(test) frontend lib testing

app/frontend/src/javascript/lib/api.ts

@@ -4,7 +4,7 @@ import { serialize } from 'object-to-formdata';
 
 export default class ApiLib {
   static filtersToQuery (filters?: ApiFilter, keepNullValues = true): string {
-    if (!filters) return '';
+    if (!filters || Object.keys(filters).length < 1) return '';
 
     return '?' + Object.entries(filters)
       .filter(filter => keepNullValues || !_.isNil(filter[1]))

app/frontend/src/javascript/lib/parsing.ts

@@ -7,8 +7,8 @@ export default class ParsingLib {
    * Try to parse the given value to get the value with the matching type.
    * It supports parsing arrays.
    */
-  static parse = (value: string|string[]): NestedBaseArray => {
-    let parsedValue: NestedBaseArray = value;
+  static parse = (value: ValueOrArray<string>): NestedBaseArray => {
+    let parsedValue: NestedBaseArray;
     if (Array.isArray(value)) {
       parsedValue = [];
       for (const item of value) {

test/frontend/lib/api.test.ts

@@ -0,0 +1,49 @@
+import ApiLib from 'lib/api';
+
+describe('ApiLib', () => {
+  test('empty filters to query', () => {
+    const res = ApiLib.filtersToQuery({});
+    expect(res).toBe('');
+  });
+  test('no filters to query', () => {
+    const res = ApiLib.filtersToQuery(null);
+    expect(res).toBe('');
+  });
+  test('one filter to query', () => {
+    const res = ApiLib.filtersToQuery({ foo: 1 });
+    expect(res).toBe('?foo=1');
+  });
+  test('many filters to query', () => {
+    const res = ApiLib.filtersToQuery({ foo: 1, bar: 'toto', baz: false });
+    expect(res).toBe('?foo=1&bar=toto&baz=false');
+  });
+  test('drop null values from query', () => {
+    const res = ApiLib.filtersToQuery({ foo: null, bar: 'toto', baz: false }, false);
+    expect(res).toBe('?bar=toto&baz=false');
+  });
+  test('keep null values into query', () => {
+    const res = ApiLib.filtersToQuery({ foo: null, bar: 'toto', baz: false }, true);
+    expect(res).toBe('?foo=null&bar=toto&baz=false');
+  });
+  test('serialize a single attachment', () => {
+    const res = ApiLib.serializeAttachments({ foo: 1, item_file_attributes: { attachment_files: ['bar'] } }, 'item', ['item_file_attributes']);
+    expect(res.get('item[foo]')).toBe('1');
+    expect(res.get('item[item_file_attributes][attachment]')).toBe('bar');
+  });
+  test('serialize multiple attachments', () => {
+    const res = ApiLib.serializeAttachments({ foo: 1, item_file_attributes: [{ attachment_files: ['bar'] }, { attachment_files: ['poo'] }] }, 'item', ['item_file_attributes']);
+    expect(res.get('item[foo]')).toBe('1');
+    expect(res.get('item[item_file_attributes][0][attachment]')).toBe('bar');
+    expect(res.get('item[item_file_attributes][1][attachment]')).toBe('poo');
+  });
+  test('serialize some existing attachments', () => {
+    const res = ApiLib.serializeAttachments({ foo: 1, item_file_attributes: [{ id: 4, _destroy: true, is_main: false }, { id: 7, _destroy: false, is_main: true }] }, 'item', ['item_file_attributes']);
+    expect(res.get('item[foo]')).toBe('1');
+    expect(res.get('item[item_file_attributes][0][id]')).toBe('4');
+    expect(res.get('item[item_file_attributes][0][_destroy]')).toBe('true');
+    expect(res.get('item[item_file_attributes][0][is_main]')).toBeNull();
+    expect(res.get('item[item_file_attributes][1][id]')).toBe('7');
+    expect(res.get('item[item_file_attributes][1][_destroy]')).toBeNull();
+    expect(res.get('item[item_file_attributes][1][is_main]')).toBe('true');
+  });
+});

test/frontend/lib/deferred.test.ts

@@ -0,0 +1,14 @@
+import Deferred from 'lib/deferred';
+
+describe('Deferred', () => {
+  test('resolve a deferred promise', () => {
+    const deferred = new Deferred();
+    deferred.resolve(4);
+    expect(deferred.promise).resolves.toBe(4);
+  });
+  test('reject a deferred promise', () => {
+    const deferred = new Deferred();
+    deferred.reject('error');
+    expect(deferred.promise).rejects.toBe('error');
+  });
+});

test/frontend/lib/parsing.test.ts

@@ -0,0 +1,28 @@
+import ParsingLib from 'lib/parsing';
+
+describe('ParsingLib', () => {
+  test('parse a boolean', () => {
+    const res = ParsingLib.simpleParse('true');
+    expect(res).toBe(true);
+  });
+  test('parse a number', () => {
+    const res = ParsingLib.simpleParse('10');
+    expect(res).toBe(10);
+  });
+  test('parse an array of numbers', () => {
+    const res = ParsingLib.parse(['10', '20', '30']);
+    expect(res).toEqual([10, 20, 30]);
+  });
+  test('parse an array of booleans', () => {
+    const res = ParsingLib.parse(['true', 'false']);
+    expect(res).toEqual([true, false]);
+  });
+  test('parse a mixed array', () => {
+    const res = ParsingLib.parse(['true', '10', 'foo']);
+    expect(res).toEqual([true, 10, 'foo']);
+  });
+  test('parse an array of arrays', () => {
+    const res = ParsingLib.parse([['bar', '10'], ['true', 'foo'], 'baz']);
+    expect(res).toEqual([['bar', 10], [true, 'foo'], 'baz']);
+  });
+});