import Spectre
import Stencil


func testContext() {
  describe("Context") {
    var context: Context!

    $0.before {
      context = Context(dictionary: ["name": "Kyle"])
    }

    $0.it("allows you to get a value via subscripting") {
      try expect(context["name"] as? String) == "Kyle"
    }

    $0.it("allows you to set a value via subscripting") {
      context["name"] = "Katie"

      try expect(context["name"] as? String) == "Katie"
    }

    $0.it("allows you to remove a value via subscripting") {
      context["name"] = nil

      try expect(context["name"]).to.beNil()
    }

    $0.it("allows you to retrieve a value from a parent") {
      try context.push {
        try expect(context["name"] as? String) == "Kyle"
      }
    }

    $0.it("allows you to override a parent's value") {
      try context.push {
        context["name"] = "Katie"
        try expect(context["name"] as? String) == "Katie"
      }
    }

    $0.it("allows you to pop to restore previous state") {
      context.push {
        context["name"] = "Katie"
      }

      try expect(context["name"] as? String) == "Kyle"
    }

    $0.it("allows you to push a dictionary and run a closure then restoring previous state") {
      var didRun = false

      try context.push(dictionary: ["name": "Katie"]) {
        didRun = true
        try expect(context["name"] as? String) == "Katie"
      }

      try expect(didRun).to.beTrue()
      try expect(context["name"] as? String) == "Kyle"
    }

    $0.it("allows you to flatten the context contents") {
      try context.push(dictionary: ["test": "abc"]) {
        let flattened = context.flatten()

        try expect(flattened.count) == 2
        try expect(flattened["name"] as? String) == "Kyle"
        try expect(flattened["test"] as? String) == "abc"
      }
    }
  }
}