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nexpie-grafana-theme
Commit 6f2315d5 by David Kaltschmidt
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Moved prom language features to datasource language provider

parent 54a3e2d1
Showing with 320 additions and 332 deletions
public/app/features/explore/Explore.tsx
......@@ -695,11 +695,6 @@ export class Explore extends React.PureComponent<ExploreProps, ExploreState> {
});
}
request = url => {
const { datasource } = this.state;
return datasource.metadataRequest(url);
};
cloneState(): ExploreState {
// Copy state, but copy queries including modifications
return {
......@@ -831,9 +826,9 @@ export class Explore extends React.PureComponent<ExploreProps, ExploreState> {
{datasource && !datasourceError ? (
<div className="explore-container">
<QueryRows
datasource={datasource}
history={history}
queries={queries}
request={this.request}
onAddQueryRow={this.onAddQueryRow}
onChangeQuery={this.onChangeQuery}
onClickHintFix={this.onModifyQueries}
......
public/app/features/explore/PromQueryField.test.tsx
import React from 'react';
import Enzyme, { shallow } from 'enzyme';
import Adapter from 'enzyme-adapter-react-16';
import Plain from 'slate-plain-serializer';
import PromQueryField, { groupMetricsByPrefix, RECORDING_RULES_GROUP } from './PromQueryField';
Enzyme.configure({ adapter: new Adapter() });
describe('PromQueryField typeahead handling', () => {
const defaultProps = {
request: () => ({ data: { data: [] } }),
};
it('returns default suggestions on emtpty context', () => {
const instance = shallow(<PromQueryField {...defaultProps} />).instance() as PromQueryField;
const result = instance.getTypeahead({ text: '', prefix: '', wrapperClasses: [] });
expect(result.context).toBeUndefined();
expect(result.refresher).toBeUndefined();
expect(result.suggestions.length).toEqual(2);
});
describe('range suggestions', () => {
it('returns range suggestions in range context', () => {
const instance = shallow(<PromQueryField {...defaultProps} />).instance() as PromQueryField;
const result = instance.getTypeahead({ text: '1', prefix: '1', wrapperClasses: ['context-range'] });
expect(result.context).toBe('context-range');
expect(result.refresher).toBeUndefined();
expect(result.suggestions).toEqual([
{
items: [{ label: '1m' }, { label: '5m' }, { label: '10m' }, { label: '30m' }, { label: '1h' }],
label: 'Range vector',
},
]);
});
});
describe('metric suggestions', () => {
it('returns metrics suggestions by default', () => {
const instance = shallow(
<PromQueryField {...defaultProps} metrics={['foo', 'bar']} />
).instance() as PromQueryField;
const result = instance.getTypeahead({ text: 'a', prefix: 'a', wrapperClasses: [] });
expect(result.context).toBeUndefined();
expect(result.refresher).toBeUndefined();
expect(result.suggestions.length).toEqual(2);
});
it('returns default suggestions after a binary operator', () => {
const instance = shallow(
<PromQueryField {...defaultProps} metrics={['foo', 'bar']} />
).instance() as PromQueryField;
const result = instance.getTypeahead({ text: '*', prefix: '', wrapperClasses: [] });
expect(result.context).toBeUndefined();
expect(result.refresher).toBeUndefined();
expect(result.suggestions.length).toEqual(2);
});
});
describe('label suggestions', () => {
it('returns default label suggestions on label context and no metric', () => {
const instance = shallow(<PromQueryField {...defaultProps} />).instance() as PromQueryField;
const value = Plain.deserialize('{}');
const range = value.selection.merge({
anchorOffset: 1,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.getTypeahead({
text: '',
prefix: '',
wrapperClasses: ['context-labels'],
value: valueWithSelection,
});
expect(result.context).toBe('context-labels');
expect(result.suggestions).toEqual([{ items: [{ label: 'job' }, { label: 'instance' }], label: 'Labels' }]);
});
it('returns label suggestions on label context and metric', () => {
const instance = shallow(
<PromQueryField {...defaultProps} labelKeys={{ '{__name__="metric"}': ['bar'] }} />
).instance() as PromQueryField;
const value = Plain.deserialize('metric{}');
const range = value.selection.merge({
anchorOffset: 7,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.getTypeahead({
text: '',
prefix: '',
wrapperClasses: ['context-labels'],
value: valueWithSelection,
});
expect(result.context).toBe('context-labels');
