@netdata/charts
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Netdata frontend SDK and chart utilities
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JavaScript
;
var _react = require("@testing-library/react");
var _testUtilities = require("@jest/testUtilities");
var _selectors = require("./selectors");
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describe("Chart Provider Selectors", function () {
describe("useChart", function () {
it("returns chart from context", function () {
var _renderHookWithChart = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useChart)();
}),
result = _renderHookWithChart.result,
chart = _renderHookWithChart.chart;
expect(result.current).toBe(chart);
expect(_typeof(result.current.getId)).toBe("function");
});
});
describe("useForceUpdate", function () {
it("returns function that triggers re-render", function () {
var _renderHook = (0, _react.renderHook)(function () {
return (0, _selectors.useForceUpdate)();
}),
result = _renderHook.result;
expect(_typeof(result.current)).toBe("function");
});
it("increments counter when called", /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2() {
var renderCount, _renderHook2, result, initialRenderCount;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
renderCount = 0;
_renderHook2 = (0, _react.renderHook)(function () {
renderCount++;
return (0, _selectors.useForceUpdate)();
}), result = _renderHook2.result;
initialRenderCount = renderCount;
_context2.next = 5;
return (0, _react.act)(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
result.current();
case 1:
case "end":
return _context.stop();
}
}, _callee);
})));
case 5:
expect(renderCount).toBeGreaterThan(initialRenderCount);
case 6:
case "end":
return _context2.stop();
}
}, _callee2);
})));
});
describe("useAttributeValue", function () {
it("returns attribute value from chart", function () {
var _renderHookWithChart2 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useAttributeValue)("sparkline");
}, {
attributes: {
sparkline: true
}
}),
result = _renderHookWithChart2.result;
expect(result.current).toBe(true);
});
it("returns default value when attribute is undefined", function () {
var _renderHookWithChart3 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useAttributeValue)("nonexistent", "default");
}),
result = _renderHookWithChart3.result;
expect(result.current).toBe("default");
});
it("supports nested attributes with fallback values", function () {
var _renderHookWithChart4 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useAttributeValue)("drawer.showAdvancedStats", false);
}, {
attributes: {
drawer: {
showAdvancedStats: true
}
}
}),
result = _renderHookWithChart4.result;
expect(result.current).toBe(true);
});
it("returns fallback for nested attributes when parent missing", function () {
var _renderHookWithChart5 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useAttributeValue)("drawer.showAdvancedStats", false);
}),
result = _renderHookWithChart5.result;
expect(result.current).toBe(false);
});
});
describe("useEmpty", function () {
it("returns true when chart data is empty", function () {
var _renderHookWithChart6 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useEmpty)();
}, {
mockData: {
result: {
data: []
}
}
}),
result = _renderHookWithChart6.result;
expect(result.current).toBe(true);
});
it("returns false when chart has data", /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4() {
var _renderHookWithChart7, result, chart;
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
_renderHookWithChart7 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useEmpty)();
}), result = _renderHookWithChart7.result, chart = _renderHookWithChart7.chart;
_context4.next = 3;
return (0, _react.act)(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3() {
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
chart.fetch();
_context3.next = 3;
return new Promise(function (resolve) {
return setTimeout(resolve, 50);
});
case 3:
case "end":
return _context3.stop();
}
}, _callee3);
})));
case 3:
expect(result.current).toBe(false);
case 4:
case "end":
return _context4.stop();
}
}, _callee4);
})));
});
describe("useTitle", function () {
it("returns title from chart attributes", function () {
var _renderHookWithChart8 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useTitle)();
