karma-ng-hamlet2js-preprocessor/test/spec/spies.js

A karma plugin to compile Hamlet HTML templates to JavaScript on the fly.

var child_proc = require("child_process");
var hamlet2js = require("./../../lib/hamlet2js.js");

//Mocks out proc.execFile to return the given error, stdout, and stderr
//Returns the spy for the stdin used for exec.
exports.mockExec = function(error, stdout, stderr) {
    var stdinSpy = createSpyObj("stdin", ["write", "end"]);

    spyOn(child_proc, 'execFile').and.callFake(function(prog, args, opts, done) {
        done(error, stdout, stderr);
        return { stdin: stdinSpy };
    });

    return stdinSpy;
};

//Calls hamlet2js with the given args.  Returns a spy for the done function passed to hamlet2js.
exports.callHamlet = function(config, filePath, fileOriginalPath) {
    var logger =
        { create: function() {
                    return { debug: createSpy("debug log"),
                             error: createSpy("debug error"),   
                           };
                  }
        };
    var func = hamlet2js(logger, config);

    var file = { path: filePath, originalPath: fileOriginalPath };
    var doneSpy = createSpy("processDone");

    func("", file, doneSpy);

    expect(file.path).toEqual(filePath + ".js");

    return doneSpy;
}