expect(result.suggestions).toEqual([{ items: [{ label: 'bar' }], label: 'Labels' }]);
});
it('returns label suggestions on label context but leaves out labels that already exist', () => {
const instance = shallow(
<PromQueryField
{...defaultProps}
labelKeys={{ '{job1="foo",job2!="foo",job3=~"foo"}': ['bar', 'job1', 'job2', 'job3'] }}
/>
).instance() as PromQueryField;
const value = Plain.deserialize('{job1="foo",job2!="foo",job3=~"foo",}');
const range = value.selection.merge({
anchorOffset: 36,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.getTypeahead({
text: '',
prefix: '',
wrapperClasses: ['context-labels'],
value: valueWithSelection,
});
expect(result.context).toBe('context-labels');
expect(result.suggestions).toEqual([{ items: [{ label: 'bar' }], label: 'Labels' }]);
});
it('returns label value suggestions inside a label value context after a negated matching operator', () => {
const instance = shallow(
<PromQueryField
{...defaultProps}
labelKeys={{ '{}': ['label'] }}
labelValues={{ '{}': { label: ['a', 'b', 'c'] } }}
/>
).instance() as PromQueryField;
const value = Plain.deserialize('{label!=}');
const range = value.selection.merge({ anchorOffset: 8 });
const valueWithSelection = value.change().select(range).value;
const result = instance.getTypeahead({
text: '!=',
prefix: '',
wrapperClasses: ['context-labels'],
labelKey: 'label',
value: valueWithSelection,
});
expect(result.context).toBe('context-label-values');
expect(result.suggestions).toEqual([
{
items: [{ label: 'a' }, { label: 'b' }, { label: 'c' }],
label: 'Label values for "label"',
},
]);
});
it('returns a refresher on label context and unavailable metric', () => {
const instance = shallow(
<PromQueryField {...defaultProps} labelKeys={{ '{__name__="foo"}': ['bar'] }} />
).instance() as PromQueryField;
const value = Plain.deserialize('metric{}');
const range = value.selection.merge({
anchorOffset: 7,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.getTypeahead({
text: '',
prefix: '',
wrapperClasses: ['context-labels'],
value: valueWithSelection,
});
expect(result.context).toBeUndefined();
expect(result.refresher).toBeInstanceOf(Promise);
expect(result.suggestions).toEqual([]);
});
it('returns label values on label context when given a metric and a label key', () => {
const instance = shallow(
<PromQueryField
{...defaultProps}
labelKeys={{ '{__name__="metric"}': ['bar'] }}
labelValues={{ '{__name__="metric"}': { bar: ['baz'] } }}
/>
).instance() as PromQueryField;
const value = Plain.deserialize('metric{bar=ba}');
const range = value.selection.merge({
anchorOffset: 13,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.getTypeahead({
text: '=ba',
prefix: 'ba',
wrapperClasses: ['context-labels'],
labelKey: 'bar',
value: valueWithSelection,
});
expect(result.context).toBe('context-label-values');
expect(result.suggestions).toEqual([{ items: [{ label: 'baz' }], label: 'Label values for "bar"' }]);
});
it('returns label suggestions on aggregation context and metric w/ selector', () => {
const instance = shallow(
<PromQueryField {...defaultProps} labelKeys={{ '{__name__="metric",foo="xx"}': ['bar'] }} />
).instance() as PromQueryField;
const value = Plain.deserialize('sum(metric{foo="xx"}) by ()');
const range = value.selection.merge({
anchorOffset: 26,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.getTypeahead({
text: '',
prefix: '',
wrapperClasses: ['context-aggregation'],
value: valueWithSelection,
});
expect(result.context).toBe('context-aggregation');
expect(result.suggestions).toEqual([{ items: [{ label: 'bar' }], label: 'Labels' }]);
});
it('returns label suggestions on aggregation context and metric w/o selector', () => {
const instance = shallow(
<PromQueryField {...defaultProps} labelKeys={{ '{__name__="metric"}': ['bar'] }} />
).instance() as PromQueryField;
const value = Plain.deserialize('sum(metric) by ()');
const range = value.selection.merge({
anchorOffset: 16,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.getTypeahead({
text: '',
prefix: '',
wrapperClasses: ['context-aggregation'],
value: valueWithSelection,
});
expect(result.context).toBe('context-aggregation');
expect(result.suggestions).toEqual([{ items: [{ label: 'bar' }], label: 'Labels' }]);
});
});
});
import { groupMetricsByPrefix, RECORDING_RULES_GROUP } from './PromQueryField';
describe('groupMetricsByPrefix()', () => {
it('returns an empty group for no metrics', () => {
......
