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Spec for unordered tech dependencies #25

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Jul 2, 2015
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Spec for unordered tech dependencies #25

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177 changes: 177 additions & 0 deletions spec/resolve/unordered/common-for-tech.spec.js
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Original file line number Diff line number Diff line change
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var expect = require('chai').expect,
_ = require('lodash'),
resolve = require('../../../lib/index').resolve;

describe('resolving common deps for specific tech', function () {
it('should resolve entity depending on another entity', function () {
var decl = [{ block: 'A' }],
deps = [
{
entity: { block: 'A' },
dependOn: [{ entity: { block: 'B' } }]
}
],
opts = { tech: 'css' },
resolved = resolve(decl, deps, opts);

expect(resolved.entities).to.contain({ block: 'B' });
});

it('should resolve entity depending on multiple entities', function () {
var decl = [{ block: 'A' }],
deps = [
{
entity: { block: 'A' },
dependOn: [
{ entity: { block: 'B' } },
{ entity: { block: 'C' } }
]
}
],
opts = { tech: 'css' },
resolved = resolve(decl, deps, opts);

expect(resolved.entities).to.contain({ block: 'B' })
.and.to.contain({ block: 'C' });
});

it('should include entity once if entity depends on itself when resolving deps', function () {
var decl = [{ block: 'A' }],
deps = [
{
entity: { block: 'A' },
dependOn: [
{ entity: { block: 'A' } }
]
}
],
opts = { tech: 'css' },
resolved = resolve(decl, deps, opts);

expect(resolved.entities).to.be.eql([{ block: 'A' }]);
});

it('should resolve dependency depending on another entity when resolving deps', function () {
var decl = [{ block: 'A' }],
deps = [
{
entity: { block: 'A' },
dependOn: [
{ entity: { block: 'B' } }
]
},
{
entity: { block: 'B' },
dependOn: [
{ entity: { block: 'C' } }
]
}
],
opts = { tech: 'css' },
resolved = resolve(decl, deps, opts);

expect(resolved.entities).to.contain({ block: 'C' });
});

it('should allow dependency to depend on multiple entities when resolving deps', function () {
var decl = [{ block: 'A' }],
deps = [
{
entity: { block: 'A' },
dependOn: [
{ entity: { block: 'B' } }
]
},
{
entity: { block: 'B' },
dependOn: [
{ entity: { block: 'C' } },
{ entity: { block: 'D' } }
]
}
],
opts = { tech: 'css' },
resolved = resolve(decl, deps, opts);

expect(resolved.entities).to.contain({ block: 'C' })
.and.to.contain({ block: 'D' });
});

it('should include entity to result once if multiple entities depend on this entity', function () {
var decl = [
{ block: 'A' },
{ block: 'B' }
],
deps = [
{
entity: { block: 'A' },
dependOn: [
{ entity: { block: 'C' } }
]
},
{
entity: { block: 'B' },
dependOn: [
{ entity: { block: 'C' } }
]
}
],
opts = { tech: 'css' },
resolved = resolve(decl, deps, opts),
firstIndex = _.findIndex(resolved.entities, { block: 'C' }),
lastIndex = _.findLastIndex(resolved.entities, { block: 'C' });

expect(resolved.entities).to.contain({ block: 'C' });
expect(firstIndex).to.be.equal(lastIndex);
});

it('should not include entity if no entity from decl depends on it', function () {
var decl = [{ block: 'A' }],
deps = [
{
entity: { block: 'B' },
dependOn: []
}
],
opts = { tech: 'css' },
resolved = resolve(decl, deps, opts);

expect(resolved.entities).to.not.contain({ block: 'B' });
});

it('should not include entity if no entity from decl depends on it and this entity has dependency on entity' +
' listed in decl', function () {
var decl = [{ block: 'A' }],
deps = [
{
entity: { block: 'B' },
dependOn: [
{ entity: { block: 'A' } }
]
}
],
opts = { tech: 'css' },
resolved = resolve(decl, deps, opts);

expect(resolved.entities).not.to.contain({ block: 'B' });
});

it('should not include dependencie\'s dependency if no entity from decl\'s dependencies depends ' +
'on it', function () {
var decl = [{ block: 'A' }],
deps = [
{
entity: { block: 'C' },
dependOn: [
{
entity: { block: 'D' }
}
]
}
],
opts = { tech: 'css' },
resolved = resolve(decl, deps, opts);

expect(resolved.entities).to.not.contain({ block: 'D' });
});
});
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