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'use strict';
const common = require('../common');
common.skipIfInspectorDisabled();
const assert = require('assert');
const helper = require('./inspector-helper.js');
const path = require('path');
const script = path.join(path.dirname(module.filename), 'global-function.js');
function setupExpectBreakOnLine(line, url, session) {
return function(message) {
if ('Debugger.paused' === message['method']) {
const callFrame = message['params']['callFrames'][0];
const location = callFrame['location'];
assert.strictEqual(url, session.scriptUrlForId(location['scriptId']));
assert.strictEqual(line, location['lineNumber']);
return true;
}
};
}
function setupExpectConsoleOutputAndBreak(type, values) {
if (!(values instanceof Array))
values = [ values ];
let consoleLog = false;
function matchConsoleLog(message) {
if ('Runtime.consoleAPICalled' === message['method']) {
const params = message['params'];
if (params['type'] === type) {
let i = 0;
for (const value of params['args']) {
if (value['value'] !== values[i++])
return false;
}
return i === values.length;
}
}
}
return function(message) {
if (consoleLog)
return message['method'] === 'Debugger.paused';
consoleLog = matchConsoleLog(message);
return false;
};
}
function setupExpectContextDestroyed(id) {
return function(message) {
if ('Runtime.executionContextDestroyed' === message['method'])
return message['params']['executionContextId'] === id;
};
}
function setupDebugger(session) {
console.log('[test]', 'Setting up a debugger');
const commands = [
{ 'method': 'Runtime.enable' },
{ 'method': 'Debugger.enable' },
{ 'method': 'Debugger.setAsyncCallStackDepth',
'params': {'maxDepth': 0} },
{ 'method': 'Runtime.runIfWaitingForDebugger' },
];
session
.sendInspectorCommands(commands)
.expectMessages((message) => 'Runtime.consoleAPICalled' === message.method);
}
function breakOnLine(session) {
console.log('[test]', 'Breaking in the code');
const commands = [
{ 'method': 'Debugger.setBreakpointByUrl',
'params': { 'lineNumber': 9,
'url': script,
'columnNumber': 0,
'condition': ''
}
},
{ 'method': 'Runtime.evaluate',
'params': { 'expression': 'sum()',
'objectGroup': 'console',
'includeCommandLineAPI': true,
'silent': false,
'contextId': 1,
'returnByValue': false,
'generatePreview': true,
'userGesture': true,
'awaitPromise': false
}
}
];
helper.markMessageNoResponse(commands[1]);
session
.sendInspectorCommands(commands)
.expectMessages(setupExpectBreakOnLine(9, script, session));
}
function stepOverConsoleStatement(session) {
console.log('[test]', 'Step over console statement and test output');
session
.sendInspectorCommands({ 'method': 'Debugger.stepOver' })
.expectMessages(setupExpectConsoleOutputAndBreak('log', [0, 3]));
}
function testWaitsForFrontendDisconnect(session, harness) {
console.log('[test]', 'Verify node waits for the frontend to disconnect');
session.sendInspectorCommands({ 'method': 'Debugger.resume'})
.expectMessages(setupExpectContextDestroyed(1))
.expectStderrOutput('Waiting for the debugger to disconnect...')
.disconnect(true);
}
function runTests(harness) {
harness
.runFrontendSession([
setupDebugger,
breakOnLine,
stepOverConsoleStatement,
testWaitsForFrontendDisconnect
]).expectShutDown(0);
}
helper.startNodeForInspectorTest(runTests,
['--inspect'],
undefined,
script);
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