public/app/features/explore/QueryField.tsx
......@@ -5,6 +5,8 @@ import { Change, Value } from 'slate';
import { Editor } from 'slate-react';
import Plain from 'slate-plain-serializer';
import { CompletionItem, CompletionItemGroup, TypeaheadOutput } from 'app/types/explore';
import ClearPlugin from './slate-plugins/clear';
import NewlinePlugin from './slate-plugins/newline';
......@@ -13,87 +15,17 @@ import { makeFragment, makeValue } from './Value';
export const TYPEAHEAD_DEBOUNCE = 100;
function getSuggestionByIndex(suggestions: SuggestionGroup[], index: number): Suggestion {
function getSuggestionByIndex(suggestions: CompletionItemGroup[], index: number): CompletionItem {
// Flatten suggestion groups
const flattenedSuggestions = suggestions.reduce((acc, g) => acc.concat(g.items), []);
const correctedIndex = Math.max(index, 0) % flattenedSuggestions.length;
return flattenedSuggestions[correctedIndex];
}
function hasSuggestions(suggestions: SuggestionGroup[]): boolean {
function hasSuggestions(suggestions: CompletionItemGroup[]): boolean {
return suggestions && suggestions.length > 0;
}
export interface Suggestion {
/**
* The label of this completion item. By default
* this is also the text that is inserted when selecting
* this completion.
*/
label: string;
/**
* The kind of this completion item. Based on the kind
* an icon is chosen by the editor.
*/
kind?: string;
/**
* A human-readable string with additional information
* about this item, like type or symbol information.
*/
detail?: string;
/**
* A human-readable string, can be Markdown, that represents a doc-comment.
*/
documentation?: string;
/**
* A string that should be used when comparing this item
* with other items. When `falsy` the `label` is used.
*/
sortText?: string;
/**
* A string that should be used when filtering a set of
* completion items. When `falsy` the `label` is used.
*/
filterText?: string;
/**
* A string or snippet that should be inserted in a document when selecting
* this completion. When `falsy` the `label` is used.
*/
insertText?: string;
/**
* Delete number of characters before the caret position,
* by default the letters from the beginning of the word.
*/
deleteBackwards?: number;
/**
* Number of steps to move after the insertion, can be negative.
*/
move?: number;
}
export interface SuggestionGroup {
/**
* Label that will be displayed for all entries of this group.
*/
label: string;
/**
* List of suggestions of this group.
*/
items: Suggestion[];
/**
* If true, match only by prefix (and not mid-word).
*/
prefixMatch?: boolean;
/**
* If true, do not filter items in this group based on the search.
*/
skipFilter?: boolean;
/**
* If true, do not sort items.
