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coverage: add tests for arguments normalization
# Why `foreground-child` has a complex signature but not all its variants are covered by tests. # What Add tests for the signatures not covered by the other tests.
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var fg = require('../index.js') | ||
var spawn = require('child_process').spawn | ||
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switch (process.argv[2]) { | ||
case "child": | ||
childMain(); | ||
break; | ||
case "parent": | ||
parentMain(); | ||
break; | ||
case undefined: | ||
test(); | ||
break; | ||
} | ||
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function childMain() { | ||
console.log(JSON.stringify(process.argv.slice(3))); | ||
} | ||
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function parentMain() { | ||
const fgArgs = JSON.parse(process.argv[3]); | ||
fg.apply(null, fgArgs); | ||
} | ||
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function test () { | ||
var t = require('tap') | ||
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t.test('fg(process.execPath, [__filename, "child"])', function (t) { | ||
t.plan(3); | ||
var fgArgs = JSON.stringify([process.execPath, [__filename, "child"]]); | ||
var args = [__filename, "parent", fgArgs]; | ||
var child = spawn(process.execPath, args); | ||
var chunks = []; | ||
child.stdout.on("data", function(chunk) {chunks.push(chunk)}); | ||
child.once("close", function(code, signal) { | ||
t.equal(code, 0) | ||
t.equal(signal, null) | ||
var actual = JSON.parse(Buffer.concat(chunks).toString("UTF-8")); | ||
var expected = []; | ||
t.match(actual, expected) | ||
}); | ||
}); | ||
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t.test('fg(process.execPath, [__filename, "child", "foo"])', function (t) { | ||
t.plan(3); | ||
var fgArgs = JSON.stringify([process.execPath, [__filename, "child", "foo"]]); | ||
var args = [__filename, "parent", fgArgs]; | ||
var child = spawn(process.execPath, args); | ||
var chunks = []; | ||
child.stdout.on("data", function(chunk) {chunks.push(chunk)}); | ||
child.once("close", function(code, signal) { | ||
t.equal(code, 0) | ||
t.equal(signal, null) | ||
var actual = JSON.parse(Buffer.concat(chunks).toString("UTF-8")); | ||
var expected = ["foo"]; | ||
t.match(actual, expected) | ||
}); | ||
}); | ||
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t.test('fg([process.execPath, __filename, "child", "bar"])', function (t) { | ||
t.plan(3); | ||
var fgArgs = JSON.stringify([[process.execPath, __filename, "child", "bar"]]); | ||
var args = [__filename, "parent", fgArgs]; | ||
var child = spawn(process.execPath, args); | ||
var chunks = []; | ||
child.stdout.on("data", function(chunk) {chunks.push(chunk)}); | ||
child.once("close", function(code, signal) { | ||
t.equal(code, 0) | ||
t.equal(signal, null) | ||
const actual = JSON.parse(Buffer.concat(chunks).toString("UTF-8")); | ||
const expected = ["bar"]; | ||
t.match(actual, expected) | ||
}); | ||
}); | ||
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t.test('fg(process.execPath, __filename, "child", "baz")', function (t) { | ||
t.plan(3); | ||
const fgArgs = JSON.stringify([process.execPath, __filename, "child", "baz"]); | ||
const args = [__filename, "parent", fgArgs]; | ||
const child = spawn(process.execPath, args); | ||
const chunks = []; | ||
child.stdout.on("data", function(chunk) {chunks.push(chunk)}); | ||
const err = []; | ||
child.stderr.on("data", function(chunk) {err.push(chunk)}); | ||
child.once("close", function(code, signal) { | ||
t.equal(code, 0) | ||
t.equal(signal, null) | ||
var errs = JSON.parse(Buffer.concat(err).toString("UTF-8")); | ||
var actual = JSON.parse(Buffer.concat(chunks).toString("UTF-8")); | ||
var expected = ["baz"]; | ||
t.match(actual, expected) | ||
}); | ||
}); | ||
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t.end() | ||
} |