public void SolverReturnsNullIfNoMatchFound()
{
var invalid = ChallengeSolver.SolveChallenge(new List <int> {
1, 2, 3, 4, 5, 6, 7, 8, 9
});
invalid.Should().Be(null, "The numbers are sequential, so no match should be found");
}
public void SolverAbleToMatchAtRightBoundary()
{
// Check that the algorithm works for the right-most possible match (Index 7)
var boundaryRight = ChallengeSolver.SolveChallenge(new List <int> {
1, 1, 1, 1, 1, 1, 1, 0, 7
});
boundaryRight.Should().Be(7, "7 = 7 = 1+1+1+1+1+1+1");
}
public void SolverAbleToMatchAtLeftBoundary()
{
// Check that the algorithm works for the left-most possible match (Index 1)
var boundaryLeft = ChallengeSolver.SolveChallenge(new List <int> {
7, 0, 1, 1, 1, 1, 1, 1, 1
});
boundaryLeft.Should().Be(1, "7 = 7 = 1+1+1+1+1+1+1");
}
public void SolveChallenge()
{
_driver.Url = "http:/localhost:3000";
// Click the RENDER THE CHALLENGE button
_driver.FindElement(By.CssSelector("button[data-test-id=\"render-challenge\"]")).Click();
// Wait for the challenge to exist
_driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(5);
_driver.FindElement(By.Id("home"));
_driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(0);
// Solve each Row
for (var row = 1; row < 4; row++)
{
// Build the array from the column
var arr = new List <int>();
for (var column = 0; column < 9; column++)
{
arr.Add(Convert.ToInt32(_driver.FindElement(By.CssSelector($"td[data-test-id=\"array-item-{row}-{column}\"]")).Text));
}
// Solve the puzzle
var answer = ChallengeSolver.SolveChallenge(arr);
// Verify that we got a positive result
answer.Should().NotBeNull("The center value should be found");
// Fill in the answer
_driver.FindElement(By.CssSelector($"input[data-test-id=\"submit-{row}\"]")).SendKeys(answer.ToString());
}
// Sign the test
_driver.FindElement(By.CssSelector("input[data-test-id=\"submit-4\"]")).SendKeys("Clive Galway");
// Submit
// Use XPath to find a span with the text "Submit Answers", and click it
_driver.FindElement(By.XPath("//span[contains(text(), 'Submit Answers')]")).Click();
// This could probably be improved by selecting the first found button ancestor of this node
}