*/
skipSort?: boolean;
}
interface TypeaheadFieldProps {
additionalPlugins?: any[];
cleanText?: (text: string) => string;
......@@ -110,7 +42,7 @@ interface TypeaheadFieldProps {
}
export interface TypeaheadFieldState {
suggestions: SuggestionGroup[];
suggestions: CompletionItemGroup[];
typeaheadContext: string | null;
typeaheadIndex: number;
typeaheadPrefix: string;
......@@ -127,12 +59,6 @@ export interface TypeaheadInput {
wrapperNode: Element;
}
export interface TypeaheadOutput {
context?: string;
refresher?: Promise<{}>;
suggestions: SuggestionGroup[];
}
class QueryField extends React.PureComponent<TypeaheadFieldProps, TypeaheadFieldState> {
menuEl: HTMLElement | null;
plugins: any[];
......@@ -293,7 +219,7 @@ class QueryField extends React.PureComponent<TypeaheadFieldProps, TypeaheadField
}
}, TYPEAHEAD_DEBOUNCE);
applyTypeahead(change: Change, suggestion: Suggestion): Change {
applyTypeahead(change: Change, suggestion: CompletionItem): Change {
const { cleanText, onWillApplySuggestion, syntax } = this.props;
const { typeaheadPrefix, typeaheadText } = this.state;
let suggestionText = suggestion.insertText || suggestion.label;
......@@ -422,7 +348,7 @@ class QueryField extends React.PureComponent<TypeaheadFieldProps, TypeaheadField
}
};
onClickMenu = (item: Suggestion) => {
onClickMenu = (item: CompletionItem) => {
// Manually triggering change
const change = this.applyTypeahead(this.state.value.change(), item);
this.onChange(change);
......
public/app/features/explore/QueryRows.tsx
......@@ -24,8 +24,8 @@ interface QueryRowEventHandlers {
interface QueryRowCommonProps {
className?: string;
datasource: any;
history: HistoryItem[];
request: (url: string) => Promise<any>;
// Temporarily
supportsLogs?: boolean;
transactions: QueryTransaction[];
......@@ -78,7 +78,7 @@ class QueryRow extends PureComponent<QueryRowProps> {
};
render() {
const { history, query, request, supportsLogs, transactions } = this.props;
const { datasource, history, query, supportsLogs, transactions } = this.props;
const transactionWithError = transactions.find(t => t.error !== undefined);
const hint = getFirstHintFromTransactions(transactions);
const queryError = transactionWithError ? transactionWithError.error : null;
......@@ -89,6 +89,7 @@ class QueryRow extends PureComponent<QueryRowProps> {
</div>
<div className="query-row-field">
<QueryField
datasource={datasource}
error={queryError}
hint={hint}
initialQuery={query}
......@@ -96,7 +97,6 @@ class QueryRow extends PureComponent<QueryRowProps> {
onClickHintFix={this.onClickHintFix}
onPressEnter={this.onPressEnter}
onQueryChange={this.onChangeQuery}
request={request}
supportsLogs={supportsLogs}
/>
</div>
......
public/app/features/explore/Typeahead.tsx
import React from 'react';
import Highlighter from 'react-highlight-words';
import { Suggestion, SuggestionGroup } from './QueryField';
import { CompletionItem, CompletionItemGroup } from 'app/types/explore';
function scrollIntoView(el: HTMLElement) {
if (!el || !el.offsetParent) {
......@@ -15,12 +15,12 @@ function scrollIntoView(el: HTMLElement) {
interface TypeaheadItemProps {
isSelected: boolean;
item: Suggestion;
item: CompletionItem;
onClickItem: (Suggestion) => void;
prefix?: string;
}
class TypeaheadItem extends React.PureComponent<TypeaheadItemProps, {}> {
class TypeaheadItem extends React.PureComponent<TypeaheadItemProps> {
el: HTMLElement;
componentDidUpdate(prevProps) {
......@@ -53,14 +53,14 @@ class TypeaheadItem extends React.PureComponent<TypeaheadItemProps, {}> {
}
interface TypeaheadGroupProps {
items: Suggestion[];
items: CompletionItem[];
label: string;
onClickItem: (Suggestion) => void;
selected: Suggestion;
onClickItem: (CompletionItem) => void;
selected: CompletionItem;
prefix?: string;
}
class TypeaheadGroup extends React.PureComponent<TypeaheadGroupProps, {}> {
class TypeaheadGroup extends React.PureComponent<TypeaheadGroupProps> {
render() {
const { items, label, selected, onClickItem, prefix } = this.props;
return (
......@@ -85,13 +85,13 @@ class TypeaheadGroup extends React.PureComponent<TypeaheadGroupProps, {}> {
}
interface TypeaheadProps {
groupedItems: SuggestionGroup[];
groupedItems: CompletionItemGroup[];
menuRef: any;
selectedItem: Suggestion | null;
selectedItem: CompletionItem | null;
onClickItem: (Suggestion) => void;
prefix?: string;
}
class Typeahead extends React.PureComponent<TypeaheadProps, {}> {
class Typeahead extends React.PureComponent<TypeaheadProps> {
render() {
const { groupedItems, menuRef, selectedItem, onClickItem, prefix } = this.props;
return (
......
