add optional level description tests

Signed-off-by: shmck <shawn.j.mckay@gmail.com>

Author: ShMcK

tests/markdown.test.ts

@@ -99,6 +99,19 @@ Some text that describes the level
 
 ### 1.1
 
+First Step`;
+    expect(validateMarkdown(md)).toBe(true);
+  });
+
+  it("should allow for empty level content", () => {
+    const md = `# Title
+
+Description.
+
+## 1. Put Level's title here
+
+### 1.1
+
 First Step`;
     expect(validateMarkdown(md)).toBe(true);
   });

tests/parse.test.ts

@@ -232,6 +232,43 @@ But not including this line.
       expect(result.levels[0]).toEqual(expected.levels[0]);
     });
 
+    it("should allow for empty level content", () => {
+      const md = `# Title
+
+Description.
+
+## 1. Put Level's title here
+
+### 1.1
+
+A step
+`;
+
+      const skeleton = { levels: [{ id: "1" }] };
+      const result = parse({
+        text: md,
+        skeleton,
+        commits: {},
+      });
+      const expected = {
+        levels: [
+          {
+            id: "1",
+            title: "Put Level's title here",
+            summary: "",
+            content: "",
+            steps: [
+              {
+                id: "1.1",
+                content: "A step",
+              },
+            ],
+          },
+        ],
+      };
+      expect(result.levels[0]).toEqual(expected.levels[0]);
+    });
+
     it("should match line breaks with double line breaks for proper spacing", () => {
       const md = `# Title
     

tests/tutorial.test.ts

@@ -2,6 +2,48 @@ import * as T from "../typings/tutorial";
 import tutorialSchema from "../src/schema/tutorial";
 import { validateSchema } from "../src/utils/validateSchema";
 
+const validJson: Partial<T.Tutorial> = {
+  version: "0.1.0",
+  summary: { title: "Title", description: "Description" },
+  config: {
+    testRunner: {
+      command: "aCommand",
+      args: {
+        filter: "filter",
+        tap: "tap",
+      },
+      directory: "coderoad",
+      setup: {
+        commits: ["abcdef1"],
+        commands: ["npm install"],
+      },
+    },
+    repo: {
+      uri: "https://github.com/some-repo.git",
+      branch: "someBranch",
+    },
+    dependencies: [{ name: "name", version: ">=1" }],
+    appVersions: {
+      vscode: ">=0.7.0",
+    },
+  },
+  levels: [
+    {
+      id: "1",
+      title: "Level 1",
+      summary: "The first level",
+      content: "The first level",
+      steps: [
+        {
+          id: "1.1",
+          content: "The first step",
+          setup: { commits: [] },
+        },
+      ],
+    },
+  ],
+};
+
 const validateTutorial = (json: any) => validateSchema(tutorialSchema, json);
 
 describe("validate tutorial", () => {
@@ -12,37 +54,18 @@ describe("validate tutorial", () => {
     expect(valid).toBe(false);
   });
   it("should return true for a valid tutorial", () => {
-    const json: Partial<T.Tutorial> = {
-      version: "0.1.0",
-      summary: { title: "Title", description: "Description" },
-      config: {
-        testRunner: {
-          command: "aCommand",
-          args: {
-            filter: "filter",
-            tap: "tap",
-          },
-          directory: "coderoad",
-          setup: {
-            commits: ["abcdef1"],
-            commands: ["npm install"],
-          },
-        },
-        repo: {
-          uri: "https://github.com/some-repo.git",
-          branch: "someBranch",
-        },
-        dependencies: [{ name: "name", version: ">=1" }],
-        appVersions: {
-          vscode: ">=0.7.0",
-        },
-      },
+    const valid = validateTutorial({ ...validJson });
+    expect(valid).toBe(true);
+  });
+  it("should return true for a tutorial with no level content", () => {
+    const json = {
+      ...validJson,
       levels: [
         {
           id: "1",
           title: "Level 1",
-          summary: "The first level",
-          content: "The first level",
+          summary: "",
+          content: "",
           steps: [],
         },
       ],