import { getReactNativeVersionWithModules } from "./getReactNativeVersionWithModules"

describe("getReactNativeVersion", () => {
  it("should return null if platform constants is null", () => {
    const result = getReactNativeVersionWithModules({})

    expect(result).toBe(null)
  })

  it("should return null if there is no reactNativeVersion on platform constants", () => {
    const result = getReactNativeVersionWithModules({ PlatformConstants: {} })

    expect(result).toBe(null)
  })

  it("should return null if the major version is not a number", () => {
    const result = getReactNativeVersionWithModules({
      PlatformConstants: { reactNativeVersion: { major: "Hello" } },
    })

    expect(result).toBe(null)
  })

  it("should return a version", () => {
    const result = getReactNativeVersionWithModules({
      PlatformConstants: { reactNativeVersion: { major: 0, minor: 59, patch: 8, prerelease: 5 } },
    })

    expect(result).toEqual("0.59.8-5")
  })
})