diff --git a/server/packages/workflow-tests-language-service/tests/unit/hover.test.ts b/server/packages/workflow-tests-language-service/tests/unit/hover.test.ts
new file mode 100644
index 0000000..845756d
--- /dev/null
+++ b/server/packages/workflow-tests-language-service/tests/unit/hover.test.ts
@@ -0,0 +1,132 @@
+import { container } from "@gxwf/server-common/src/inversify.config";
+import { Hover, MarkupContent, WorkflowDataProvider } from "@gxwf/server-common/src/languageTypes";
+import { FAKE_WORKFLOW_DATA_PROVIDER, parseTemplate } from "@gxwf/server-common/tests/testHelpers";
+import { WorkflowTestsLanguageServiceContainerModule } from "@gxwf/workflow-tests-language-service/src/inversify.config";
+import { WorkflowTestsHoverService } from "@gxwf/workflow-tests-language-service/src/services/hover";
+import { TYPES } from "@gxwf/workflow-tests-language-service/src/types";
+import "reflect-metadata";
+import { createGxWorkflowTestsDocument } from "../testHelpers";
+
+describe("Workflow Tests Hover Service", () => {
+  let service: WorkflowTestsHoverService;
+  beforeAll(() => {
+    container.load(WorkflowTestsLanguageServiceContainerModule);
+    service = container.get<WorkflowTestsHoverService>(TYPES.WorkflowTestsHoverService);
+  });
+
+  async function getHover(
+    contents: string,
+    position: { line: number; character: number },
+    workflowDataProvider: WorkflowDataProvider = FAKE_WORKFLOW_DATA_PROVIDER
+  ): Promise<Hover | null> {
+    const documentContext = createGxWorkflowTestsDocument(contents, workflowDataProvider);
+
+    return await service.doHover(documentContext, position);
+  }
+
+  it("should return the documentation of the `doc` property when hovering over it", async () => {
+    const template = `
+- do$c: The docs
+  `;
+    const { contents, position } = parseTemplate(template);
+    const hover = await getHover(contents, position);
+
+    expect(hover).not.toBeNull();
+
+    expectHoverToContainContents(hover!, "Doc");
+    expectHoverToContainContents(hover!, "Describes the purpose of the test");
+  });
+
+  it("should return the documentation of the `job` property when hovering over it", async () => {
+    const template = `
+- doc: The docs
+  jo$b:
+  `;
+    const { contents, position } = parseTemplate(template);
+    const hover = await getHover(contents, position);
+
+    expect(hover).not.toBeNull();
+
+    expectHoverToContainContents(hover!, "Job");
+    expectHoverToContainContents(hover!, "Defines job to execute");
+  });
+
+  it("should return the documentation of the `outputs` property when hovering over it", async () => {
+    const template = `
+- doc: The docs
+  outp$uts:
+  `;
+    const { contents, position } = parseTemplate(template);
+    const hover = await getHover(contents, position);
+
+    expect(hover).not.toBeNull();
+
+    expectHoverToContainContents(hover!, "Outputs");
+    expectHoverToContainContents(hover!, "Defines assertions about outputs");
+  });
+
+  describe("Workflow Inputs/Outputs Hover", () => {
+    it.each<[string, string[]]>([
+      [
+        `
+- job:
+    My fake$ dataset:
+  `,
+        ["My fake dataset", "This is a simple dataset", "Type: data"],
+      ],
+      [
+        `
+- job:
+    'Input$ dataset: fake':
+  `,
+        ["Input dataset: fake", "This is a simple dataset with a colon in the name", "Type: File"],
+      ],
+      [
+        `
+- job:
+    My fake$ collection:
+  `,
+        ["My fake collection", "This is a collection", "Type: collection"],
+      ],
+      [
+        `
+- outputs:
+    My out$put:
+  `,
+        ["My output", "1234-5678-91011-1213"],
+      ],
+      [
+        `
+- outputs:
+    My second out$put:
+  `,
+        ["My second output", "1234-5678-91011-1214"],
+      ],
+      [
+        `
+- outputs:
+    'My third out$put: with colon':
+  `,
+        ["My third output: with colon", "1234-5678-91011-1215"],
+      ],
+    ])(
+      "should return the documentation of the workflow inputs when hovering over them",
+      async (template: string, expectedHoverContents: string[]) => {
+        const { contents, position } = parseTemplate(template);
+        const hover = await getHover(contents, position);
+
+        expect(hover).not.toBeNull();
+
+        for (const expectedContent of expectedHoverContents) {
+          expectHoverToContainContents(hover!, expectedContent);
+        }
+      }
+    );
+  });
+});
+
+function expectHoverToContainContents(hover: Hover, expectedContents: string): void {
+  expect(hover.contents).toBeDefined();
+  const contents = hover.contents as MarkupContent;
+  expect(contents.value).toContain(expectedContents);
+}