refactor!: abandan @molt/lib/testing

cli/main_test.ts

@@ -0,0 +1,272 @@
+import { assertEquals } from "@std/assert/assert-equals";
+import { stripAnsiCode } from "@std/fmt/colors";
+import { describe, it } from "@std/testing/bdd";
+import dedent from "dedent";
+
+const BIN = new URL("./main.ts", import.meta.url).pathname;
+const DIR = new URL("../test/fixtures", import.meta.url).pathname;
+const CONFIG = new URL("../deno.json", import.meta.url).pathname;
+
+interface CommandResult {
+  code: number;
+  stdout: string;
+  stderr: string;
+}
+
+async function molt(argstr: string): Promise<CommandResult> {
+  const args = argstr.split(" ").filter((it) => it.length);
+  const { code, stderr, stdout } = await new Deno.Command("deno", {
+    args: ["run", "-A", "--unstable-kv", "--config", CONFIG, BIN, ...args],
+    env: { MOLT_TEST: "1" },
+    cwd: DIR,
+  }).output();
+  const decoder = new TextDecoder();
+  const format = (bytes: Uint8Array) =>
+    stripAnsiCode(decoder.decode(bytes)).trim();
+  return {
+    code,
+    stderr: format(stderr),
+    stdout: format(stdout),
+  };
+}
+
+describe("CLI", () => {
+  it("should error without arguments", async () => {
+    const { code, stderr } = await molt("");
+    assertEquals(code, 2);
+    assertEquals(stderr, "error: Missing argument(s): modules");
+  });
+
+  it("should print the version", async () => {
+    const { stdout } = await molt("--version");
+    const { default: config } = await import("./deno.json", {
+      with: { type: "json" },
+    });
+    assertEquals(stdout, config.version);
+  });
+
+  it("should find updates from `deno.jsonc`", async () => {
+    const { stdout } = await molt("deno.jsonc");
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @octokit/core 6.1.0 => 123.456.789
+        📦 @std/assert 0.222.0 => 123.456.789
+        📦 @std/bytes  => 123.456.789
+        📦 @std/testing 0.222.0 => 123.456.789
+        📦 deno.land/std 0.222.0,  => 123.456.789
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+      `,
+    );
+  });
+
+  it("should update `deno.jsonc`", async () => {
+    const { code, stdout } = await molt("deno.jsonc --write");
+    assertEquals(code, 0);
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @octokit/core 6.1.0 => 123.456.789
+        📦 @std/assert 0.222.0 => 123.456.789
+        📦 @std/bytes  => 123.456.789
+        📦 @std/testing 0.222.0 => 123.456.789
+        📦 deno.land/std 0.222.0,  => 123.456.789
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+
+        💾 deno.jsonc
+      `,
+    );
+  });
+
+  it("should commit changes to `deno.jsonc`", async () => {
+    const { code, stdout } = await molt("deno.jsonc --commit");
+    assertEquals(code, 0);
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @octokit/core 6.1.0 => 123.456.789
+        📦 @std/assert 0.222.0 => 123.456.789
+        📦 @std/bytes  => 123.456.789
+        📦 @std/testing 0.222.0 => 123.456.789
+        📦 deno.land/std 0.222.0,  => 123.456.789
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+
+        📝 bump @octokit/core from 6.1.0 to 123.456.789
+        📝 bump @std/assert from 0.222.0 to 123.456.789
+        📝 bump @std/bytes to 123.456.789
+        📝 bump @std/testing from 0.222.0 to 123.456.789
+        📝 bump deno.land/std from 0.222.0 to 123.456.789
+        📝 bump deno.land/x/deno_graph from 0.50.0 to 123.456.789
+      `,
+    );
+  });
+
+  it("should find updates to mod_test.ts", async () => {
+    // FIXME: We must pass `--import-map` explicitly because `@chiezo/amber`
+    // does not support `Deno.readDir` yet, which is called by `findFileUp`.