public/app/plugins/datasource/prometheus/datasource.ts
......@@ -5,6 +5,7 @@ import kbn from 'app/core/utils/kbn';
import * as dateMath from 'app/core/utils/datemath';
import PrometheusMetricFindQuery from './metric_find_query';
import { ResultTransformer } from './result_transformer';
import PrometheusLanguageProvider from './language_provider';
import { BackendSrv } from 'app/core/services/backend_srv';
import addLabelToQuery from './add_label_to_query';
......@@ -60,6 +61,7 @@ export class PrometheusDatasource {
interval: string;
queryTimeout: string;
httpMethod: string;
languageProvider: PrometheusLanguageProvider;
resultTransformer: ResultTransformer;
/** @ngInject */
......@@ -76,6 +78,7 @@ export class PrometheusDatasource {
this.httpMethod = instanceSettings.jsonData.httpMethod || 'GET';
this.resultTransformer = new ResultTransformer(templateSrv);
this.ruleMappings = {};
this.languageProvider = new PrometheusLanguageProvider(this);
}
init() {
......
public/app/features/explore/utils/prometheus.ts → public/app/plugins/datasource/prometheus/language_utils.ts
......@@ -23,9 +23,6 @@ export function processLabels(labels, withName = false) {
return { values, keys: Object.keys(values) };
}
// Strip syntax chars
export const cleanText = s => s.replace(/[{}[\]="(),!~+\-*/^%]/g, '').trim();
// const cleanSelectorRegexp = /\{(\w+="[^"\n]*?")(,\w+="[^"\n]*?")*\}/;
const selectorRegexp = /\{[^}]*?\}/;
const labelRegexp = /\b(\w+)(!?=~?)("[^"\n]*?")/g;
......
public/app/plugins/datasource/prometheus/specs/language_provider.test.ts 0 → 100644
import Plain from 'slate-plain-serializer';
import LanguageProvider from '../language_provider';
describe('Language completion provider', () => {
const datasource = {
metadataRequest: () => ({ data: { data: [] } }),
};
it('returns default suggestions on emtpty context', () => {
const instance = new LanguageProvider(datasource);
const result = instance.provideCompletionItems({ text: '', prefix: '', wrapperClasses: [] });
expect(result.context).toBeUndefined();
expect(result.refresher).toBeUndefined();
expect(result.suggestions.length).toEqual(2);
});
describe('range suggestions', () => {
it('returns range suggestions in range context', () => {
const instance = new LanguageProvider(datasource);
const result = instance.provideCompletionItems({ text: '1', prefix: '1', wrapperClasses: ['context-range'] });
expect(result.context).toBe('context-range');
expect(result.refresher).toBeUndefined();
expect(result.suggestions).toEqual([
{
items: [{ label: '1m' }, { label: '5m' }, { label: '10m' }, { label: '30m' }, { label: '1h' }],
label: 'Range vector',
},
]);
});
});
describe('metric suggestions', () => {
it('returns metrics suggestions by default', () => {
const instance = new LanguageProvider(datasource, { metrics: ['foo', 'bar'] });
const result = instance.provideCompletionItems({ text: 'a', prefix: 'a', wrapperClasses: [] });
expect(result.context).toBeUndefined();
expect(result.refresher).toBeUndefined();
expect(result.suggestions.length).toEqual(2);
});
it('returns default suggestions after a binary operator', () => {
const instance = new LanguageProvider(datasource, { metrics: ['foo', 'bar'] });
const result = instance.provideCompletionItems({ text: '*', prefix: '', wrapperClasses: [] });
expect(result.context).toBeUndefined();
expect(result.refresher).toBeUndefined();
expect(result.suggestions.length).toEqual(2);
});
});
describe('label suggestions', () => {
it('returns default label suggestions on label context and no metric', () => {
const instance = new LanguageProvider(datasource);
const value = Plain.deserialize('{}');
const range = value.selection.merge({
anchorOffset: 1,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.provideCompletionItems({
