public void WithPriceMatching_should_pass_when_using_standard_regex_features(string itemPrice, string regex)
{
var receiptItem = new ReceiptItem(price: itemPrice);
var sut = new ReceiptItemAssertions(receiptItem);
Action act = () => sut.PriceMatching(regex);
act.ShouldNotThrow <Exception>();
}
public void WithPriceMatching_should_throw_ReceiptItemAssertionFailedException_for_non_matching_regexes(string itemPrice, string regex)
{
var receiptItem = new ReceiptItem(price: itemPrice);
var sut = new ReceiptItemAssertions(receiptItem);
Action act = () => sut.PriceMatching(regex);
act.ShouldThrow <ReceiptItemAssertionFailedException>();
}
public void WithPriceMatching_should_pass_if_regex_exactly_matches_message_Price(string itemPriceAndRegex)
{
var receiptItem = new ReceiptItem(price: itemPriceAndRegex);
var sut = new ReceiptItemAssertions(receiptItem);
Action act = () => sut.PriceMatching(itemPriceAndRegex);
act.ShouldNotThrow <Exception>();
}
public void WithPriceMatching_should_pass_regardless_of_case(string itemPrice, string regex)
{
var receiptItem = new ReceiptItem(price: itemPrice);
var sut = new ReceiptItemAssertions(receiptItem);
Action act = () => sut.PriceMatching(regex);
act.ShouldNotThrow <Exception>();
}
public void WithPriceMatching_should_throw_ArgumentNullException_if_regex_is_null()
{
var item = new ReceiptItem();
var sut = new ReceiptItemAssertions(item);
Action act = () => sut.PriceMatching(null);
act.ShouldThrow <ArgumentNullException>();
}
public void WithPriceMatching_should_throw_ReceiptItemAssertionFailedException_when_price_is_null()
{
var item = new ReceiptItem();
var sut = new ReceiptItemAssertions(item);
Action act = () => sut.PriceMatching("anything");
act.ShouldThrow <ReceiptItemAssertionFailedException>();
}
public void WithPriceMatching_should_throw_ReceiptItemAssertionFailedException_when_trying_to_capture_groups_but_price_is_null()
{
IList <string> matches;
var item = new ReceiptItem();
var sut = new ReceiptItemAssertions(item);
Action act = () => sut.PriceMatching("anything", "(.*)", out matches);
act.ShouldThrow <ReceiptItemAssertionFailedException>();
}
public void WithPriceMatching_should_not_output_matches_when_groupMatchingRegex_does_not_match_price()
{
IList <string> matches;
var receiptItem = new ReceiptItem(price: "some text");
var sut = new ReceiptItemAssertions(receiptItem);
sut.PriceMatching("some text", "(non matching)", out matches);
matches.Should().BeNull();
}
public void WithPriceMatching_should_throw_ArgumentNullException_if_groupMatchRegex_is_null()
{
IList <string> matches;
var item = new ReceiptItem();
var sut = new ReceiptItemAssertions(item);
Action act = () => sut.PriceMatching("(.*)", null, out matches);
act.ShouldThrow <ArgumentNullException>();
}
public void WithPriceMatching_should_output_matches_when_groupMatchingRegex_matches_price()
{
IList <string> matches;
const string somePrice = "some text";
var receiptItem = new ReceiptItem(price: somePrice);
var sut = new ReceiptItemAssertions(receiptItem);
sut.PriceMatching(somePrice, $"({somePrice})", out matches);
matches.First().Should().Be(somePrice);
}
public void WithPriceMatching_should_not_output_matches_when_regex_does_not_match_price()
{
IList <string> matches = null;
var receiptItem = new ReceiptItem(price: "some text");
var sut = new ReceiptItemAssertions(receiptItem);
Action act = () => sut.PriceMatching("non matching regex", "(some text)", out matches);
act.ShouldThrow <ReceiptItemAssertionFailedException>();
matches.Should().BeNull();
}
public void WithPriceMatching_should_output_multiple_matches_when_groupMatchingRegex_matches_price_several_times()
{
IList <string> matches;
const string somePrice = "some text";
var receiptItem = new ReceiptItem(price: somePrice);
var sut = new ReceiptItemAssertions(receiptItem);
const string match1 = "some";
const string match2 = "text";
sut.PriceMatching(somePrice, $"({match1}) ({match2})", out matches);
matches.Should().Contain(match1, match2);
}