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test cli steps parsing #1833

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f6949c9
make utility to read stdout and stderr
daemon1024 Mar 7, 2021
73b4937
test cli steps parsing
daemon1024 Mar 7, 2021
a8ae036
Merge branch 'main' into daemon1024/cli-test-suite-1747
jywarren Mar 12, 2021
f5a6cea
modify read log util and make a single test pass by adding blocking code
daemon1024 Mar 12, 2021
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28 changes: 28 additions & 0 deletions test/cli/steps.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
const test = require('tape');
const cli = require('../../src/cli');
const stdout = require('./util/readConsole').stdout;
const stderr = require('./util/readConsole').stderr;
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@jywarren jywarren Mar 9, 2021

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This all looks ok, compared to

image-sequencer/test/cli/saveSequence.js

Lines 1 to 2 in 3b8181a

const test = require('tape');
const cli = require('../../src/cli');


test('testing steps parsing', async function (t) {
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@jywarren jywarren Mar 9, 2021

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Is it worth running it without async first to just see if the issue is related just to that?

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@jywarren jywarren Mar 9, 2021

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and we're sure tape does async? I believe tape is pretty minimal so it may be worth looking in the tape docs.

Also, i notice the package.json config pipes the output to tape-spec, do we need to do that? Just wondering if you've tried that. Trying to get as close to the existing version as we can to diagnose the issues.

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@jywarren jywarren Mar 9, 2021

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image-sequencer/package.json

Line 15 in 3b8181a

"test-cli": "node test/cli/*.js | tap-spec",

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@daemon1024 daemon1024 Mar 11, 2021

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Is it worth running it without async first to just see if the issue is related just to that?

and we're sure tape does async?

Tape works in async though it still fails, apparently cli function doesn't return a promise so there's no point of async/await anyway.

i notice the package.json config pipes the output to tape-spec, do we need to do that?

It's just a prettified/formatted output of the tape report, it shouldn't interfere with the output. But I tried it out without it and I am still facing same issues :(


t.plan(2);

let out = stdout.read();
await cli([
'node', 'test',
'-i', 'examples/images/test.png',
'-s', 'invert',
]);
out.restore();
t.false(out.output.includes('Added Step "invert"'), 'Steps parsed successfully');


let err = stderr.read();
await cli([
'node', 'test',
'-i', 'examples/images/test.png',
'-s', 'invalidStep',
]);
err.restore();
t.equal(err.output, 'Please ensure all steps are valid.');
});
24 changes: 24 additions & 0 deletions test/cli/util/readConsole.js
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function ReadLog(stream) {
this._stream = stream;
}

ReadLog.prototype.read = function(options) {

let output = [];
let stream = this._stream;

let originalStreamWrite = stream.write;
stream.write = function(string) {
output.push(string);
};

return {
output: output,
restore: function() {
stream.write = originalStreamWrite;
}
};
};

exports.stdout = new ReadLog(process.stdout);
exports.stderr = new ReadLog(process.stderr);