Add a credential provider that reads from shared ini files

Author: jeskew

packages/credential-provider-ini/.gitignore

@@ -0,0 +1,4 @@
+/node_modules/
+*.js
+*.js.map
+*.d.ts

packages/credential-provider-ini/__mocks__/fs.ts

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+interface FsModule {
+    __addMatcher(toMatch: string, toReturn: string): void;
+    __clearMatchers(): void;
+    readFile: (path: string, encoding: string, cb: Function) => void
+}
+
+const fs: FsModule = <FsModule>jest.genMockFromModule('fs');
+const matchers = new Map<string, string>();
+
+function __addMatcher(toMatch: string, toReturn: string): void {
+    matchers.set(toMatch, toReturn);
+}
+
+function __clearMatchers(): void {
+    matchers.clear();
+}
+
+function readFile(
+    path: string,
+    encoding: string,
+    callback: (err: Error|null, data?: string) => void
+): void {
+    for (let [matcher, data] of matchers.entries()) {
+        if (matcher === path) {
+            callback(null, data);
+            return;
+        }
+    }
+
+    callback(new Error('ENOENT: no such file or directory'));
+}
+
+fs.__addMatcher = __addMatcher;
+fs.__clearMatchers = __clearMatchers;
+fs.readFile = readFile;
+
+module.exports = fs;

packages/credential-provider-ini/__mocks__/os.ts

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+interface OsModule {
+    homedir: () => string;
+}
+
+const os: OsModule = <OsModule>jest.genMockFromModule('os');
+const path = require('path');
+
+os.homedir = () => path.sep + path.join('home', 'user');
+
+module.exports = os;