Rewrite fzf in Go

1 files changed, 87 insertions, 0 deletions

diff --git a/src/pattern_test.go b/src/pattern_test.go
new file mode 100644
index 00000000..a1ce6263
--- /dev/null
+++ b/src/pattern_test.go
@@ -0,0 +1,87 @@
+package fzf
+
+import "testing"
+
+func TestParseTermsExtended(t *testing.T) {
+	terms := parseTerms(MODE_EXTENDED,
+		"aaa 'bbb ^ccc ddd$ !eee !'fff !^ggg !hhh$")
+	if len(terms) != 8 ||
+		terms[0].typ != TERM_FUZZY || terms[0].inv ||
+		terms[1].typ != TERM_EXACT || terms[1].inv ||
+		terms[2].typ != TERM_PREFIX || terms[2].inv ||
+		terms[3].typ != TERM_SUFFIX || terms[3].inv ||
+		terms[4].typ != TERM_FUZZY || !terms[4].inv ||
+		terms[5].typ != TERM_EXACT || !terms[5].inv ||
+		terms[6].typ != TERM_PREFIX || !terms[6].inv ||
+		terms[7].typ != TERM_SUFFIX || !terms[7].inv {
+		t.Errorf("%s", terms)
+	}
+	for idx, term := range terms {
+		if len(term.text) != 3 {
+			t.Errorf("%s", term)
+		}
+		if idx > 0 && len(term.origText) != 4+idx/5 {
+			t.Errorf("%s", term)
+		}
+	}
+}
+
+func TestParseTermsExtendedExact(t *testing.T) {
+	terms := parseTerms(MODE_EXTENDED_EXACT,
+		"aaa 'bbb ^ccc ddd$ !eee !'fff !^ggg !hhh$")
+	if len(terms) != 8 ||
+		terms[0].typ != TERM_EXACT || terms[0].inv || len(terms[0].text) != 3 ||
+		terms[1].typ != TERM_EXACT || terms[1].inv || len(terms[1].text) != 4 ||
+		terms[2].typ != TERM_PREFIX || terms[2].inv || len(terms[2].text) != 3 ||
+		terms[3].typ != TERM_SUFFIX || terms[3].inv || len(terms[3].text) != 3 ||
+		terms[4].typ != TERM_EXACT || !terms[4].inv || len(terms[4].text) != 3 ||
+		terms[5].typ != TERM_EXACT || !terms[5].inv || len(terms[5].text) != 4 ||
+		terms[6].typ != TERM_PREFIX || !terms[6].inv || len(terms[6].text) != 3 ||
+		terms[7].typ != TERM_SUFFIX || !terms[7].inv || len(terms[7].text) != 3 {
+		t.Errorf("%s", terms)
+	}
+}
+
+func TestParseTermsEmpty(t *testing.T) {
+	terms := parseTerms(MODE_EXTENDED, "' $ ^ !' !^ !$")
+	if len(terms) != 0 {
+		t.Errorf("%s", terms)
+	}
+}
+
+func TestExact(t *testing.T) {
+	defer clearPatternCache()
+	clearPatternCache()
+	pattern := BuildPattern(MODE_EXTENDED, CASE_SMART,
+		[]Range{}, nil, []rune("'abc"))
+	str := "aabbcc abc"
+	sidx, eidx := ExactMatchNaive(pattern.caseSensitive, &str, pattern.terms[0].text)
+	if sidx != 7 || eidx != 10 {
+		t.Errorf("%s / %d / %d", pattern.terms, sidx, eidx)
+	}
+}
+
+func TestCaseSensitivity(t *testing.T) {
+	defer clearPatternCache()
+	clearPatternCache()
+	pat1 := BuildPattern(MODE_FUZZY, CASE_SMART, []Range{}, nil, []rune("abc"))
+	clearPatternCache()
+	pat2 := BuildPattern(MODE_FUZZY, CASE_SMART, []Range{}, nil, []rune("Abc"))
+	clearPatternCache()
+	pat3 := BuildPattern(MODE_FUZZY, CASE_IGNORE, []Range{}, nil, []rune("abc"))
+	clearPatternCache()
+	pat4 := BuildPattern(MODE_FUZZY, CASE_IGNORE, []Range{}, nil, []rune("Abc"))
+	clearPatternCache()
+	pat5 := BuildPattern(MODE_FUZZY, CASE_RESPECT, []Range{}, nil, []rune("abc"))
+	clearPatternCache()
+	pat6 := BuildPattern(MODE_FUZZY, CASE_RESPECT, []Range{}, nil, []rune("Abc"))
+
+	if string(pat1.text) != "abc" || pat1.caseSensitive != false ||
+		string(pat2.text) != "Abc" || pat2.caseSensitive != true ||
+		string(pat3.text) != "abc" || pat3.caseSensitive != false ||
+		string(pat4.text) != "abc" || pat4.caseSensitive != false ||
+		string(pat5.text) != "abc" || pat5.caseSensitive != true ||
+		string(pat6.text) != "Abc" || pat6.caseSensitive != true {
+		t.Error("Invalid case conversion")
+	}
+}