This commit is contained in:
Andrew Kingston 2020-10-20 12:52:55 +01:00
parent b49e49ba36
commit 37553ef80d
1 changed files with 30 additions and 29 deletions

View File

@ -1,6 +1,7 @@
const csvParser = require("../csvParser");
const fs = require("fs")
const csvParser = require("../csvParser")
const CSV_PATH = __dirname + "/test.csv";
const CSV_PATH = __dirname + "/test.csv"
const SCHEMAS = {
VALID: {
@ -27,16 +28,16 @@ const SCHEMAS = {
BROKEN: {
Address: {
type: "datetime",
}
},
};
},
}
describe("CSV Parser", () => {
const csvString = fs.readFileSync(CSV_PATH, "utf8")
describe("parsing", () => {
it("returns status and types for a valid CSV transformation", async () => {
expect(
await csvParser.parse(CSV_PATH, SCHEMAS.VALID)
).toEqual({
expect(await csvParser.parse(csvString, SCHEMAS.VALID)).toEqual({
Address: {
success: true,
type: "string",
@ -49,13 +50,11 @@ describe("CSV Parser", () => {
success: true,
type: "string",
},
});
});
})
})
it("returns status and types for an invalid CSV transformation", async () => {
expect(
await csvParser.parse(CSV_PATH, SCHEMAS.INVALID)
).toEqual({
expect(await csvParser.parse(csvString, SCHEMAS.INVALID)).toEqual({
Address: {
success: false,
type: "number",
@ -68,41 +67,43 @@ describe("CSV Parser", () => {
success: true,
type: "string",
},
});
});
});
})
})
})
describe("transformation", () => {
it("transforms a CSV file into JSON", async () => {
expect(
await csvParser.transform({
schema: SCHEMAS.VALID,
path: CSV_PATH,
csvString,
})
).toMatchSnapshot()
})
).toMatchSnapshot();
});
it("transforms a CSV file into JSON ignoring certain fields", async () => {
expect(
await csvParser.transform({
schema: SCHEMAS.IGNORE,
path: CSV_PATH,
csvString,
})
).toEqual([
{
Name: "Bert"
Name: "Bert",
},
{
Name: "Ernie"
Name: "Ernie",
},
{
Name: "Big Bird"
}
]);
});
Name: "Big Bird",
},
])
})
it("throws an error on invalid schema", async () => {
await expect(csvParser.transform({ schema: SCHEMAS.BROKEN, path: CSV_PATH })).rejects.toThrow()
});
});
});
await expect(
csvParser.transform({ schema: SCHEMAS.BROKEN, csvString })
).rejects.toThrow()
})
})
})