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fix: Chart display fix (#5154)

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Nicholas Fitton 2022-05-07 18:12:31 +01:00 • committed by GitHub
parent 64d330a332
commit 9e8e047aae
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2 changed files with 137 additions and 7 deletions
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src/charts.test.ts Normal file
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import {
Spreadsheet,
tryParseCells,
tryParseNumber,
VALID_SPREADSHEET,
} from "./charts";
describe("charts", () => {
describe("tryParseNumber", () => {
it.each<[string, number]>([
["1", 1],
["0", 0],
["-1", -1],
["0.1", 0.1],
[".1", 0.1],
["1.", 1],
["424.", 424],
["$1", 1],
["-.1", -0.1],
["-$1", -1],
["$-1", -1],
])("should correctly identify %s as numbers", (given, expected) => {
expect(tryParseNumber(given)).toEqual(expected);
});
it.each<[string]>([["a"], ["$"], ["$a"], ["-$a"]])(
"should correctly identify %s as not a number",
(given) => {
expect(tryParseNumber(given)).toBeNull();
},
);
});
describe("tryParseCells", () => {
it("Successfully parses a spreadsheet", () => {
const spreadsheet = [
["time", "value"],
["01:00", "61"],
["02:00", "-60"],
["03:00", "85"],
["04:00", "-67"],
["05:00", "54"],
["06:00", "95"],
];
const result = tryParseCells(spreadsheet);
expect(result.type).toBe(VALID_SPREADSHEET);
const { title, labels, values } = (
result as { type: typeof VALID_SPREADSHEET; spreadsheet: Spreadsheet }
).spreadsheet;
expect(title).toEqual("value");
expect(labels).toEqual([
"01:00",
"02:00",
"03:00",
"04:00",
"05:00",
"06:00",
]);
expect(values).toEqual([61, -60, 85, -67, 54, 95]);
});
it("Uses the second column as the label if it is not a number", () => {
const spreadsheet = [
["time", "value"],
["01:00", "61"],
["02:00", "-60"],
["03:00", "85"],
["04:00", "-67"],
["05:00", "54"],
["06:00", "95"],
];
const result = tryParseCells(spreadsheet);
expect(result.type).toBe(VALID_SPREADSHEET);
const { title, labels, values } = (
result as { type: typeof VALID_SPREADSHEET; spreadsheet: Spreadsheet }
).spreadsheet;
expect(title).toEqual("value");
expect(labels).toEqual([
"01:00",
"02:00",
"03:00",
"04:00",
"05:00",
"06:00",
]);
expect(values).toEqual([61, -60, 85, -67, 54, 95]);
});
it("treats the first column as labels if both columns are numbers", () => {
const spreadsheet = [
["time", "value"],
["01", "61"],
["02", "-60"],
["03", "85"],
["04", "-67"],
["05", "54"],
["06", "95"],
];
const result = tryParseCells(spreadsheet);
expect(result.type).toBe(VALID_SPREADSHEET);
const { title, labels, values } = (
result as { type: typeof VALID_SPREADSHEET; spreadsheet: Spreadsheet }
).spreadsheet;
expect(title).toEqual("value");
expect(labels).toEqual(["01", "02", "03", "04", "05", "06"]);
expect(values).toEqual([61, -60, 85, -67, 54, 95]);
});
});
});