Update files

snakeCase/solution/snakeCase-solution.spec.js

@@ -0,0 +1,26 @@
+const snakeCase = require("./snakeCase");
+
+describe("snakeCase", () => {
+  test("works with simple lowercased phrases", () => {
+    expect(snakeCase("hello world")).toEqual("hello_world");
+  });
+  test.skip("works with Caps and punctuation", () => {
+    expect(snakeCase("Hello, World???")).toEqual("hello_world");
+  });
+  test.skip("works with longer phrases", () => {
+    expect(snakeCase("This is the song that never ends....")).toEqual(
+      "this_is_the_song_that_never_ends"
+    );
+  });
+  test.skip("works with camel case", () => {
+    expect(snakeCase("snakeCase")).toEqual("snake_case");
+  });
+  test.skip("works with kebab case", () => {
+    expect(snakeCase("snake-case")).toEqual("snake_case");
+  });
+  test.skip("works with WTF case", () => {
+    expect(snakeCase("SnAkE..CaSe..Is..AwEsOmE")).toEqual(
+      "snake_case_is_awesome"
+    );
+  });
+});