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How to use compute method of specs.ParameterizedExampleSpecs class

Best Spectrum code snippet using specs.ParameterizedExampleSpecs.compute

Source:ParameterizedExampleSpecs.java

...46          Variable<Number> result = new Variable<>();47          given("a calculator", () -> {48            calculator.set(new Calculator());49          });50          when("it computes the expression " + expression, () -> {51            result.set(calculator.get().compute(expression));52          });53          then("the result is " + expectedResult, () -> {54            assertThat(result.get(), is(expectedResult));55          });56        },57        withExamples(58            example("1 + 1", 2),59            example("5 * 9", 45),60            example("7 / 2", 3.5)));61    scenarioOutline("different types of parameters",62        (foo, bar, baz) -> {63          given("foo is " + foo, () -> {64          });65          and("bar is " + bar, () -> {66          });67          and("baz is " + baz, () -> {68          });69          when("something happens", () -> {70          });71          then("it works", () -> {72          });73        },74        withExamples(75            example(1, "boo", 3.14),76            example(1, "yay", 4.2))77    );78    scenarioOutline("with two parameters, just to see",79        (foo, bar) -> {80          given("blah " + foo, () -> {81          });82          when(bar + " - blerg", () -> {83          });84          then("something", () -> {85          });86        },87        withExamples(88            example("hey", 3.14),89            example("hi", 6.2),90            example("bye", -1.5))91    );92  }93  // dummy class under test94  static class CukeEater {95    private int amount;96    public CukeEater(int amount) {97      this.amount = amount;98    }99    public int remainingCucumbers() {100      return this.amount;101    }102    public void eatCucumbers(int number) {103      this.amount -= number;104    }105  }106  // another dummy class under test107  static class Calculator {108    private final ScriptEngine engine;109    public Calculator() {110      this.engine = new ScriptEngineManager().getEngineByName("nashorn");111    }112    public Number compute(String expression) throws Exception {113      return (Number) this.engine.eval(expression);114    }115  }116}...

compute

Using AI Code Generation

1import org.specs2.specification.dsl.mutable._2class ParameterizedExampleSpecs extends mutable.Specification {3  "This is a specification to check the 'compute' method" >> {4    "The 'compute' method should" >> {5      "return 0 if the argument is 0" >> {6        (n: Int) => compute(n) must_== 07      }8      "return 1 if the argument is 1" >> {9        (n: Int) => compute(n) must_== 110      }11      "return 2 if the argument is 2" >> {12        (n: Int) => compute(n) must_== 213      }14    }15  }16  def compute(n: Int) = n17}18import org.specs2.specification.dsl.mutable._19class ParameterizedExampleSpecs extends mutable.Specification {20  "This is a specification to check the 'compute' method" >> {21    "The 'compute' method should" >> {22      "return 0 if the argument is 0" >> {23        (n: Int) => compute(n) must_== 024      }25      "return 1 if the argument is 1" >> {26        (n: Int) => compute(n) must_== 127      }28      "return 2 if the argument is 2" >> {29        (n: Int) => compute(n) must_== 230      }31    }32  }33  def compute(n: Int) = n34}35import org.specs2.specification.dsl.mutable._36class ParameterizedExampleSpecs extends mutable.Specification {37  "This is a specification to check the 'compute' method" >> {38    "The 'compute' method should" >> {39      "return 0 if the argument is 0" >> {40        (n: Int) => compute(n) must_== 041      }42      "return 1 if the argument is 1" >> {43        (n: Int) => compute(n) must_== 144      }45      "return 2 if the argument is 2" >> {46        (n: Int) => compute(n) must_== 247      }48    }49  }

compute

Using AI Code Generation

1val examples = ParameterizedExampleSpecs.compute(2examples.foreach { case (method, op, tpe) =>3  s"$method with $op and $tpe" should {4    "work" in {5    }6  }7}

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