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Test/use mocks - test setup #61

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944007b
feat: remove deprecated fs.exists function; enable setting the gpio p…
makeros Oct 8, 2019
6eba9cd
test: prepare basic tests with mocked gpio
makeros Oct 8, 2019
dd9740a
Merge branch 'master' into test/use-mocks
makeros Oct 22, 2019
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
*~
tmp/
node_modules/
sys/
16 changes: 10 additions & 6 deletions lib/gpio.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,6 @@ var fs = require('fs');
var util = require('util');
var path = require('path');
var EventEmitter = require('events').EventEmitter;
var exists = fs.existsSync || path.exists;

var gpiopath = '/sys/class/gpio/';
var DIRECTION = { 'IN': 'in', 'OUT': 'out' };
Expand Down Expand Up @@ -42,12 +41,15 @@ var _unexport = function(number, fn) {
if(typeof fn === 'function') fn();
}, 1);
};

var _export = function(n, fn) {
if(exists(gpiopath + 'gpio'+n)) {
try {
fs.accessSync(gpiopath + 'gpio'+n)
// already exported, unexport and export again
logMessage('Header already exported');
_unexport(n, function() { _export(n, fn); });
} else {

} catch (e) {
logMessage('Exporting gpio' + n);
_write(n, gpiopath + 'export', function(err) {
// if there's an error when exporting, unexport and repeat
Expand All @@ -63,7 +65,7 @@ var _testwrite = function(file, fn) {
return;
}
fs.close(fd, function(err){
fn(true, null);
fn(true, null);
});
});
};
Expand Down Expand Up @@ -204,7 +206,7 @@ GPIO.prototype.setDirection = function(dir, fn) {
self.emit('directionChange', dir);
}
}, 1);

});
};

Expand Down Expand Up @@ -255,4 +257,6 @@ exports.logging = false;
exports.export = function(headerNum, opts) { return new GPIO(headerNum, opts); };
exports.DIRECTION = DIRECTION;
exports.unexport = _unexport;

exports.setConfig = function (config) {
gpiopath = config.gpiopath || gpiopath
}
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