Expand macro tests

commit-id:bcac35f1

ui-test/expand_macro.ts

@@ -0,0 +1,98 @@
+import { EditorView, TextEditor, VSBrowser, Workbench } from "vscode-extension-tester";
+import { expect } from "chai";
+import { isScarbAvailable } from "../test-support/scarb";
+import * as path from "path";
+
+describe("Expand macro test", function () {
+  this.timeout(50000);
+
+  let editorView: EditorView;
+
+  before(async function () {
+    if (!(await isScarbAvailable())) {
+      this.skip();
+    }
+
+    editorView = new EditorView();
+
+    await VSBrowser.instance.openResources(path.join("ui-test", "fixtures", "expand_macro"));
+  });
+
+  afterEach(async function () {
+    await editorView.closeAllEditors();
+  });
+
+  it("checks if macro correctly expands", async function () {
+    assertExpandAt(
+      editorView,
+      1,
+      1,
+      `// lib.cairo
+// ---------
+
+#[generate_trait]
+impl A of ATrait {
+    fn lol() -> u32 {
+        12
+    }
+}
+
+// generate_trait
+// --------------
+
+trait ATrait {
+    fn lol() -> u32;
+}`,
+    );
+  });
+  it("checks if inline macro correctly expands", async function () {
+    assertExpandAt(
+      editorView,
+      9,
+      8,
+      `// lib.cairo
+// ---------
+
+{
+    let mut __formatter_for_print_macros__: core::fmt::Formatter = core::traits::Default::default();
+    core::result::ResultTrait::<
+        (), core::fmt::Error,
+    >::unwrap(
+        {
+            core::byte_array::ByteArrayTrait::append_word(
+                ref __formatter_for_print_macros__.buffer, 0x617364660a, 5,
+            );
+            core::result::Result::<(), core::fmt::Error>::Ok(())
+        },
+    );
+    core::debug::print_byte_array_as_string(@__formatter_for_print_macros__.buffer);
+}`,
+    );
+  });
+});
+
+async function assertExpandAt(
+  editorView: EditorView,
+  line: number,
+  column: number,
+  expansionCode: string,
+) {
+  await VSBrowser.instance.openResources(
+    path.join("ui-test", "fixtures", "expand_macro", "src", "lib.cairo"),
+  );
+
+  // This points to current active editor.
+  const editor = new TextEditor();
+
+  await editor.moveCursor(line, column);
+
+  const workbench = new Workbench();
+
+  await workbench.executeCommand("Cairo: Recursively expand macros for item at caret");
+
+  const expansion = await editorView.openEditor("[EXPANSION].cairo", 1);
+
+  const expansionText = await expansion.getText();
+
+  expect(expansionText).to.be.eq(expansionCode);
+}

ui-test/fixtures/expand_macro/Scarb.lock

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+# Code generated by scarb DO NOT EDIT.
+version = 1
+
+[[package]]
+name = "expand_macro"
+version = "0.1.0"

ui-test/fixtures/expand_macro/Scarb.toml

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+[package]
+name = "expand_macro"
+version = "0.1.0"

ui-test/fixtures/expand_macro/src/lib.cairo

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+#[generate_trait]
+impl A of ATrait {
+    fn lol() -> u32 {
+        12
+    }
+}
+
+fn b() {
+    println!("asdf");
+}