1 files changed, 102 insertions, 0 deletions
diff --git a/test/console/reducers/completion.test.ts b/test/console/reducers/completion.test.ts
new file mode 100644
index 0000000..6c76369
--- /dev/null
+++ b/test/console/reducers/completion.test.ts
@@ -0,0 +1,102 @@
+import reducer, { State } from "../../../src/console/reducers/completion";
+import { expect } from "chai";
+import {
+  COMPLETION_COMPLETION_NEXT,
+  COMPLETION_COMPLETION_PREV,
+  COMPLETION_SET_COMPLETIONS,
+  CompletionAction,
+} from "../../../src/console/actions/completion";
+
+describe("completion reducer", () => {
+  it("return next state for CONSOLE_SET_COMPLETIONS", () => {
+    const initialState = reducer(undefined, {} as any);
+    let state: State = {
+      ...initialState,
+      select: 0,
+      completions: [],
+    };
+    const action: CompletionAction = {
+      type: COMPLETION_SET_COMPLETIONS,
+      completions: [
+        {
+          name: "Apple",
+          items: [{}, {}, {}],
+        },
+        {
+          name: "Banana",
+          items: [{}, {}, {}],
+        },
+      ],
+      completionSource: "",
+    };
+    state = reducer(state, action);
+    expect(state).to.have.property("completions", action.completions);
+    expect(state).to.have.property("select", -1);
+  });
+
+  it("return next state for CONSOLE_COMPLETION_NEXT", () => {
+    const initialState = reducer(undefined, {} as any);
+    const action: CompletionAction = {
+      type: COMPLETION_COMPLETION_NEXT,
+    };
+    let state = {
+      ...initialState,
+      select: -1,
+      completions: [
+        {
+          name: "Apple",
+          items: [{}, {}],
+        },
+        {
+          name: "Banana",
+          items: [{}],
+        },
+      ],
+    };
+
+    state = reducer(state, action);
+    expect(state).to.have.property("select", 0);
+
+    state = reducer(state, action);
+    expect(state).to.have.property("select", 1);
+
+    state = reducer(state, action);
+    expect(state).to.have.property("select", 2);
+
+    state = reducer(state, action);
+    expect(state).to.have.property("select", -1);
+  });
+
+  it("return next state for CONSOLE_COMPLETION_PREV", () => {
+    const initialState = reducer(undefined, {} as any);
+    const action: CompletionAction = {
+      type: COMPLETION_COMPLETION_PREV,
+    };
+    let state = {
+      ...initialState,
+      select: -1,
+      completions: [
+        {
+          name: "Apple",
+          items: [{}, {}],
+        },
+        {
+          name: "Banana",
+          items: [{}],
+        },
+      ],
+    };
+
+    state = reducer(state, action);
+    expect(state).to.have.property("select", 2);
+
+    state = reducer(state, action);
+    expect(state).to.have.property("select", 1);
+
+    state = reducer(state, action);
+    expect(state).to.have.property("select", 0);
+
+    state = reducer(state, action);
+    expect(state).to.have.property("select", -1);
+  });
+});