Initial code import

actions-languageservice/src/validate.test.ts

@@ -0,0 +1,78 @@
+import { parseWorkflow } from "@github/actions-workflow-parser";
+import { TemplateValidationError } from "@github/actions-workflow-parser/templates/template-validation-error";
+import { nullTrace } from "./nulltrace";
+
+describe("validation", () => {
+  it("valid workflow", () => {
+    const result = parseWorkflow(
+      "wf.yaml",
+      [
+        {
+          name: "wf.yaml",
+          content: "on: push\njobs:\n  build:\n    runs-on: ubuntu-latest",
+        },
+      ],
+      nullTrace
+    );
+
+    expect(result.context.errors.getErrors().length).toBe(0);
+  });
+
+  it("missing jobs key", () => {
+    const result = parseWorkflow(
+      "wf.yaml",
+      [
+        {
+          name: "wf.yaml",
+          content: "on: push",
+        },
+      ],
+      nullTrace
+    );
+
+    expect(result.context.errors.getErrors().length).toBe(1);
+    expect(result.context.errors.getErrors()[0]).toEqual(
+      new TemplateValidationError(
+        "Required property is missing: jobs",
+        "wf.yaml (Line: 1, Col: 1)",
+        undefined,
+        {
+          start: [1, 1],
+          end: [1, 9],
+        }
+      )
+    );
+  });
+
+  it("extraneous key", () => {
+    const result = parseWorkflow(
+      "wf.yaml",
+      [
+        {
+          name: "wf.yaml",
+          content: `on: push
+unknown-key: foo
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - run: echo`,
+        },
+      ],
+      nullTrace
+    );
+
+    expect(result.context.errors.getErrors().length).toBe(1);
+    expect(result.context.errors.getErrors()[0]).toEqual(
+      new TemplateValidationError(
+        "Unexpected value 'unknown-key'",
+        "wf.yaml (Line: 2, Col: 1)",
+        undefined,
+        {
+          start: [2, 1],
+          end: [2, 12],
+        }
+      )
+    );
+  });
+});