tracks/javascript/exercises/etl/README.md in trackler-2.2.1.94 vs tracks/javascript/exercises/etl/README.md in trackler-2.2.1.95

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+ new

@@ -1,18 +1,20 @@ -# Etl +# ETL We are going to do the `Transform` step of an Extract-Transform-Load. ### ETL + Extract-Transform-Load (ETL) is a fancy way of saying, "We have some crufty, legacy data over in this system, and now we need it in this shiny new system over here, so we're going to migrate this." (Typically, this is followed by, "We're only going to need to run this once." That's then typically followed by much forehead slapping and moaning about how stupid we could possibly be.) ### The goal + We're going to extract some scrabble scores from a legacy system. The old system stored a list of letters per score: - 1 point: "A", "E", "I", "O", "U", "L", "N", "R", "S", "T", @@ -44,29 +46,32 @@ example, an "E" is scored at 2 in the Māori-language version of the game while being scored at 4 in the Hawaiian-language version. ## Setup -Go through the setup instructions for JavaScript to -install the necessary dependencies: +Go through the setup instructions for JavaScript to install the + necessary dependencies: http://exercism.io/languages/javascript/installation -## Making the Test Suite Pass +## Running the test suite -Execute the tests with: +The provided test suite uses [Jasmine](https://jasmine.github.io/). +You can install it by opening a terminal window and running the +following command: - jasmine <exercise-name>.spec.js +```sh +npm install -g jasmine +``` -Replace `<exercise-name>` with the name of the current exercise. E.g., to -test the Hello World exercise: +Run the test suite from the exercise directory with: - jasmine hello-world.spec.js +```sh +jasmine etl.spec.js +``` -In many test suites all but the first test have been skipped. - -Once you get a test passing, you can unskip the next one by -changing `xit` to `it`. +In many test suites all but the first test have been marked "pending". +Once you get a test passing, activate the next one by changing `xit` to `it`. ## Source The Jumpstart Lab team [http://jumpstartlab.com](http://jumpstartlab.com)