagsConfig, SfdxCommand } from '@salesforce/command';
-import { fs, Messages } from '@salesforce/core';
+import { fs, Messages, SfdxError } from '@salesforce/core';
 import { green, red, cyan, yellow, bold } from 'chalk';
 import { PackageJson } from '../../../package';
 
@@ -23,28 +23,28 @@ const STABLE_PATH = 'https://developer.salesforce.com/media/salesforce-cli/sfdx/
 const STABLE_RC_PATH = 'https://developer.salesforce.com/media/salesforce-cli/sfdx/channels/stable-rc';
 const SALESFORCE_DEP_GLOBS = ['@salesforce/**/*', 'salesforce-alm', 'salesforcedx'];
 
-type Info = {
+export type Info = {
   origin: string;
   version: string;
   channel: Channel;
   location: Location;
   dependencies?: Dependency[];
 };
 
-type Dependency = {
+export type Dependency = {
   name: string;
   version: string;
 };
 
-enum Channel {
+export enum Channel {
   LEGACY = 'legacy',
   STABLE = 'stable',
   STABLE_RC = 'stable-rc',
   LATEST = 'latest',
   LATEST_RC = 'latest-rc',
 }
 
-enum Location {
+export enum Location {
   ARCHIVE = 'archive',
   NPM = 'npm',
 }
@@ -267,6 +267,8 @@ export default class Inspect extends SfdxCommand {
   }
 
   private logResults(results: Info[], locations: Location[], channels: Channel[]): void {
+    let allMatch: boolean;
+    let npmAndArchivesMatch: boolean;
     this.ux.log();
     results.forEach((result) => {
       this.ux.log(bold(`${result.origin}: ${green(result.version)}`));
@@ -282,7 +284,7 @@ export default class Inspect extends SfdxCommand {
       this.ux.log(`${'All archives match?'} ${archivesMatch ? green(archivesMatch) : yellow(archivesMatch)}`);
 
       channels.forEach((channel) => {
-        const allMatch = new Set(results.filter((r) => r.channel === channel).map((r) => r.version)).size === 1;
+        allMatch = new Set(results.filter((r) => r.channel === channel).map((r) => r.version)).size === 1;
         this.ux.log(
           `${`All ${Location.ARCHIVE}@${channel} versions match?`} ${allMatch ? green(allMatch) : red(allMatch)}`
         );
@@ -296,7 +298,7 @@ export default class Inspect extends SfdxCommand {
           const npmChannel = CHANNEL_MAPPING[Location.NPM][channel];
           const archiveChannel = CHANNEL_MAPPING[Location.ARCHIVE][channel];
 
-          const npmAndArchivesMatch =
+          npmAndArchivesMatch =
             new Set(
               results.filter((r) => r.channel === npmChannel || r.channel === archiveChannel).map((r) => r.version)
             ).size === 1;
@@ -307,5 +309,9 @@ export default class Inspect extends SfdxCommand {
           );
         });
     }
+    // npmAndArchivesMatch can be undefined
+    if ((npmAndArchivesMatch !== undefined && !npmAndArchivesMatch) || !allMatch) {
+      throw new SfdxError('Version Mismatch');
+    }
   }
 }

test/commands/inspect.test.ts

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2020, salesforce.com, inc.
+ * All rights reserved.
+ * Licensed under the BSD 3-Clause license.
+ * For full license text, see LICENSE.txt file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+ */
+import { IConfig } from '@oclif/config';
+import { expect } from '@salesforce/command/lib/test';
+import Inspect from '../../lib/commands/cli/versions/inspect';
+import { Channel, Info, Location } from '../../src/commands/cli/versions/inspect';
+
+describe('cli:versions:inspect', () => {
+  let cmd;
+  beforeEach(() => {
+    cmd = new Inspect(['-c', 'stable', '-l', 'archive'], {} as IConfig);
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+    // @ts-ignore
+    cmd.ux = {
+      // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+      // @ts-ignore
+      log: () => {},
+    };
+  });
+
+  it('should throw an error when versions are different', () => {
+    const results: Info[] = [
+      {
+        location: Location.ARCHIVE,
+        version: '1.0.0',
+        origin: '',
+        channel: Channel.STABLE,
+        dependencies: [{ name: 'dep1', version: '1.0.0' }],
+      },
+      {
+        location: Location.ARCHIVE,
+        version: '1.1.1',
+        origin: '',
+        channel: Channel.STABLE,
+        dependencies: [{ name: 'dep1', version: '1.1.1' }],
+      },
+    ];
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+    // @ts-ignore private method
+    expect(() => cmd.logResults(results, Location.ARCHIVE, [Channel.STABLE])).to.throw('Version Mismatch');
+  });
+
+  it('should throw an error when versions are different and locations are different', () => {
+    const results: Info[] = [
+      {
+        location: Location.NPM,
+        version: '1.0.0',
+        origin: '',
+        channel: Channel.STABLE,
+        dependencies: [{ name: 'dep1', version: '1.0.0' }],
+      },
+      {
+        location: Location.ARCHIVE,
+        version: '1.1.1',
+        origin: '',
+        channel: Channel.STABLE,
+        dependencies: [{ name: 'dep1', version: '1.1.1' }],
+      },
+    ];
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+    // @ts-ignore private method
+    expect(() => cmd.logResults(results, Location.ARCHIVE, [Channel.STABLE])).to.throw('Version Mismatch');
+  });
+
+  it('should not throw an error when versions match', () => {
+    const results: Info[] = [
+      {
+        location: Location.ARCHIVE,
+        version: '1.0.0',
+        origin: '',
+        channel: Channel.STABLE,
+        dependencies: [{ name: 'dep1', version: '1.0.0' }],
+      },
+      {
+        location: Location.ARCHIVE,
+        version: '1.0.0',
+        origin: '',
+        channel: Channel.STABLE,
+        dependencies: [{ name: 'dep1', version: '1.0.0' }],
+      },
+    ];
+    try {
+      // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+      // @ts-ignore private method
+      cmd.logResults(results, Location.ARCHIVE, [Channel.STABLE]);
+    } catch (e) {
+      expect(e).to.be.undefined;
+    }
+  });
+});