refactor(core): decompose session-manager.test.ts into modular test files

packages/core/src/__tests__/session-manager/opencode-helpers.ts

@@ -0,0 +1,149 @@
+import {
+  chmodSync,
+  mkdirSync,
+  writeFileSync,
+} from "node:fs";
+import { join } from "node:path";
+import { randomUUID } from "node:crypto";
+
+export function installMockOpencode(
+  tmpDir: string,
+  sessionListJson: string,
+  deleteLogPath: string,
+  listDelaySeconds = 0,
+  listLogPath?: string,
+): string {
+  const binDir = join(tmpDir, "mock-bin");
+  mkdirSync(binDir, { recursive: true });
+  const scriptPath = join(binDir, "opencode");
+  writeFileSync(
+    scriptPath,
+    [
+      "#!/usr/bin/env bash",
+      "set -euo pipefail",
+      'if [[ "$1" == "session" && "$2" == "list" ]]; then',
+      listLogPath ? `  printf '%s\n' "$*" >> '${listLogPath.replace(/'/g, "'\\''")}'` : "",
+      listDelaySeconds > 0 ? `  sleep ${listDelaySeconds}` : "",
+      `  printf '%s\n' '${sessionListJson.replace(/'/g, "'\\''")}'`,
+      "  exit 0",
+      "fi",
+      'if [[ "$1" == "session" && "$2" == "delete" ]]; then',
+      `  printf '%s\n' "$*" >> '${deleteLogPath.replace(/'/g, "'\\''")}'`,
+      "  exit 0",
+      "fi",
+      "exit 1",
+      "",
+    ].join("\n"),
+    "utf-8",
+  );
+  chmodSync(scriptPath, 0o755);
+  return binDir;
+}
+
+export function installMockOpencodeSequence(
+  tmpDir: string,
+  sessionListJsons: string[],
+  deleteLogPath: string,
+  listLogPath?: string,
+): string {
+  const binDir = join(tmpDir, "mock-bin-sequence");
+  mkdirSync(binDir, { recursive: true });
+  const scriptPath = join(binDir, "opencode");
+  const sequencePath = join(tmpDir, `opencode-sequence-${randomUUID()}.txt`);
+  writeFileSync(sequencePath, "0\n", "utf-8");
+
+  const cases = sessionListJsons
+    .map((entry, index) => {
+      const escaped = entry.replace(/'/g, "'\\''");
+      return `if [[ "$idx" == "${index}" ]]; then printf '%s\\n' '${escaped}'; exit 0; fi`;
+    })
+    .join("\n");
+  const final = sessionListJsons.at(-1)?.replace(/'/g, "'\\''") ?? "[]";
+
+  writeFileSync(
+    scriptPath,
+    [
+      "#!/usr/bin/env bash",
+      "set -euo pipefail",
+      'if [[ "$1" == "session" && "$2" == "list" ]]; then',
+      listLogPath ? `  printf '%s\n' "$*" >> '${listLogPath.replace(/'/g, "'\\''")}'` : "",
+      `  seq_file='${sequencePath.replace(/'/g, "'\\''")}'`,
+      '  idx=$(cat "$seq_file")',
+      "  next=$((idx + 1))",
+      '  printf "%s\n" "$next" > "$seq_file"',
+      `  ${cases}`,
+      `  printf '%s\\n' '${final}'`,
+      "  exit 0",
+      "fi",
+      'if [[ "$1" == "session" && "$2" == "delete" ]]; then',
+      `  printf '%s\n' "$*" >> '${deleteLogPath.replace(/'/g, "'\\''")}'`,
+      "  exit 0",
+      "fi",
+      "exit 1",
+      "",
+    ]
+      .filter(Boolean)
+      .join("\n"),
+    "utf-8",
+  );
+  chmodSync(scriptPath, 0o755);
+  return binDir;
+}
+
+export function installMockOpencodeWithNotFoundDelete(
+  tmpDir: string,
+  sessionListJson: string,
+): string {
+  const binDir = join(tmpDir, "mock-bin-not-found");
+  mkdirSync(binDir, { recursive: true });
+  const scriptPath = join(binDir, "opencode");
+  writeFileSync(
+    scriptPath,
+    [
+      "#!/usr/bin/env bash",
+      "set -euo pipefail",
+      'if [[ "$1" == "session" && "$2" == "list" ]]; then',
+      `  printf '%s\n' '${sessionListJson.replace(/'/g, "'\\''")}'`,
+      "  exit 0",
+      "fi",
+      'if [[ "$1" == "session" && "$2" == "delete" ]]; then',
+      '  printf "Error: Session not found: %s\\n" "$3" >&2',
+      "  exit 1",
+      "fi",
+      "exit 1",
+      "",
+    ].join("\n"),
+    "utf-8",
+  );
+  chmodSync(scriptPath, 0o755);
+  return binDir;
+}
+
+export function installMockGit(
+  tmpDir: string,
+  remoteBranches: string[],
+): string {
+  const binDir = join(tmpDir, "mock-git-bin");
+  mkdirSync(binDir, { recursive: true });
+  const scriptPath = join(binDir, "git");
+  const refs = remoteBranches
+    .map((branch) => `deadbeef\trefs/heads/${branch}`)
+    .join("\\n")
+    .replace(/'/g, "'\\''");
+  writeFileSync(
+    scriptPath,
+    [
+      "#!/usr/bin/env bash",
+      "set -euo pipefail",
+      'if [[ "$1" == "ls-remote" && "$2" == "--heads" && "$3" == "origin" ]]; then',
+      `  printf '%b\\n' '${refs}'`,
+      "  exit 0",
+      "fi",
+      "exit 1",
+      "",
+    ].join("\n"),
+    "utf-8",
+  );
+  chmodSync(scriptPath, 0o755);
+  return binDir;
+}