Update the license headers throughout the repository to reference Google LLC rather than Google Inc, for the required license headers. PR Close #37205
		
			
				
	
	
		
			84 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright Google LLC All Rights Reserved.
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 *
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 * Use of this source code is governed by an MIT-style license that can be
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 * found in the LICENSE file at https://angular.io/license
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 */
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import {computeTaskDependencies, sortTasksByPriority} from '../../src/execution/tasks/utils';
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import {createTasksAndGraph} from './helpers';
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describe('execution utils', () => {
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  describe('computeTaskDependencies()', () => {
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    it('should throw, if there are multiple tasks that generate typings for a single entry-point',
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       () => {
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         const {tasks, graph} = createTasksAndGraph(2, 2, {
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           0: [],   // Entry-point #0 does not depend on anything.
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           1: [0],  // Entry-point #1 depends on #0.
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         });
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         tasks[1].processDts = true;  // Tweak task #1 to also generate typings.
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         expect(() => computeTaskDependencies(tasks, graph))
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             .toThrowError(
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                 'Invariant violated: Multiple tasks are assigned generating typings for ' +
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                 '\'/path/to/entry/point/0\':\n' +
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                 '  - {entryPoint: entry-point-0, formatProperty: prop-0, processDts: true}\n' +
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                 '  - {entryPoint: entry-point-0, formatProperty: prop-1, processDts: true}');
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       });
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    it('should add non-typings tasks to the dependents of typings tasks', () => {
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      const {tasks, graph} = createTasksAndGraph(2, 2, {
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        0: [],   // entry-point-0 does not depend on anything.
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        1: [0],  // entry-point-1 depends on entry-point-0.
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      });
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      const dependents = computeTaskDependencies(tasks, graph);
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      // entry-point-0
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      expect(dependents.get(tasks[0])).toEqual(new Set([
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        tasks[1],  // non-typings task for entry-point-0
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        tasks[2],  // typings task for entry-point-1, which depends upon entry-point-0
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        tasks[3],  // non-typings task for entry-point-1, which depends upon entry-point-0
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      ]));
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      expect(dependents.get(tasks[1])).toBeUndefined();
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      // entry-point-1
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      expect(dependents.get(tasks[2])).toEqual(new Set([
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        tasks[3],  // non-typings task for entry-point-1
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      ]));
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      expect(dependents.get(tasks[3])).toBeUndefined();
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    });
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  });
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  describe('sortTasksByPriority', () => {
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    it('should return the tasks in their original order if there are no dependencies', () => {
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      const {tasks} = createTasksAndGraph(3, 1);
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      const sortedTasks = sortTasksByPriority(tasks, new Map());
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      expect(sortedTasks).toEqual(tasks);
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    });
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    it('should return the tasks ordered by how many tasks depend upon them', () => {
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      // Before sort:
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      // 0 blocks [3]
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      // 1 blocks [2, 3]
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      // 2 blocks []
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      // 3 blocks [4]
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      // 4 blocks []
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      const {tasks, graph} = createTasksAndGraph(5, 1, {0: [], 1: [], 2: [1], 3: [0, 1], 4: [3]});
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      const sortedTasks = sortTasksByPriority(tasks, computeTaskDependencies(tasks, graph));
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      // After sort:
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      // 1 blocks [2, 3]
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      // 0 blocks [3]
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      // 3 blocks [4]
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      // 2 blocks []
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      // 4 blocks []
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      expect(sortedTasks).toEqual([
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        tasks[1],
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        tasks[0],
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        tasks[3],
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        tasks[2],
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        tasks[4],
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      ]);
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    });
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  });
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});
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