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Added check for null value in ValueMappings and added tests

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This commit is contained in:
Hugo Häggmark
2019-01-21 15:58:36 +01:00
parent 96d28703f7
commit 38ea11d110
2 changed files with 57 additions and 4 deletions
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22
packages/grafana-ui/src/components/Gauge/Gauge.tsx
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@@ -60,10 +60,14 @@ export class Gauge extends PureComponent<Props> {
}
addValueToTextMappingText(allValueMappings: ValueMapping[], valueToTextMapping: ValueMap, value: TimeSeriesValue) {
if (!valueToTextMapping.value) {
if (valueToTextMapping.value === undefined) {
return allValueMappings;
}
if (value === null && valueToTextMapping.value && valueToTextMapping.value.toLowerCase() === 'null') {
return allValueMappings.concat(valueToTextMapping);
}
const valueAsNumber = parseFloat(value as string);
const valueToTextMappingAsNumber = parseFloat(valueToTextMapping.value as string);
@@ -79,10 +83,19 @@ export class Gauge extends PureComponent<Props> {
}
addRangeToTextMappingText(allValueMappings: ValueMapping[], rangeToTextMapping: RangeMap, value: TimeSeriesValue) {
if (!rangeToTextMapping.from || !rangeToTextMapping.to || !value) {
if (rangeToTextMapping.from === undefined || rangeToTextMapping.to === undefined || value === undefined) {
return allValueMappings;
}
if (
value === null &&
rangeToTextMapping.from &&
rangeToTextMapping.to &&
(rangeToTextMapping.from.toLowerCase() === 'null' || rangeToTextMapping.to.toLowerCase() === 'null')
) {
return allValueMappings.concat(rangeToTextMapping);
}
const valueAsNumber = parseFloat(value as string);
const fromAsNumber = parseFloat(rangeToTextMapping.from as string);
const toAsNumber = parseFloat(rangeToTextMapping.to as string);
@@ -139,8 +152,9 @@ export class Gauge extends PureComponent<Props> {
const formatFunc = getValueFormat(unit);
const formattedValue = formatFunc(value as number, decimals);
const handleNoValueValue = formattedValue || 'no value';
return `${prefix} ${formattedValue} ${suffix}`;
return `${prefix} ${handleNoValueValue} ${suffix}`;
}
getFontColor(value: TimeSeriesValue) {
@@ -204,7 +218,7 @@ export class Gauge extends PureComponent<Props> {
if (timeSeries[0]) {
value = timeSeries[0].stats[stat];
} else {
value = 'N/A';
value = null;
}
const dimension = Math.min(width, height * 1.3);