text: '',
prefix: '',
wrapperClasses: ['context-labels'],
value: valueWithSelection,
});
expect(result.context).toBe('context-labels');
expect(result.suggestions).toEqual([{ items: [{ label: 'job' }, { label: 'instance' }], label: 'Labels' }]);
});
it('returns label suggestions on label context and metric', () => {
const instance = new LanguageProvider(datasource, { labelKeys: { '{__name__="metric"}': ['bar'] } });
const value = Plain.deserialize('metric{}');
const range = value.selection.merge({
anchorOffset: 7,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.provideCompletionItems({
text: '',
prefix: '',
wrapperClasses: ['context-labels'],
value: valueWithSelection,
});
expect(result.context).toBe('context-labels');
expect(result.suggestions).toEqual([{ items: [{ label: 'bar' }], label: 'Labels' }]);
});
it('returns label suggestions on label context but leaves out labels that already exist', () => {
const instance = new LanguageProvider(datasource, {
labelKeys: { '{job1="foo",job2!="foo",job3=~"foo"}': ['bar', 'job1', 'job2', 'job3'] },
});
const value = Plain.deserialize('{job1="foo",job2!="foo",job3=~"foo",}');
const range = value.selection.merge({
anchorOffset: 36,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.provideCompletionItems({
text: '',
prefix: '',
wrapperClasses: ['context-labels'],
value: valueWithSelection,
});
expect(result.context).toBe('context-labels');
expect(result.suggestions).toEqual([{ items: [{ label: 'bar' }], label: 'Labels' }]);
});
it('returns label value suggestions inside a label value context after a negated matching operator', () => {
const instance = new LanguageProvider(datasource, {
labelKeys: { '{}': ['label'] },
labelValues: { '{}': { label: ['a', 'b', 'c'] } },
});
const value = Plain.deserialize('{label!=}');
const range = value.selection.merge({ anchorOffset: 8 });
const valueWithSelection = value.change().select(range).value;
const result = instance.provideCompletionItems({
text: '!=',
prefix: '',
wrapperClasses: ['context-labels'],
labelKey: 'label',
value: valueWithSelection,
});
expect(result.context).toBe('context-label-values');
expect(result.suggestions).toEqual([
{
items: [{ label: 'a' }, { label: 'b' }, { label: 'c' }],
label: 'Label values for "label"',
},
]);
});
it('returns a refresher on label context and unavailable metric', () => {
const instance = new LanguageProvider(datasource, { labelKeys: { '{__name__="foo"}': ['bar'] } });
const value = Plain.deserialize('metric{}');
const range = value.selection.merge({
anchorOffset: 7,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.provideCompletionItems({
text: '',
prefix: '',
wrapperClasses: ['context-labels'],
value: valueWithSelection,
});
expect(result.context).toBeUndefined();
expect(result.refresher).toBeInstanceOf(Promise);
expect(result.suggestions).toEqual([]);
});
it('returns label values on label context when given a metric and a label key', () => {
const instance = new LanguageProvider(datasource, {
labelKeys: { '{__name__="metric"}': ['bar'] },
labelValues: { '{__name__="metric"}': { bar: ['baz'] } },
});
const value = Plain.deserialize('metric{bar=ba}');
const range = value.selection.merge({
anchorOffset: 13,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.provideCompletionItems({
text: '=ba',
prefix: 'ba',
wrapperClasses: ['context-labels'],
labelKey: 'bar',
value: valueWithSelection,
});
expect(result.context).toBe('context-label-values');
expect(result.suggestions).toEqual([{ items: [{ label: 'baz' }], label: 'Label values for "bar"' }]);
});
it('returns label suggestions on aggregation context and metric w/ selector', () => {
