Responses for exercises in Exercism.
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use tournament;
#[test]
fn just_the_header_if_no_input() {
let input = "";
let expected = "Team | MP | W | D | L | P";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn a_win_is_three_points_a_loss_is_zero_points() {
let input = "Allegoric Alaskans;Blithering Badgers;win";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Allegoric Alaskans | 1 | 1 | 0 | 0 | 3\n"
+ "Blithering Badgers | 1 | 0 | 0 | 1 | 0";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn a_win_can_also_be_expressed_as_a_loss() {
let input = "Blithering Badgers;Allegoric Alaskans;loss";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Allegoric Alaskans | 1 | 1 | 0 | 0 | 3\n"
+ "Blithering Badgers | 1 | 0 | 0 | 1 | 0";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn a_different_team_can_win() {
let input = "Blithering Badgers;Allegoric Alaskans;win";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Blithering Badgers | 1 | 1 | 0 | 0 | 3\n"
+ "Allegoric Alaskans | 1 | 0 | 0 | 1 | 0";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn there_can_be_more_than_one_match() {
let input = "Allegoric Alaskans;Blithering Badgers;win\n".to_string()
+ "Allegoric Alaskans;Blithering Badgers;win";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Allegoric Alaskans | 2 | 2 | 0 | 0 | 6\n"
+ "Blithering Badgers | 2 | 0 | 0 | 2 | 0";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn a_draw_is_one_point_each() {
let input = "Allegoric Alaskans;Blithering Badgers;draw\n".to_string()
+ "Allegoric Alaskans;Blithering Badgers;win";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Allegoric Alaskans | 2 | 1 | 1 | 0 | 4\n"
+ "Blithering Badgers | 2 | 0 | 1 | 1 | 1";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn there_can_be_more_than_one_winner() {
let input = "Allegoric Alaskans;Blithering Badgers;loss\n".to_string()
+ "Allegoric Alaskans;Blithering Badgers;win";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Allegoric Alaskans | 2 | 1 | 0 | 1 | 3\n"
+ "Blithering Badgers | 2 | 1 | 0 | 1 | 3";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn there_can_be_more_than_two_teams() {
let input = "Allegoric Alaskans;Blithering Badgers;win\n".to_string()
+ "Blithering Badgers;Courageous Californians;win\n"
+ "Courageous Californians;Allegoric Alaskans;loss";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Allegoric Alaskans | 2 | 2 | 0 | 0 | 6\n"
+ "Blithering Badgers | 2 | 1 | 0 | 1 | 3\n"
+ "Courageous Californians | 2 | 0 | 0 | 2 | 0";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn typical_input() {
let input = "Allegoric Alaskans;Blithering Badgers;win\n".to_string()
+ "Devastating Donkeys;Courageous Californians;draw\n"
+ "Devastating Donkeys;Allegoric Alaskans;win\n"
+ "Courageous Californians;Blithering Badgers;loss\n"
+ "Blithering Badgers;Devastating Donkeys;loss\n"
+ "Allegoric Alaskans;Courageous Californians;win";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Devastating Donkeys | 3 | 2 | 1 | 0 | 7\n"
+ "Allegoric Alaskans | 3 | 2 | 0 | 1 | 6\n"
+ "Blithering Badgers | 3 | 1 | 0 | 2 | 3\n"
+ "Courageous Californians | 3 | 0 | 1 | 2 | 1";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn incomplete_competition_not_all_pairs_have_played() {
let input = "Allegoric Alaskans;Blithering Badgers;loss\n".to_string()
+ "Devastating Donkeys;Allegoric Alaskans;loss\n"
+ "Courageous Californians;Blithering Badgers;draw\n"
+ "Allegoric Alaskans;Courageous Californians;win";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Allegoric Alaskans | 3 | 2 | 0 | 1 | 6\n"
+ "Blithering Badgers | 2 | 1 | 1 | 0 | 4\n"
+ "Courageous Californians | 2 | 0 | 1 | 1 | 1\n"
+ "Devastating Donkeys | 1 | 0 | 0 | 1 | 0";
assert_eq!(tournament::tally(&input), expected);
}
#[test]
fn ties_broken_alphabetically() {
let input = "Courageous Californians;Devastating Donkeys;win\n".to_string()
+ "Allegoric Alaskans;Blithering Badgers;win\n"
+ "Devastating Donkeys;Allegoric Alaskans;loss\n"
+ "Courageous Californians;Blithering Badgers;win\n"
+ "Blithering Badgers;Devastating Donkeys;draw\n"
+ "Allegoric Alaskans;Courageous Californians;draw";
let expected = "".to_string()
+ "Team | MP | W | D | L | P\n"
+ "Allegoric Alaskans | 3 | 2 | 1 | 0 | 7\n"
+ "Courageous Californians | 3 | 2 | 1 | 0 | 7\n"
+ "Blithering Badgers | 3 | 0 | 1 | 2 | 1\n"
+ "Devastating Donkeys | 3 | 0 | 1 | 2 | 1";
assert_eq!(tournament::tally(&input), expected);
}