51 lines
1.0 KiB
JavaScript
51 lines
1.0 KiB
JavaScript
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t = db.mr_errorhandling;
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t.drop();
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t.save({a: [1, 2, 3]});
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t.save({a: [2, 3, 4]});
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m_good = function() {
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for (var i = 0; i < this.a.length; i++) {
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emit(this.a[i], 1);
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}
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};
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m_bad = function() {
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for (var i = 0; i < this.a.length; i++) {
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emit(this.a[i]);
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}
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};
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r = function(k, v) {
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var total = 0;
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for (var i = 0; i < v.length; i++)
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total += v[i];
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return total;
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};
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res = t.mapReduce(m_good, r, "mr_errorhandling_out");
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assert.eq({1: 1, 2: 2, 3: 2, 4: 1}, res.convertToSingleObject(), "A");
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res.drop();
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res = null;
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theerror = null;
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try {
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res = t.mapReduce(m_bad, r, "mr_errorhandling_out");
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} catch (e) {
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theerror = e.toString();
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}
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assert.isnull(res, "B1");
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assert(theerror, "B2");
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assert(theerror.indexOf("emit") >= 0, "B3");
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// test things are still in an ok state
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res = t.mapReduce(m_good, r, "mr_errorhandling_out");
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assert.eq({1: 1, 2: 2, 3: 2, 4: 1}, res.convertToSingleObject(), "A");
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res.drop();
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assert.throws(function() {
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t.mapReduce(m_good, r, {out: "xxx", query: "foo"});
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});
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