76 lines
2.7 KiB
JavaScript
76 lines
2.7 KiB
JavaScript
process.env.NODE_ENV = 'test';
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var fs = require('fs');
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var assert = require('assert');
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var MBTiles = require('..');
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var fixtureDir = __dirname + '/fixtures/output';
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// Recreate output directory to remove previous tests.
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try { fs.unlinkSync(fixtureDir + '/write_1.mbtiles'); } catch(err) {}
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try { fs.mkdirSync(fixtureDir, 0755); } catch(err) {}
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exports['test mbtiles file creation'] = function(beforeExit) {
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var completed = { written: 0, read: 0 };
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new MBTiles(fixtureDir + '/write_1.mbtiles', function(err, mbtiles) {
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completed.open = true;
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if (err) throw err;
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mbtiles.startWriting(function(err) {
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completed.started = true;
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if (err) throw err;
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fs.readdirSync(__dirname + '/fixtures/images/').forEach(insertTile);
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});
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function insertTile(file) {
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var coords = file.match(/^plain_1_(\d+)_(\d+)_(\d+).png$/);
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if (!coords) return;
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// Flip Y coordinate because file names are TMS, but .putTile() expects XYZ.
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coords[2] = Math.pow(2, coords[3]) - 1 - coords[2];
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fs.readFile(__dirname + '/fixtures/images/' + file, function(err, tile) {
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if (err) throw err;
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mbtiles.putTile(coords[3] | 0, coords[1] | 0, coords[2] | 0, tile, function(err) {
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if (err) throw err;
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completed.written++;
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if (completed.written === 285) {
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mbtiles.stopWriting(function(err) {
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completed.stopped = true;
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if (err) throw err;
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verifyWritten();
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});
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}
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});
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});
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}
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function verifyWritten() {
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fs.readdirSync(__dirname + '/fixtures/images/').forEach(function(file) {
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var coords = file.match(/^plain_1_(\d+)_(\d+)_(\d+).png$/);
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if (coords) {
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// Flip Y coordinate because file names are TMS, but .getTile() expects XYZ.
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coords[2] = Math.pow(2, coords[3]) - 1 - coords[2];
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mbtiles.getTile(coords[3] | 0, coords[1] | 0, coords[2] | 0, function(err, tile) {
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if (err) throw err;
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assert.deepEqual(tile, fs.readFileSync(__dirname + '/fixtures/images/' + file));
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completed.read++;
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});
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}
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});
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}
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});
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beforeExit(function() {
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assert.deepEqual({
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open: true,
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started: true,
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written: 285,
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read: 285,
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stopped: true
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}, completed);
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})
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};
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