}, {
attributes: {
title: "Test Chart Title",
contextScope: ["system.cpu"]
}
}),
result = _renderHookWithChart8.result;
expect(result.current).toBe("Test Chart Title");
});
});
describe("useName", function () {
it("returns name from chart attributes", function () {
var _renderHookWithChart9 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useName)();
}, {
attributes: {
name: "Test Chart Name",
contextScope: ["system.cpu"]
}
}),
result = _renderHookWithChart9.result;
expect(result.current).toBe("Test Chart Name");
});
it("returns contextScope when no name provided", function () {
var _renderHookWithChart10 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useName)();
}, {
attributes: {
contextScope: ["system.cpu", "system.memory"]
}
}),
result = _renderHookWithChart10.result;
expect(result.current).toBe("system.cpu, system.memory");
});
});
describe("useIsMinimal", function () {
it("returns true when design flavour is minimal", function () {
var _renderHookWithChart11 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useIsMinimal)();
}, {
attributes: {
designFlavour: "minimal"
}
}),
result = _renderHookWithChart11.result;
expect(result.current).toBe(true);
});
it("returns false when design flavour is not minimal", function () {
var _renderHookWithChart12 = (0, _testUtilities.renderHookWithChart)(function () {
return (0, _selectors.useIsMinimal)();
}, {
attributes: {
designFlavour: "default"
}
}),
result = _renderHookWithChart12.result;
expect(result.current).toBe(false);
});
});
describe("getValueByPeriod", function () {
var chart;
var mockData = [[1617946860000, 25, 50, 75], [1617946920000, 30, 55, 70], [1617946980000, 20, 45, 80], [1617947040000, 35, 60, 65]];
beforeEach(function () {
var _makeTestChart = (0, _testUtilities.makeTestChart)(),
testChart = _makeTestChart.chart;
chart = testChart;
jest.spyOn(chart, "getPayload").mockReturnValue({
data: mockData
});
jest.spyOn(chart, "getDimensionIndex").mockReturnValue(0);
jest.spyOn(chart, "isDimensionVisible").mockReturnValue(true);
jest.spyOn(chart, "getVisibleDimensionIds").mockReturnValue(["dim1"]);
});
describe("highlight period", function () {
it("returns null when no highlight range is set", function () {
chart.updateAttribute("overlays", {});
var result = _selectors.getValueByPeriod.highlight({
chart: chart,
id: "dim1",
valueKey: "avg"
});
expect(result).toBeNull();
});
it("filters data by highlight range and calculates min value", function () {
var highlightRange = [1617946920, 1617946980];
chart.updateAttribute("overlays", {
highlight: {
range: highlightRange
}
});
var result = _selectors.getValueByPeriod.highlight({
chart: chart,
id: "dim1",
valueKey: "min"
});
expect(result).toBe(20);
});
it("filters data by highlight range and calculates avg value", function () {
var highlightRange = [1617946920, 1617946980];
chart.updateAttribute("overlays", {
highlight: {
range: highlightRange
}
});
var result = _selectors.getValueByPeriod.highlight({
chart: chart,
id: "dim1",
valueKey: "avg"
});
expect(result).toBe(25);
});
it("filters data by highlight range and calculates max value", function () {
var highlightRange = [1617946920, 1617946980];
chart.updateAttribute("overlays", {
highlight: {
range: highlightRange
}
});
var result = _selectors.getValueByPeriod.highlight({
chart: chart,
id: "dim1",
valueKey: "max"
});
expect(result).toBe(30);
});
it("returns null when no data matches highlight range", function () {
var highlightRange = [1617900000, 1617900060];
chart.updateAttribute("overlays", {
highlight: {
range: highlightRange
}
});
var result = _selectors.getValueByPeriod.highlight({
chart: chart,
id: "dim1",
valueKey: "avg"
});
expect(result).toBeNull();
});
it("handles dimension not visible by using first visible dimension", function () {
jest.spyOn(chart, "isDimensionVisible").mockReturnValue(false);
jest.spyOn(chart, "getVisibleDimensionIds").mockReturnValue(["visibleDim"]);
jest.spyOn(chart, "getDimensionIndex").mockReturnValue(1);
var highlightRange = [1617946860, 1617947040];
chart.updateAttribute("overlays", {
highlight: {
range: highlightRange
}
});
var result = _selectors.getValueByPeriod.highlight({
chart: chart,
id: "hiddenDim",
valueKey: "avg"
});
expect(result).toBe(52.5);
});
});
});
});