Added tests for getProjectConfig

test/configuration/getProjectConfig.js

@@ -0,0 +1,91 @@
+import path from 'path';
+
+import expect, { spyOn } from 'expect';
+import stripAnsi from 'strip-ansi';
+
+import getProjectConfig from '../../src/configuration/getProjectConfig';
+
+describe('configuration', () => {
+    describe('getProjectConfig', () => {
+        let logErrorSpy;
+        let logWarningSpy;
+
+        beforeEach(() => {
+            logErrorSpy = spyOn(require('../../src/log/default/large').default, 'error') // eslint-disable-line
+                .andThrow(new Error('Process exit'));
+
+            logWarningSpy = spyOn(require('../../src/log/default/large').default, 'warn'); // eslint-disable-line
+        });
+
+        afterEach(() => {
+            logErrorSpy.restore();
+            logWarningSpy.restore();
+            delete process.env.ROC_CONFIG_PATH;
+        });
+
+        after(() => {
+            // We need to do this since the module remembers if it has been executed before, otherwise watch will
+            // not work
+            delete require.cache[require.resolve('../../src/configuration/getProjectConfig')];
+        });
+
+        it('should throw when file don´t exists', () => {
+            expect(() => {
+                getProjectConfig('roc.js', __dirname);
+            }).toThrow(/Process exit/);
+            expect(logErrorSpy.calls[0].arguments[0]).toInclude('Configuration path points to unaccessible file');
+        });
+
+        it('should throw if it is not a file', () => {
+            expect(() => {
+                getProjectConfig(__dirname);
+            }).toThrow(/Process exit/);
+            expect(logErrorSpy.calls[0].arguments[0]).toInclude('Configuration path points to unaccessible file');
+        });
+
+        it('should give correct feedback if the configuration file is empty', () => {
+            const result = getProjectConfig('fixtures/roc.empty.config.js', __dirname);
+            expect(result).toEqual({});
+            expect(stripAnsi(logWarningSpy.calls[0].arguments[0]))
+                .toInclude('The configuration file at ' +
+                    path.join(__dirname, 'fixtures', 'roc.empty.config.js') + ' was empty.');
+        });
+
+        it('should return the content of a configuration file', () => {
+            const result = getProjectConfig('fixtures/roc.simple.config.js', __dirname);
+            expect(result).toEqual({
+                settings: {},
+            });
+        });
+
+        it('should give feedback while in debug mode and default configuration does not exist', () => {
+            const result = getProjectConfig(undefined, __dirname, true);
+            expect(result).toEqual({});
+            expect(stripAnsi(logWarningSpy.calls[0].arguments[0]))
+                .toInclude('Could not find the configuration file at ' + path.join(__dirname, 'roc.config.js'));
+        });
+
+        it('should give feedback when the default configuration has a SyntaxError', () => {
+            const result = getProjectConfig('fixtures/roc.syntax-error.config.js.ignore', __dirname);
+            expect(result).toEqual({});
+            expect(stripAnsi(logWarningSpy.calls[0].arguments[0]))
+                .toInclude('Something is wrong with the configuration file at');
+        });
+
+        it('should inform that and environment variable is set the first time', () => {
+            process.env.ROC_CONFIG_PATH = path.join(__dirname, 'fixtures', 'roc.simple.config.js');
+            let result = getProjectConfig('roc.complex.config.js', __dirname);
+            expect(result).toEqual({
+                settings: {},
+            });
+            expect(stripAnsi(logWarningSpy.calls[0].arguments[0]))
+                .toInclude('You have configured a location for the application');
+
+            result = getProjectConfig('fixtures/roc.complex.config.js', __dirname);
+            expect(result).toEqual({
+                settings: {},
+            });
+            expect(logWarningSpy.calls.length).toBe(1);
+        });
+    });
+});