+    const { stdout } = await molt("mod_test.ts --import-map deno.jsonc");
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @std/assert 0.222.0 => 123.456.789
+          mod_test.ts
+        📦 @std/testing 0.222.0 => 123.456.789
+          deno.jsonc
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+          mod.ts
+      `,
+    );
+  });
+
+  it("should write updates collected from mod_test.ts", async () => {
+    const { code, stdout } = await molt(
+      "mod_test.ts --import-map deno.jsonc --write",
+    );
+    assertEquals(code, 0);
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @std/assert 0.222.0 => 123.456.789
+          mod_test.ts
+        📦 @std/testing 0.222.0 => 123.456.789
+          deno.jsonc
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+          mod.ts
+
+        💾 deno.jsonc
+        💾 mod_test.ts
+        💾 mod.ts
+      `,
+    );
+  });
+
+  it("should commit updates collected from mod_test.ts", async () => {
+    const { code, stdout } = await molt(
+      "mod_test.ts --import-map deno.jsonc --commit",
+    );
+    assertEquals(code, 0);
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @std/assert 0.222.0 => 123.456.789
+          mod_test.ts
+        📦 @std/testing 0.222.0 => 123.456.789
+          deno.jsonc
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+          mod.ts
+
+        📝 bump @std/assert from 0.222.0 to 123.456.789
+        📝 bump @std/testing from 0.222.0 to 123.456.789
+        📝 bump deno.land/x/deno_graph from 0.50.0 to 123.456.789
+      `,
+    );
+  });
+
+  it("should ignore dependencies with `--ignore` option", async () => {
+    const { stdout } = await molt("deno.jsonc --ignore std");
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @octokit/core 6.1.0 => 123.456.789
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+      `,
+    );
+  });
+
+  it("should accept multiple entries for `--ignore` option", async () => {
+    const { stdout } = await molt("deno.jsonc --ignore=std,octokit");
+    assertEquals(
+      stdout,
+      dedent`
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+      `,
+    );
+  });
+
+  it("should filter updates with `--only` option", async () => {
+    const { stdout } = await molt("deno.jsonc --only std");
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @std/assert 0.222.0 => 123.456.789
+        📦 @std/bytes  => 123.456.789
+        📦 @std/testing 0.222.0 => 123.456.789
+        📦 deno.land/std 0.222.0,  => 123.456.789
+      `,
+    );
+  });
+
+  it("should accept multiple entries for `--only` option", async () => {
+    const { stdout } = await molt("deno.jsonc --only=octokit,deno_graph");
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @octokit/core 6.1.0 => 123.456.789
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+      `,
+    );
+  });
+
+  it("should not resolve local imports with `--no-resolve` option", async () => {
+    const { stdout } = await molt("mod_test.ts --no-resolve");
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @std/assert 0.222.0 => 123.456.789
+      `,
+    );
+  });
+
+  it("should run tasks before each commit with `--pre-commit` option", async () => {
+    const { stdout } = await molt("mod.ts --commit --pre-commit=fmt,lint");
+    assertEquals(
+      stdout,
+      dedent`
+      📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+      
+      💾 bump deno.land/x/deno_graph from 0.50.0 to 123.456.789
+      🔨 Running task fmt...
+      🔨 Running task lint...
+      📝 bump deno.land/x/deno_graph from 0.50.0 to 123.456.789
+      `,
+    );
+  });
+
+  it("should prefix commit messages with `--prefix` option", async () => {
+    const { stdout } = await molt("mod.ts --commit --prefix=chore:");
+    assertEquals(
+      stdout,
+      dedent`
+      📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+      
+      📝 chore: bump deno.land/x/deno_graph from 0.50.0 to 123.456.789
+      `,
+    );
+  });
+
+  // FIXME: The list of files only includes `deno.jsonc`
+  it.ignore("should find updates to a lock file with `--unstable-lock` option", async () => {
+    const { stdout } = await molt(
+      "mod_test.ts --unstable-lock --import-map deno.jsonc --write",
+    );
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @std/assert 0.222.0 => 123.456.789
+          mod_test.ts
+          deno.lock
+        📦 @std/testing 0.222.0 => 123.456.789
+          deno.jsonc
+          deno.lock
+        📦 deno.land/x/deno_graph 0.50.0 => 123.456.789
+          mod.ts
+          deno.lock
+
+        💾 deno.jsonc
+        💾 deno.lock
+        💾 mod_test.ts
+        💾 mod.ts
+      `,
+    );
+  });
+});