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core(cli): accept flags from path #9109

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Jun 4, 2019
Merged

core(cli): accept flags from path #9109

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core(cli): accept flags from path
patrickhulce Jun 3, 2019
c2541c6
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patrickhulce Jun 3, 2019
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cli help description
patrickhulce Jun 3, 2019
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3 changes: 3 additions & 0 deletions lighthouse-cli/cli-flags.js
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,9 @@ function getFlags(manualArgv) {
'lighthouse <url> --only-categories=performance,pwa',
'Only run specific categories.')

// Accept a file for all of these flags.
.config('cli-settings-path')
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can you add a description specifying that other flags will override this one? (e.g. --throttling-method=provided on the command line will override "throttling-method": "devtools" in the settings file)

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also, bikeshed time: should we call it something like cli-flags-path?

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also, copy over to readme :)

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can you add a description specifying that other flags will override this one?

Yes, test added too! 👍

cli-flags-path

WFM!

also, copy over to readme

This feels close to an autopopulate script too if only we made changes more frequently 🤔

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@brendankenny brendankenny Jun 4, 2019 •
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This feels close to an autopopulate script too if only we made changes more frequently 🤔

definitely, and it's a little silly we have it at all, but I know I've at least found it useful in the past, so.... 🤷‍♀


// List of options
.group(['verbose', 'quiet'], 'Logging:')
.describe({
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17 changes: 17 additions & 0 deletions lighthouse-cli/test/cli/cli-flags-test.js
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Expand Up @@ -29,6 +29,23 @@ describe('CLI bin', function() {
});
});

it('settings are accepted from a file path', () => {
const flags = getFlags([
'http://www.example.com',
`--cli-settings-path="${__dirname}/../fixtures/cli-settings-path.json"`,
].join(' '));

expect(flags).toMatchObject({
onlyCategories: ['performance', 'seo'],
chromeFlags: '--window-size 800,600',
throttlingMethod: 'devtools',
throttling: {
requestLatencyMs: 700,
cpuSlowdownMultiplier: 6,
},
});
});

it('array values support csv when appropriate', () => {
const flags = getFlags([
'http://www.example.com',
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9 changes: 9 additions & 0 deletions lighthouse-cli/test/fixtures/cli-settings-path.json
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@@ -0,0 +1,9 @@
{
"onlyCategories": ["performance", "seo"],
"chromeFlags": "--window-size 800,600",
"throttling-method": "devtools",
"throttling": {
"requestLatencyMs": 700,
"cpuSlowdownMultiplier": 6
}
}