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Merge pull request #779 from nasa/precision-778b

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[Data Formats] Format numeric values with full precision
This commit is contained in:
Andrew Henry 2016-03-23 12:15:26 -07:00
commit 3e4a3aeb9b
4 changed files with 17 additions and 9 deletions
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6
platform/features/plot/src/elements/PlotTelemetryFormatter.js
View File

@ -26,6 +26,8 @@ define(
function () {
'use strict';
var DIGITS = 3;
/**
* Wraps a `TelemetryFormatter` to provide formats for domain and
* range values; provides a single place to track domain/range
@ -63,6 +65,10 @@ define(
};
PlotTelemetryFormatter.prototype.formatRangeValue = function (value) {
if (typeof value === 'number') {
return value.toFixed(DIGITS);
}
return this.telemetryFormatter
.formatRangeValue(value, this.rangeFormat);
};

9
platform/features/plot/test/elements/PlotTelemetryFormatterSpec.js
View File

@ -55,14 +55,17 @@ define(
.toHaveBeenCalledWith(12321, domainFormat);
});
it("includes format in formatRangeValue calls", function () {
it("includes format in formatRangeValue calls for strings", function () {
mockFormatter.formatRangeValue.andReturn("formatted!");
expect(formatter.formatRangeValue(12321))
expect(formatter.formatRangeValue('foo'))
.toEqual("formatted!");
expect(mockFormatter.formatRangeValue)
.toHaveBeenCalledWith(12321, rangeFormat);
.toHaveBeenCalledWith('foo', rangeFormat);
});
it("formats numeric values with three fixed digits", function () {
expect(formatter.formatRangeValue(10)).toEqual("10.000");
});
});
});

6
platform/telemetry/src/TelemetryFormatter.js
View File

@ -26,10 +26,6 @@ define(
function () {
"use strict";
// Date format to use for domain values; in particular,
// use day-of-year instead of month/day
var VALUE_FORMAT_DIGITS = 3;
/**
* The TelemetryFormatter is responsible for formatting (as text
* for display) values along either the domain (usually time) or
@ -73,7 +69,7 @@ define(
* value, suitable for display.
*/
TelemetryFormatter.prototype.formatRangeValue = function (v, key) {
return isNaN(v) ? String(v) : v.toFixed(VALUE_FORMAT_DIGITS);
return String(v);
};
return TelemetryFormatter;

5
platform/telemetry/test/TelemetryFormatterSpec.js
View File

@ -59,7 +59,10 @@ define(
});
it("formats ranges as values", function () {
expect(formatter.formatRangeValue(10)).toEqual("10.000");
var value = 3.14159265352979323846264338, // not pi
formatted = formatter.formatRangeValue(value);
// Make sure we don't lose information by formatting
expect(parseFloat(formatted)).toEqual(value);
});
});
}