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Retain batch concept and return lines in groups of 1000

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This commit is contained in:
Young Hahn
2015-01-16 13:22:41 -05:00
parent ea292f20c9
commit 62831d95bb
2 changed files with 59 additions and 11 deletions
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39
test/zxystream.js
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@@ -10,12 +10,13 @@ tape('zxystream setup', function(assert) {
});
});
tape('zxystream default', function(assert) {
tape('zxystream default batch', function(assert) {
var stream = source.createZXYStream();
var output = '';
var called = 0;
assert.deepEqual(stream.source, source, 'sets stream.source');
assert.deepEqual(stream.batch, 1000, 'sets stream.batch = 1000');
stream.on('data', function(lines) {
assert.equal(stream.table, 'map');
@@ -25,7 +26,7 @@ tape('zxystream default', function(assert) {
stream.on('end', function() {
var queue = output.toString().split('\n');
assert.equal(queue.length, 270);
assert.equal(called, 269, 'emitted data' + called + ' times');
assert.equal(called, 1, 'emitted data x1 times');
checkTile(queue);
function checkTile(queue) {
if (!queue.length) return assert.end();
@@ -41,6 +42,37 @@ tape('zxystream default', function(assert) {
});
tape('zxystream batch = 10', function(assert) {
var stream = source.createZXYStream({batch:10});
var output = '';
var called = 0;
assert.deepEqual(stream.source, source, 'sets stream.source');
assert.deepEqual(stream.batch, 10, 'sets stream.batch = 10');
stream.on('data', function(lines) {
assert.equal(stream.table, 'map');
output += lines;
called++;
});
stream.on('end', function() {
var queue = output.toString().split('\n');
assert.equal(queue.length, 270);
assert.equal(called, 27, 'emitted data x27 times');
checkTile(queue);
function checkTile(queue) {
if (!queue.length) return assert.end();
var zxy = queue.shift();
if (!zxy) return checkTile(queue);
zxy = zxy.split('/');
source.getTile(zxy[0], zxy[1], zxy[2], function(err, buffer, headers) {
assert.equal(!err && (buffer instanceof Buffer), true, zxy.join('/') + ' exists');
checkTile(queue);
});
}
});
});
tape('zxystream unindexed', function(assert) {
new MBTiles(__dirname + '/fixtures/unindexed.mbtiles', function(err, s) {
assert.ifError(err);
@@ -55,6 +87,7 @@ tape('zxystream unindexed zxystream', function(assert) {
var called = 0;
assert.deepEqual(stream.source, source, 'sets stream.source');
assert.deepEqual(stream.batch, 1000, 'sets stream.batch = 1000');
stream.on('data', function(lines) {
assert.equal(stream.table, 'tiles');
@@ -64,7 +97,7 @@ tape('zxystream unindexed zxystream', function(assert) {
stream.on('end', function() {
var queue = output.toString().split('\n');
assert.equal(queue.length, 286);
assert.equal(called, 285, 'emitted data x285 times');
assert.equal(called, 1, 'emitted data x27 times');
checkTile(queue);
function checkTile(queue) {
if (!queue.length) return assert.end();