75 lines
2 KiB
Rust
75 lines
2 KiB
Rust
use proverb::*;
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#[test]
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fn zero_pieces() {
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let input = &[];
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let output = build_proverb(input);
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let expected = String::new();
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assert_eq!(output, expected);
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}
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#[test]
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fn one_piece() {
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let input = &["nail"];
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let output = build_proverb(input);
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let expected: String = ["And all for the want of a nail."].join("\n");
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assert_eq!(output, expected);
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}
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#[test]
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fn two_pieces() {
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let input = &["nail", "shoe"];
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let output = build_proverb(input);
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let expected: String = [
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"For want of a nail the shoe was lost.",
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"And all for the want of a nail.",
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]
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.join("\n");
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assert_eq!(output, expected);
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}
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#[test]
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fn three_pieces() {
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let input = &["nail", "shoe", "horse"];
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let output = build_proverb(input);
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let expected: String = [
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"For want of a nail the shoe was lost.",
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"For want of a shoe the horse was lost.",
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"And all for the want of a nail.",
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]
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.join("\n");
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assert_eq!(output, expected);
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}
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#[test]
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fn full_proverb() {
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let input = &[
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"nail", "shoe", "horse", "rider", "message", "battle", "kingdom",
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];
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let output = build_proverb(input);
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let expected: String = [
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"For want of a nail the shoe was lost.",
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"For want of a shoe the horse was lost.",
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"For want of a horse the rider was lost.",
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"For want of a rider the message was lost.",
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"For want of a message the battle was lost.",
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"For want of a battle the kingdom was lost.",
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"And all for the want of a nail.",
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]
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.join("\n");
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assert_eq!(output, expected);
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}
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#[test]
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fn four_pieces_modernized() {
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let input = &["pin", "gun", "soldier", "battle"];
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let output = build_proverb(input);
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let expected: String = [
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"For want of a pin the gun was lost.",
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"For want of a gun the soldier was lost.",
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"For want of a soldier the battle was lost.",
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"And all for the want of a pin.",
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]
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.join("\n");
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assert_eq!(output, expected);
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}
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