ashatora/node-mbtiles
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first shot at putTile

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This commit is contained in:
Konstantin Käfer
2011-07-07 21:04:11 +02:00
parent bce3cfcc58
commit c0fb0fd2a6
3 changed files with 436 additions and 291 deletions
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60
test/write.test.js
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@@ -1,3 +1,5 @@
process.env.NODE_ENV = 'test';
var fs = require('fs');
var assert = require('assert');
var MBTiles = require('..');
@@ -5,19 +7,69 @@ var MBTiles = require('..');
var fixtureDir = __dirname + '/fixtures/output';
// Recreate output directory to remove previous tests.
try { fs.unlinkSync(fixtureDir + '/test_1.mbtiles'); } catch(err) {}
try { fs.unlinkSync(fixtureDir + '/write_1.mbtiles'); } catch(err) {}
try { fs.mkdirSync(fixtureDir, 0755); } catch(err) {}
exports['test mbtiles file creation'] = function(beforeExit) {
var completed = {};
new MBTiles(fixtureDir + '/test_1.mbtiles', function(err, mbtiles) {
var completed = { written: 0, read: 0 };
new MBTiles(fixtureDir + '/write_1.mbtiles', function(err, mbtiles) {
completed.open = true;
if (err) throw err;
mbtiles.startWriting(function(err) {
completed.started = true;
if (err) throw err;
fs.readdirSync(__dirname + '/fixtures/images/').forEach(insertTile);
});
function insertTile(file) {
var coords = file.match(/^plain_1_(\d+)_(\d+)_(\d+).png$/);
if (!coords) return;
// Flip Y coordinate because file names are TMS, but .putTile() expects XYZ.
coords[2] = Math.pow(2, coords[3]) - 1 - coords[2];
fs.readFile(__dirname + '/fixtures/images/' + file, function(err, tile) {
if (err) throw err;
mbtiles.putTile(coords[3] | 0, coords[1] | 0, coords[2] | 0, tile, function(err) {
if (err) throw err;
completed.written++;
if (completed.written === 285) {
mbtiles.stopWriting(function(err) {
completed.stopped = true;
if (err) throw err;
verifyWritten();
});
}
});
});
}
function verifyWritten() {
fs.readdirSync(__dirname + '/fixtures/images/').forEach(function(file) {
var coords = file.match(/^plain_1_(\d+)_(\d+)_(\d+).png$/);
if (coords) {
// Flip Y coordinate because file names are TMS, but .getTile() expects XYZ.
coords[2] = Math.pow(2, coords[3]) - 1 - coords[2];
mbtiles.getTile(coords[3] | 0, coords[1] | 0, coords[2] | 0, function(err, tile) {
if (err) throw err;
assert.deepEqual(tile, fs.readFileSync(__dirname + '/fixtures/images/' + file));
completed.read++;
});
}
});
}
});
beforeExit(function() {
assert.deepEqual({
open: true
open: true,
started: true,
written: 285,
read: 285,
stopped: true
}, completed);
})
};