@netdata/charts
Version:
Netdata frontend SDK and chart utilities
297 lines • 12.5 kB
JavaScript
function _regenerator() { /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/babel/babel/blob/main/packages/babel-helpers/LICENSE */ var e, t, r = "function" == typeof Symbol ? Symbol : {}, n = r.iterator || "@@iterator", o = r.toStringTag || "@@toStringTag"; function i(r, n, o, i) { var c = n && n.prototype instanceof Generator ? n : Generator, u = Object.create(c.prototype); return _regeneratorDefine2(u, "_invoke", function (r, n, o) { var i, c, u, f = 0, p = o || [], y = !1, G = { p: 0, n: 0, v: e, a: d, f: d.bind(e, 4), d: function d(t, r) { return i = t, c = 0, u = e, G.n = r, a; } }; function d(r, n) { for (c = r, u = n, t = 0; !y && f && !o && t < p.length; t++) { var o, i = p[t], d = G.p, l = i[2]; r > 3 ? (o = l === n) && (u = i[(c = i[4]) ? 5 : (c = 3, 3)], i[4] = i[5] = e) : i[0] <= d && ((o = r < 2 && d < i[1]) ? (c = 0, G.v = n, G.n = i[1]) : d < l && (o = r < 3 || i[0] > n || n > l) && (i[4] = r, i[5] = n, G.n = l, c = 0)); } if (o || r > 1) return a; throw y = !0, n; } return function (o, p, l) { if (f > 1) throw TypeError("Generator is already running"); for (y && 1 === p && d(p, l), c = p, u = l; (t = c < 2 ? e : u) || !y;) { i || (c ? c < 3 ? (c > 1 && (G.n = -1), d(c, u)) : G.n = u : G.v = u); try { if (f = 2, i) { if (c || (o = "next"), t = i[o]) { if (!(t = t.call(i, u))) throw TypeError("iterator result is not an object"); if (!t.done) return t; u = t.value, c < 2 && (c = 0); } else 1 === c && (t = i["return"]) && t.call(i), c < 2 && (u = TypeError("The iterator does not provide a '" + o + "' method"), c = 1); i = e; } else if ((t = (y = G.n < 0) ? u : r.call(n, G)) !== a) break; } catch (t) { i = e, c = 1, u = t; } finally { f = 1; } } return { value: t, done: y }; }; }(r, o, i), !0), u; } var a = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} t = Object.getPrototypeOf; var c = [][n] ? t(t([][n]())) : (_regeneratorDefine2(t = {}, n, function () { return this; }), t), u = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(c); function f(e) { return Object.setPrototypeOf ? Object.setPrototypeOf(e, GeneratorFunctionPrototype) : (e.__proto__ = GeneratorFunctionPrototype, _regeneratorDefine2(e, o, "GeneratorFunction")), e.prototype = Object.create(u), e; } return GeneratorFunction.prototype = GeneratorFunctionPrototype, _regeneratorDefine2(u, "constructor", GeneratorFunctionPrototype), _regeneratorDefine2(GeneratorFunctionPrototype, "constructor", GeneratorFunction), GeneratorFunction.displayName = "GeneratorFunction", _regeneratorDefine2(GeneratorFunctionPrototype, o, "GeneratorFunction"), _regeneratorDefine2(u), _regeneratorDefine2(u, o, "Generator"), _regeneratorDefine2(u, n, function () { return this; }), _regeneratorDefine2(u, "toString", function () { return "[object Generator]"; }), (_regenerator = function _regenerator() { return { w: i, m: f }; })(); }
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import React from "react";
import { act, renderHook, waitFor } from "@testing-library/react";
import useData from "./useData";
import { makeTestChart } from "@jest/testUtilities";
import ChartProvider from "../../provider";
import { jsx as _jsx } from "react/jsx-runtime";
var periods = [{
id: "selected",
label: "Selected timeframe",
after: 1000,
before: 2000,
isBase: true,
payload: {
data: [[1, 50]],
labels: ["time", "cpu"]
}
}, {
id: "24h",
label: "24 hours before",
after: 1000 - 86400,
before: 2000 - 86400,
payload: {
data: [[1, 45]],
labels: ["time", "cpu"]
}
}];
var makeRawPayload = function makeRawPayload() {
return {
result: {
labels: ["time", "cpu"],
point: {
value: 0
},
data: [[1000, [50]]]
},
view: {
update_every: 5
}
};
};
var loadChart = function loadChart(chart) {
return new Promise(function (resolve) {
var unsubscribe = chart.on("successFetch", function () {
unsubscribe();
resolve();
});
chart.fetch();
});
};
describe("useData", function () {
var chart;
var wrapper;
beforeEach(function () {
chart = makeTestChart({
attributes: {
after: 1000,
before: 2000,
drawer: {
action: "values"
},
comparePeriods: periods,
compareLoading: false,
compareError: null
}
}).chart;
wrapper = function wrapper(_ref) {
var children = _ref.children;
return /*#__PURE__*/_jsx(ChartProvider, {
chart: chart,
children: children
});
};
});
it("returns comparison statistics from chart attributes", function () {
var _renderHook = renderHook(function () {
return useData();
}, {
wrapper: wrapper
}),
result = _renderHook.result;
expect(result.current.periods).toHaveLength(2);
expect(result.current.periods[0]).toMatchObject({
id: "selected",
isBase: true,
stats: {
min: 50,
avg: 50,
max: 50,
points: 1,
