tame/progtest/test/TestRunnerTest.js

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/**
* Tests TestReader
*
* Copyright (C) 2018 R-T Specialty, LLC.
*
* This file is part of TAME.
*
* TAME is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
"use strict";
const { expect } = require( 'chai' );
const { Class } = require( 'easejs' );
const Sut = require( '../src/TestRunner' );
const TestReporter = require( '../src/reporter/TestReporter' );
const NullTestReporter = require( '../src/reporter/NullTestReporter' );
describe( "TestRunner", () =>
{
it( "runs each test against given program", () =>
{
const given = [];
const program = {
rater( data )
{
return rate_results[ given.push( data ) - 1 ];
}
};
const test_cases = [
{
description: "first",
data: { a: 1 },
expect: { foo: 1 },
},
{
description: "second",
data: { a: 2 },
expect: {
foo: [ 1, 2 ],
bar: [ 3, 1 ],
baz: [ 4, 2 ],
},
},
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{
description: "recursive",
data: { a: [[[[1]]]] },
expect: { foo: [[[[1]]]] },
},
];
const rate_results = [
// no failures
{ vars: { foo: 1 } },
// bar, baz failures
{ vars: {
foo: [ 1, 2 ],
bar: [ 3, 4 ],
baz: [ 4, 5 ],
} },
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// no failures
{ vars: {
foo: [[[[1]]]],
} },
];
const expect_failures = [
[],
[
{
field: 'bar',
expect: test_cases[ 1 ].expect.bar,
result: rate_results[ 1 ].vars.bar,
},
{
field: 'baz',
expect: test_cases[ 1 ].expect.baz,
result: rate_results[ 1 ].vars.baz,
},
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],
[],
];
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return Sut( NullTestReporter(), program )
.runTests( test_cases )
.then( results =>
{
test_cases.forEach( ( test_case, i ) =>
{
const result = results[ i ];
expect( result.desc ).to.equal( test_case.description );
expect( result.total ).to.equal(
Object.keys( test_case.expect ).length
);
expect( result.failures ).to.deep.equal(
expect_failures[ i ]
);
expect( result.given ).to.equal( test_cases[ i ].data );
expect( result.expect ).to.equal( test_cases[ i ].expect );
} );
} );
} );
it( "invokes reporter before, during, and after test cases", done =>
{
let pre = false;
let results = [];
const program = { rater: () => ( { vars: {} } ) };
const mock_reporter = Class.implement( TestReporter ).extend(
{
preRun( total )
{
expect( total ).to.equal( 2 );
pre = true;
},
testCaseResult( result, total )
{
expect( pre ).to.equal( true );
expect( total ).to.equal( 2 );
results.push( result );
},
done( given_results )
{
expect( pre ).to.equal( true );
expect( results ).to.deep.equal( given_results );
done();
},
} )();
// see done() above
Sut( mock_reporter, program ).runTests( [
{ description: '', data: {}, expect: {} },
{ description: '', data: {}, expect: {} },
] );
} );
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// exceptions are thrown by terminating classifications
it( "recognizes exception as failure", () =>
{
const error_msg = [ "test failure 0", "test failure 1" ];
const program = {
rater( data )
{
throw Error( error_msg.shift() );
}
};
return Sut( NullTestReporter(), program )
.runTests( [
{ description: '', data: {}, expect: {} },
{ description: '', data: {}, expect: {} },
] )
.then( results =>
{
results.forEach( ( { failures }, i ) =>
expect( failures )
.to.deep.equal( [
{
field: "error",
expect: "",
result: `test failure ${i}`,
},
] )
);
} );
} );
} );