add failing test for larger than 0 patch number

Signed-off-by: Gary Lockett <[email protected]>

Author: Gary Lockett

src/config/app.spec.ts

@@ -1,7 +1,27 @@
 import {PathLike} from 'fs';
-import createConfig from './app';
+import createConfig, {gatherVersions} from './app';
 
 describe('config/app', () => {
+    describe('gatherVersions()', () => {
+        test.each`
+            constraint                     | expected
+            ${'7.0'}                       | ${[ '7.0' ]}
+            ${'^7.0'}                      | ${[ '7.0', '7.1', '7.2', '7.3', '7.4' ]}
+            ${'8.1'}                       | ${[ '8.1' ]}
+            ${'8.1.0'}                     | ${[ '8.1' ]}
+            ${'8.1.12'}                    | ${[ '8.1' ]}
+            ${'^8.1'}                      | ${[ '8.1', '8.2' ]}
+            ${'^8.1.0'}                    | ${[ '8.1', '8.2' ]}
+            ${'^8.1.12'}                   | ${[ '8.1', '8.2' ]}
+            ${'~8.1'}                      | ${[ '8.1' ]}
+            ${'~8.1.0'}                    | ${[ '8.1' ]}
+            ${'~8.1.12'}                   | ${[ '8.1' ]}
+            ${'^7.4 || ~8.0.0 || ~8.1.12'} | ${[ '7.4', '8.0', '8.1' ]}
+        `('gatherVersions() for "$constraint" === $expected', ({constraint, expected}) => {
+            expect(gatherVersions({require: {php: constraint}})).toEqual(expected);
+        });
+    });
+
     describe('createConfig()', () => {
         const phpIniFromConfigurationPath: PathLike = 'tests/php-ini-from-configuration';
 
@@ -18,7 +38,7 @@ describe('config/app', () => {
                 codeChecks                    : true,
                 docLinting                    : true,
                 versions                      : [ '8.1' ],
-                stablePhpVersion              : '8.1',
+                stablePhpVersion              : '7.4',
                 minimumPhpVersion             : '8.1',
                 latestPhpVersion              : '8.1',
                 lockedDependenciesExists      : false,

src/config/app.ts

@@ -16,7 +16,7 @@ export enum ComposerDependencySet {
     LATEST = 'latest',
 }
 
-function gatherVersions(composerJson: ComposerJson): InstallablePhpVersionType[] {
+export function gatherVersions(composerJson: ComposerJson): InstallablePhpVersionType[] {
     if (JSON.stringify(composerJson) === '{}') {
         return [];
     }