Dima Kudosh
113 lines
3.0 KiB
Rust
113 lines
3.0 KiB
Rust
extern crate difflib;
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use difflib::sequencematcher::{SequenceMatcher, Match, Opcode};
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use difflib::differ::Differ;
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#[test]
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fn test_longest_match()
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{
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let matcher = SequenceMatcher::new(" abcd", "abcd abcd");
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let m = matcher.find_longest_match(0, 5, 0, 9);
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assert_eq!(m.first_start, 0);
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assert_eq!(m.second_start, 4);
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assert_eq!(m.size, 5);
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}
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#[test]
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fn test_all_matches()
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{
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let mut matcher = SequenceMatcher::new("abxcd", "abcd");
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let result = matcher.get_matching_blocks();
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let mut expected_result = Vec::new();
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expected_result.push(Match{
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first_start: 0,
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second_start: 0,
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size: 2
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});
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expected_result.push(Match{
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first_start: 3,
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second_start: 2,
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size: 2
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});
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expected_result.push(Match{
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first_start: 5,
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second_start: 4,
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size: 0
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});
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assert_eq!(result, expected_result);
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}
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#[test]
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fn test_get_opcodes() {
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let mut matcher = SequenceMatcher::new("qabxcd", "abycdf");
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let result = matcher.get_opcodes();
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let mut expected_result = Vec::new();
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expected_result.push(Opcode{
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tag: "delete".to_string(),
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first_start: 0,
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first_end: 1,
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second_start: 0,
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second_end: 0
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});
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expected_result.push(Opcode{
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tag: "equal".to_string(),
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first_start: 1,
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first_end: 3,
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second_start: 0,
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second_end: 2
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});
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expected_result.push(Opcode{
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tag: "replace".to_string(),
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first_start: 3,
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first_end: 4,
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second_start: 2,
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second_end: 3
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});
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expected_result.push(Opcode{
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tag: "equal".to_string(),
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first_start: 4,
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first_end: 6,
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second_start: 3,
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second_end: 5
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});
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expected_result.push(Opcode{
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tag: "insert".to_string(),
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first_start: 6,
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first_end: 6,
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second_start: 5,
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second_end: 6
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});
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assert_eq!(result, expected_result);
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}
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#[test]
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fn test_ratio() {
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let mut matcher = SequenceMatcher::new("abcd", "bcde");
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assert_eq!(matcher.ratio(), 0.75);
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}
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#[test]
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fn test_get_close_matches() {
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let words = vec!["ape", "apple", "peach", "puppy"];
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let result = difflib::get_close_matches("appel", words, 3, 0.6);
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assert_eq!(result, vec!["apple", "ape"]);
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}
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#[test]
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fn test_differ_compare() {
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let first_text = vec!["one\n", "two\n", "three\n"];
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let second_text = vec!["ore\n", "tree\n", "emu\n"];
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let differ = Differ::new();
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let result = differ.compare(&first_text, &second_text).join("");
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assert_eq!(result, "- one\n? ^\n+ ore\n? ^\n- two\n- three\n? -\n+ tree\n+ emu\n");
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}
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#[test]
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fn test_unified_diff() {
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let first_text = "one two three four".split(" ").collect::<Vec<&str>>();
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let second_text = "zero one tree four".split(" ").collect::<Vec<&str>>();
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let result = difflib::unified_diff(&first_text, &second_text, "Original", "Current",
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"2005-01-26 23:30:50", "2010-04-02 10:20:52", 3, "").join("");
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assert_eq!(result, "--- Original\t2005-01-26 23:30:50+++ Current\t2010-04-02 10:20:52@@ -1,4 +1,4 @@+zero one-two-three+tree four");
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} |