rs-toolchain/__tests__/args.test.ts

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import { getToolchainArgs } from "../src/args";
import { morph } from "mock-env";
import { sync as tempWriteSync } from "temp-write";
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describe("actions-rs/toolchain", () => {
it("Parses action input into toolchain options", () => {
const args = morph(
() => {
return getToolchainArgs("./rust-toolchain");
},
{
INPUT_TOOLCHAIN: "nightly-2019-04-20",
INPUT_DEFAULT: "false",
INPUT_OVERRIDE: "true",
}
);
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expect(args.name).toBe("nightly-2019-04-20");
expect(args.default).toBe(false);
expect(args.override).toBe(true);
});
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it("uses input variable if rust-toolchain file does not exist", function () {
const args = morph(
() => {
return getToolchainArgs("./rust-toolchain");
},
{
INPUT_TOOLCHAIN: "nightly",
}
);
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expect(args.name).toBe("nightly");
});
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it("toolchain input is required if rust-toolchain does not exist", function () {
expect(() => getToolchainArgs("./rust-toolchain")).toThrowError();
});
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it("prioritizes rust-toolchain file over input variable", function () {
const rustToolchainFile = tempWriteSync("1.39.0");
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const args = morph(
() => {
return getToolchainArgs(rustToolchainFile);
},
{
INPUT_TOOLCHAIN: "nightly",
}
);
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expect(args.name).toBe("nightly");
});
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it("uses rust-toolchain file if input does not exist", function () {
const rustToolchainFile = tempWriteSync("1.39.0");
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const args = morph(() => {
return getToolchainArgs(rustToolchainFile);
}, {});
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expect(args.name).toBe("1.39.0");
});
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it("trims content of the override file", function () {
const rustToolchainFile = tempWriteSync("\n 1.39.0\n\n\n\n");
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const args = morph(() => {
return getToolchainArgs(rustToolchainFile);
}, {});
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expect(args.name).toBe("1.39.0");
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});
});