const instance = new LanguageProvider(datasource, { labelKeys: { '{__name__="metric",foo="xx"}': ['bar'] } });
const value = Plain.deserialize('sum(metric{foo="xx"}) by ()');
const range = value.selection.merge({
anchorOffset: 26,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.provideCompletionItems({
text: '',
prefix: '',
wrapperClasses: ['context-aggregation'],
value: valueWithSelection,
});
expect(result.context).toBe('context-aggregation');
expect(result.suggestions).toEqual([{ items: [{ label: 'bar' }], label: 'Labels' }]);
});
it('returns label suggestions on aggregation context and metric w/o selector', () => {
const instance = new LanguageProvider(datasource, { labelKeys: { '{__name__="metric"}': ['bar'] } });
const value = Plain.deserialize('sum(metric) by ()');
const range = value.selection.merge({
anchorOffset: 16,
});
const valueWithSelection = value.change().select(range).value;
const result = instance.provideCompletionItems({
text: '',
prefix: '',
wrapperClasses: ['context-aggregation'],
value: valueWithSelection,
});
expect(result.context).toBe('context-aggregation');
expect(result.suggestions).toEqual([{ items: [{ label: 'bar' }], label: 'Labels' }]);
});
});
});
public/app/features/explore/utils/prometheus.test.ts → public/app/plugins/datasource/prometheus/specs/language_utils.test.ts
import { parseSelector } from './prometheus';
import { parseSelector } from '../language_utils';
describe('parseSelector()', () => {
let parsed;
......
public/app/types/explore.ts
import { Value } from 'slate';
export interface CompletionItem {
/**
* The label of this completion item. By default
* this is also the text that is inserted when selecting
* this completion.
*/
label: string;
/**
* The kind of this completion item. Based on the kind
* an icon is chosen by the editor.
*/
kind?: string;
/**
* A human-readable string with additional information
* about this item, like type or symbol information.
*/
detail?: string;
/**
* A human-readable string, can be Markdown, that represents a doc-comment.
*/
documentation?: string;
/**
* A string that should be used when comparing this item
* with other items. When `falsy` the `label` is used.
*/
sortText?: string;
/**
* A string that should be used when filtering a set of
* completion items. When `falsy` the `label` is used.
*/
filterText?: string;
/**
* A string or snippet that should be inserted in a document when selecting
* this completion. When `falsy` the `label` is used.
*/
insertText?: string;
/**
* Delete number of characters before the caret position,
* by default the letters from the beginning of the word.
*/
deleteBackwards?: number;
/**
* Number of steps to move after the insertion, can be negative.
*/
move?: number;
}
export interface CompletionItemGroup {
/**
* Label that will be displayed for all entries of this group.
*/
label: string;
/**
* List of suggestions of this group.
*/
items: CompletionItem[];
/**
* If true, match only by prefix (and not mid-word).
*/
prefixMatch?: boolean;
/**
* If true, do not filter items in this group based on the search.
*/
skipFilter?: boolean;
/**
* If true, do not sort items.
*/
skipSort?: boolean;
}
interface ExploreDatasource {
value: string;
label: string;
......@@ -8,6 +80,26 @@ export interface HistoryItem {
query: string;
}
export abstract class LanguageProvider {
datasource: any;
request: (url) => Promise<any>;
start: () => Promise<any>;
}
export interface TypeaheadInput {
text: string;
prefix: string;
wrapperClasses: string[];
labelKey?: string;
value?: Value;
}
export interface TypeaheadOutput {
context?: string;
refresher?: Promise<{}>;
suggestions: CompletionItemGroup[];
}
export interface Range {
from: string;
to: string;
......
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