Add match tests

match_test.go

@@ -0,0 +1,104 @@
+package complete
+
+import "testing"
+
+func TestMatch(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		m      Matcher
+		prefix string
+		want   bool
+	}{
+		{
+			m:      MatchPrefix("abcd"),
+			prefix: "",
+			want:   true,
+		},
+		{
+			m:      MatchPrefix("abcd"),
+			prefix: "ab",
+			want:   true,
+		},
+		{
+			m:      MatchPrefix("abcd"),
+			prefix: "ac",
+			want:   false,
+		},
+		{
+			m:      MatchPrefix(""),
+			prefix: "ac",
+			want:   false,
+		},
+		{
+			m:      MatchPrefix(""),
+			prefix: "",
+			want:   true,
+		},
+		{
+			m:      MatchFileName("file.txt"),
+			prefix: "",
+			want:   true,
+		},
+		{
+			m:      MatchFileName("./file.txt"),
+			prefix: "",
+			want:   true,
+		},
+		{
+			m:      MatchFileName("./file.txt"),
+			prefix: "f",
+			want:   true,
+		},
+		{
+			m:      MatchFileName("./file.txt"),
+			prefix: "file.",
+			want:   true,
+		},
+		{
+			m:      MatchFileName("./file.txt"),
+			prefix: "./f",
+			want:   true,
+		},
+		{
+			m:      MatchFileName("./file.txt"),
+			prefix: "other.txt",
+			want:   false,
+		},
+		{
+			m:      MatchFileName("./file.txt"),
+			prefix: "/file.txt",
+			want:   false,
+		},
+		{
+			m:      MatchFileName("/file.txt"),
+			prefix: "file.txt",
+			want:   false,
+		},
+		{
+			m:      MatchFileName("/file.txt"),
+			prefix: "./file.txt",
+			want:   false,
+		},
+		{
+			m:      MatchFileName("/file.txt"),
+			prefix: "/file.txt",
+			want:   true,
+		},
+		{
+			m:      MatchFileName("/file.txt"),
+			prefix: "/fil",
+			want:   true,
+		},
+	}
+
+	for _, tt := range tests {
+		name := tt.m.String() + "/" + tt.prefix
+		t.Run(name, func(t *testing.T) {
+			got := tt.m.Match(tt.prefix)
+			if got != tt.want {
+				t.Errorf("Failed %s: got = %t, want: %t", name, got, tt.want)
+			}
+		})
+	}
+}