113 lines
2.2 KiB
JavaScript
113 lines
2.2 KiB
JavaScript
const { readFileSync } = require("../fileSystem")
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const csvParser = require("../csvParser")
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const CSV_PATH = __dirname + "/test.csv"
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const SCHEMAS = {
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VALID: {
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Age: {
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type: "number",
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},
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},
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INVALID: {
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Address: {
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type: "number",
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},
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Age: {
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type: "number",
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},
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},
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IGNORE: {
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Address: {
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type: "omit",
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},
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Age: {
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type: "omit",
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},
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Name: {
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type: "string",
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},
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},
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BROKEN: {
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Address: {
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type: "datetime",
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},
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},
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}
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describe("CSV Parser", () => {
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const csvString = readFileSync(CSV_PATH, "utf8")
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describe("parsing", () => {
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it("returns status and types for a valid CSV transformation", async () => {
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expect(await csvParser.parse(csvString, SCHEMAS.VALID)).toEqual({
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Address: {
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success: true,
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type: "string",
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},
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Age: {
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success: true,
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type: "number",
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},
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Name: {
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success: true,
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type: "string",
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},
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})
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})
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it("returns status and types for an invalid CSV transformation", async () => {
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expect(await csvParser.parse(csvString, SCHEMAS.INVALID)).toEqual({
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Address: {
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success: false,
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type: "number",
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},
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Age: {
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success: true,
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type: "number",
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},
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Name: {
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success: true,
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type: "string",
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},
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})
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})
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})
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describe("transformation", () => {
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it("transforms a CSV file into JSON", async () => {
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expect(
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await csvParser.transform({
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schema: SCHEMAS.VALID,
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csvString,
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})
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).toMatchSnapshot()
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})
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it("transforms a CSV file into JSON ignoring certain fields", async () => {
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expect(
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await csvParser.transform({
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schema: SCHEMAS.IGNORE,
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csvString,
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})
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).toEqual([
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{
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Name: "Bertå",
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},
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{
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Name: "Ernie",
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},
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{
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Name: "Big Bird",
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},
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])
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})
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it("throws an error on invalid schema", async () => {
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await expect(
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csvParser.transform({ schema: SCHEMAS.BROKEN, csvString })
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).rejects.toThrow()
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})
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})
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})
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