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suite('lunr.Builder', function () {
suite('#add', function () {
setup(function () {
this.builder = new lunr.Builder
})
test('field contains terms that clash with object prototype', function () {
this.builder.field('title')
this.builder.add({ id: 'id', title: 'constructor'})
//assert.nestedProperty(this.builder.invertedIndex, 'constructor.title.id')
assert.deepEqual(this.builder.invertedIndex.constructor.title.id, {})
assert.equal(this.builder.fieldTermFrequencies['title/id'].constructor, 1)
})
test('field name clashes with object prototype', function () {
this.builder.field('constructor')
this.builder.add({ id: 'id', constructor: 'constructor'})
//assert.nestedProperty(this.builder.invertedIndex, 'constructor.constructor.id')
assert.deepEqual(this.builder.invertedIndex.constructor.constructor.id, {})
})
test('document ref clashes with object prototype', function () {
this.builder.field('title')
this.builder.add({ id: 'constructor', title: 'word'})
//assert.nestedProperty(this.builder.invertedIndex, 'word.title.constructor')
assert.deepEqual(this.builder.invertedIndex.word.title.constructor, {})
})
test('token metadata clashes with object prototype', function () {
var pipelineFunction = function (t) {
t.metadata['constructor'] = 'foo'
return t
}
lunr.Pipeline.registerFunction(pipelineFunction, 'test')
this.builder.pipeline.add(pipelineFunction)
// the registeredFunctions object is global, this is to prevent
// polluting any other tests.
delete lunr.Pipeline.registeredFunctions.test
this.builder.metadataWhitelist.push('constructor')
this.builder.field('title')
this.builder.add({ id: 'id', title: 'word'})
//assert.nestedProperty(this.builder.invertedIndex, 'word.title.id.constructor')
assert.deepEqual(this.builder.invertedIndex.word.title.id.constructor, ['foo'])
})
test('extracting nested properties from a document', function () {
var extractor = function (d) { return d.person.name }
this.builder.field('name', {
extractor: extractor
})
this.builder.add({
id: 'id',
person: {
name: 'bob'
}
})
//assert.nestedProperty(this.builder.invertedIndex, 'bob.name.id')
})
})
suite('#field', function () {
test('defining fields to index', function () {
var builder = new lunr.Builder
builder.field('foo')
assert.property(builder._fields, 'foo')
})
test('field with illegal characters', function () {
var builder = new lunr.Builder
assert.throws(function () {
builder.field('foo/bar')
})
})
})
suite('#ref', function () {
test('default reference', function () {
var builder = new lunr.Builder
assert.equal('id', builder._ref)
})
test('defining a reference field', function () {
var builder = new lunr.Builder
builder.ref('foo')
assert.equal('foo', builder._ref)
})
})
suite('#b', function () {
test('default value', function () {
var builder = new lunr.Builder
assert.equal(0.75, builder._b)
})
test('values less than zero', function () {
var builder = new lunr.Builder
builder.b(-1)
assert.equal(0, builder._b)
})
test('values higher than one', function () {
var builder = new lunr.Builder
builder.b(1.5)
assert.equal(1, builder._b)
})
test('value within range', function () {
var builder = new lunr.Builder
builder.b(0.5)
assert.equal(0.5, builder._b)
})
})
suite('#k1', function () {
test('default value', function () {
var builder = new lunr.Builder
assert.equal(1.2, builder._k1)
})
test('values less than zero', function () {
var builder = new lunr.Builder
builder.k1(1.6)
assert.equal(1.6, builder._k1)
})
})
suite('#use', function () {
setup(function () {
this.builder = new lunr.Builder
})
test('calls plugin function', function () {
var wasCalled = false,
plugin = function () { wasCalled = true }
this.builder.use(plugin)
assert.isTrue(wasCalled)
})
test('sets context to the builder instance', function () {
var context = null,
plugin = function () { context = this }
this.builder.use(plugin)
assert.equal(context, this.builder)
})
test('passes builder as first argument', function () {
var arg = null,
plugin = function (a) { arg = a }
this.builder.use(plugin)
assert.equal(arg, this.builder)
})
test('forwards arguments to the plugin', function () {
var args = null,
plugin = function () { args = [].slice.call(arguments) }
this.builder.use(plugin, 1, 2, 3)
assert.deepEqual(args, [this.builder, 1, 2, 3])
})
})
suite('#build', function () {
setup(function () {
var builder = new lunr.Builder,
doc = { id: 'id', title: 'test', body: 'missing' }
builder.ref('id')
builder.field('title')
builder.add(doc)
builder.build()
this.builder = builder
})
//test('adds tokens to invertedIndex', function () {
// assert.nestedProperty(this.builder.invertedIndex, 'test.title.id')
//})
test('builds a vector space of the document fields', function () {
assert.property(this.builder.fieldVectors, 'title/id')
assert.instanceOf(this.builder.fieldVectors['title/id'], lunr.Vector)
})
test('skips fields not defined for indexing', function () {
assert.notProperty(this.builder.invertedIndex, 'missing')
})
test('builds a token set for the corpus', function () {
var needle = lunr.TokenSet.fromString('test')
assert.include(this.builder.tokenSet.intersect(needle).toArray(), 'test')
})
test('calculates document count', function () {
assert.equal(1, this.builder.documentCount)
})
test('calculates average field length', function () {
assert.equal(1, this.builder.averageFieldLength['title'])
})
test('index returned', function () {
var builder = new lunr.Builder,
doc = { id: 'id', title: 'test', body: 'missing' }
builder.ref('id')
builder.field('title')
builder.add(doc)
assert.instanceOf(builder.build(), lunr.Index)
})
})
})
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