Awesomplete.SORT_BYLENGTH tests

1 files changed, 51 insertions, 0 deletions

diff --git a/test/static/sortByLengthSpec.js b/test/static/sortByLengthSpec.js
new file mode 100644
index 0000000..e11d9db
--- /dev/null
+++ b/test/static/sortByLengthSpec.js
@@ -0,0 +1,51 @@
+describe("Awesomplete.SORT_BYLENGTH", function () {
+
+	subject(function () { return Awesomplete.SORT_BYLENGTH });
+
+	it("is a function", function () {
+		expect(this.subject).toEqual(jasmine.any(Function));
+	});
+
+	describe("with strings of different length", function () {
+		it("returns negative number if the first string is shorter", function () {
+			expect(this.subject("a", "aa")).toBe(-1);
+			expect(this.subject("a", "bb")).toBe(-1);
+			expect(this.subject("b", "aa")).toBe(-1);
+
+			expect(this.subject("a", "aaa")).toBe(-2);
+			expect(this.subject("a", "bbb")).toBe(-2);
+			expect(this.subject("b", "aaa")).toBe(-2);
+		});
+
+		it("returns positive number if the first string is longer", function () {
+			expect(this.subject("aa", "a")).toBe(1);
+			expect(this.subject("bb", "a")).toBe(1);
+			expect(this.subject("aa", "b")).toBe(1);
+
+			expect(this.subject("aaa", "a")).toBe(2);
+			expect(this.subject("bbb", "a")).toBe(2);
+			expect(this.subject("aaa", "b")).toBe(2);
+		});
+	});
+
+	describe("with strings of the same length", function () {
+		it("returns -1 if the first string < second string", function () {
+			expect(this.subject("a", "b")).toBe(-1);
+			expect(this.subject("aa", "bb")).toBe(-1);
+			expect(this.subject("aaa", "bbb")).toBe(-1);
+		});
+
+		it("returns 1 if the first string > second string", function () {
+			expect(this.subject("b", "a")).toBe(1);
+			expect(this.subject("bb", "aa")).toBe(1);
+			expect(this.subject("bbb", "aaa")).toBe(1);
+		});
+
+		// FIXME SORT_BYLENGTH should probably return 0 like classic string comparison
+		it("returns 1 if the first string == second string", function () {
+			expect(this.subject("a", "a")).toBe(1);
+			expect(this.subject("aa", "aa")).toBe(1);
+			expect(this.subject("aaa", "aaa")).toBe(1);
+		});
+	});
+});