dimensions: 1
}
});
expect(result.current.periods[1]).toMatchObject({
id: "24h",
stats: {
min: 45,
avg: 45,
max: 45,
points: 1,
dimensions: 1
},
changes: {
avg: {
direction: "down",
value: 10,
formatted: "10.0%"
}
}
});
expect(result.current.loading).toBe(false);
expect(result.current.error).toBeNull();
});
it("returns loading and error state from chart attributes", function () {
chart.updateAttributes({
compareLoading: true,
compareError: "Network error"
});
var _renderHook2 = renderHook(function () {
return useData();
}, {
wrapper: wrapper
}),
result = _renderHook2.result;
expect(result.current.loading).toBe(true);
expect(result.current.error).toBe("Network error");
});
it("does not request comparisons before the initial main-chart success", /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee() {
var getChart, calls;
return _regenerator().w(function (_context) {
while (1) switch (_context.n) {
case 0:
chart.updateAttribute("drawer.action", "compare");
getChart = chart.getChart;
calls = 0;
chart.getChart = function () {
calls++;
return getChart.apply(void 0, arguments);
};
renderHook(function () {
return useData();
}, {
wrapper: wrapper
});
_context.n = 1;
return new Promise(function (resolve) {
return setTimeout(resolve, 10);
});
case 1:
expect(calls).toBe(0);
_context.n = 2;
return act(function () {
return loadChart(chart);
});
case 2:
_context.n = 3;
return waitFor(function () {
return expect(calls).toBe(2);
});
case 3:
return _context.a(2);
}
}, _callee);
})));
it("loads only historical periods when Compare opens on a loaded chart", /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee2() {
var getChart, calls;
return _regenerator().w(function (_context2) {
while (1) switch (_context2.n) {
case 0:
_context2.n = 1;
return loadChart(chart);
case 1:
chart.updateAttribute("drawer.action", "compare");
getChart = chart.getChart;
calls = 0;
chart.getChart = function () {
calls++;
return getChart.apply(void 0, arguments);
};
renderHook(function () {
return useData();
}, {
wrapper: wrapper
});
_context2.n = 2;
return waitFor(function () {
return expect(chart.getAttribute("comparePeriods")).toHaveLength(3);
});
case 2:
expect(calls).toBe(2);
expect(chart.getAttribute("comparePeriods")[0].payload.data).toBe(chart.getPayload().data);
case 3:
return _context2.a(2);
}
}, _callee2);
})));
it("does not load comparison data for another drawer action", /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee3() {
return _regenerator().w(function (_context3) {
while (1) switch (_context3.n) {
case 0:
chart.updateAttribute("comparePeriods", []);
renderHook(function () {
return useData();
}, {
wrapper: wrapper
});
_context3.n = 1;
return new Promise(function (resolve) {
return setTimeout(resolve, 10);
});
case 1:
expect(chart.getAttribute("comparePeriods")).toEqual([]);
case 2:
return _context3.a(2);
}
}, _callee3);
})));
it("keeps a shared request alive when one hook consumer unmounts", /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee4() {
var resolvers, calls, aborts, first, second;
return _regenerator().w(function (_context4) {
while (1) switch (_context4.n) {
case 0:
_context4.n = 1;
return loadChart(chart);
case 1:
chart.updateAttribute("drawer.action", "compare");
resolvers = [];
calls = 0;
aborts = 0;
chart.getChart = function (requestChart, _ref6) {
var signal = _ref6.signal;
return new Promise(function (resolve, reject) {
if (requestChart !== chart) throw new Error("Unexpected comparison chart");
calls++;
signal.addEventListener("abort", function () {
aborts++;
var error = new Error("Aborted");
error.name = "AbortError";
reject(error);
});
resolvers.push(resolve);
});
};
first = renderHook(function () {
return useData();
}, {
wrapper: wrapper
});
second = renderHook(function () {
return useData();
}, {
wrapper: wrapper
});
_context4.n = 2;
return waitFor(function () {
return expect(calls).toBe(2);
});
case 2:
first.unmount();
expect(aborts).toBe(0);
resolvers.forEach(function (resolve) {
return resolve(makeRawPayload());
});
_context4.n = 3;
return waitFor(function () {
return expect(chart.getAttribute("comparePeriods")).toHaveLength(3);
});
case 3:
expect(aborts).toBe(0);
second.unmount();
case 4:
return _context4.a(2);
}
}, _callee4);
})));
it("recalculates statistics for the selected area without fetching", function () {
chart.updateAttribute("overlays", {
highlight: {
range: [10, 20]
}
});
var _renderHook3 = renderHook(function () {
return useData();
}, {
wrapper: wrapper
}),
result = _renderHook3.result;
expect(result.current.periods[0].stats.points).toBe(1);
act(function () {
return chart.updateAttribute("drawer.tab", "selectedArea");
});
expect(result.current.periods[0].stats).toBeNull();
});
});