import * as NodeServices from "@effect/platform-node/NodeServices";import { it } from "@effect/vitest";import { Effect, FileSystem, Layer, Path, Result, Schema } from "effect";import { createModelSelection } from "@t3tools/shared/model";import { expect } from "vitest"; import { CodexSettings, ProviderInstanceId, TextGenerationError } from "@t3tools/contracts"; import { ServerConfig } from "../config.ts";import { type TextGenerationShape } from "./TextGeneration.ts";import { makeCodexTextGeneration } from "./CodexTextGeneration.ts"; const DEFAULT_TEST_MODEL_SELECTION = createModelSelection(  ProviderInstanceId.make("codex"),  "gpt-5.4-mini",); const CodexTextGenerationTestLayer = ServerConfig.layerTest(process.cwd(), {  prefix: "t3code-codex-text-generation-test-",}).pipe(Layer.provideMerge(NodeServices.layer)); function makeFakeCodexBinary(  dir: string,  input: {    output: string;    exitCode?: number;    stderr?: string;    requireImage?: boolean;    requireFastServiceTier?: boolean;    requireReasoningEffort?: string;    forbidReasoningEffort?: boolean;    stdinMustContain?: string;    stdinMustNotContain?: string;  },) {  return Effect.gen(function* () {    const fs = yield* FileSystem.FileSystem;    const path = yield* Path.Path;    const binDir = path.join(dir, "bin");    const codexPath = path.join(binDir, "codex");    yield* fs.makeDirectory(binDir, { recursive: true });     yield* fs.writeFileString(      codexPath,      [        "#!/bin/sh",        'output_path=""',        'seen_image="0"',        'seen_fast_service_tier="0"',        'seen_reasoning_effort=""',        "while [ $# -gt 0 ]; do",        '  if [ "$1" = "--image" ]; then',        "    shift",        '    if [ -n "$1" ]; then',        '      seen_image="1"',        "    fi",        "    shift",        "    continue",        "  fi",        '  if [ "$1" = "--config" ]; then',        "    shift",        '    if [ "$1" = "service_tier=\\"fast\\"" ]; then',        '      seen_fast_service_tier="1"',        "    fi",        '    case "$1" in',        "      model_reasoning_effort=*)",        '        seen_reasoning_effort="$1"',        "        ;;",        "    esac",        "    shift",        "    continue",        "  fi",        '  if [ "$1" = "--output-last-message" ]; then',        "    shift",        '    output_path="$1"',        "    shift",        "    continue",        "  fi",        "  shift",        "done",        'stdin_content="$(cat)"',        ...(input.requireImage          ? [              'if [ "$seen_image" != "1" ]; then',              '  printf "%s\\n" "missing --image input" >&2',              `  exit 2`,              "fi",            ]          : []),        ...(input.requireFastServiceTier          ? [              'if [ "$seen_fast_service_tier" != "1" ]; then',              '  printf "%s\\n" "missing fast service tier config" >&2',              `  exit 5`,              "fi",            ]          : []),        ...(input.requireReasoningEffort !== undefined          ? [              `if [ "$seen_reasoning_effort" != "model_reasoning_effort=\\"${input.requireReasoningEffort}\\"" ]; then`,              '  printf "%s\\n" "unexpected reasoning effort config: $seen_reasoning_effort" >&2',              `  exit 6`,              "fi",            ]          : []),        ...(input.forbidReasoningEffort          ? [              'if [ -n "$seen_reasoning_effort" ]; then',              '  printf "%s\\n" "reasoning effort config should be omitted: $seen_reasoning_effort" >&2',              `  exit 7`,              "fi",            ]          : []),        ...(input.stdinMustContain !== undefined          ? [              `if ! printf "%s" "$stdin_content" | grep -F -- ${JSON.stringify(input.stdinMustContain)} >/dev/null; then`,              '  printf "%s\\n" "stdin missing expected content" >&2',              `  exit 3`,              "fi",            ]          : []),        ...(input.stdinMustNotContain !== undefined          ? [              `if printf "%s" "$stdin_content" | grep -F -- ${JSON.stringify(input.stdinMustNotContain)} >/dev/null; then`,              '  printf "%s\\n" "stdin contained forbidden content" >&2',              `  exit 4`,              "fi",            ]          : []),        ...(input.stderr !== undefined          ? [`printf "%s\\n" ${JSON.stringify(input.stderr)} >&2`]          : []),        'if [ -n "$output_path" ]; then',        "  cat > \"$output_path\" <<'__T3CODE_FAKE_CODEX_OUTPUT__'",        input.output,        "__T3CODE_FAKE_CODEX_OUTPUT__",        "fi",        `exit ${input.exitCode ?? 0}`,        "",      ].join("\n"),    );    yield* fs.chmod(codexPath, 0o755);    return codexPath;  });} function withFakeCodexEnv<A, E, R>(  input: {    output: string;    exitCode?: number;    stderr?: string;    requireImage?: boolean;    requireFastServiceTier?: boolean;    requireReasoningEffort?: string;    forbidReasoningEffort?: boolean;    stdinMustContain?: string;    stdinMustNotContain?: string;  },  effectFn: (textGeneration: TextGenerationShape) => Effect.Effect<A, E, R>,) {  return Effect.gen(function* () {    const fs = yield* FileSystem.FileSystem;    const tempDir = yield* fs.makeTempDirectoryScoped({ prefix: "t3code-codex-text-" });    const codexPath = yield* makeFakeCodexBinary(tempDir, input);    const config = Schema.decodeSync(CodexSettings)({ binaryPath: codexPath });    const textGeneration = yield* makeCodexTextGeneration(config);    return yield* effectFn(textGeneration);  }).pipe(Effect.scoped);} it.layer(CodexTextGenerationTestLayer)("CodexTextGeneration", (it) => {  it.effect("generates and sanitizes commit messages without branch by default", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          subject:            "  Add important change to the system with too much detail and a trailing period.\nsecondary line",          body: "\n- added migration\n- updated tests\n",        }),        stdinMustNotContain: "branch must be a short semantic git branch fragment",      },      (textGeneration) =>        Effect.gen(function* () {          const generated = yield* textGeneration.generateCommitMessage({            cwd: process.cwd(),            branch: "feature/codex-effect",            stagedSummary: "M README.md",            stagedPatch: "diff --git a/README.md b/README.md",            modelSelection: DEFAULT_TEST_MODEL_SELECTION,          });           expect(generated.subject.length).toBeLessThanOrEqual(72);          expect(generated.subject.endsWith(".")).toBe(false);          expect(generated.body).toBe("- added migration\n- updated tests");          expect(generated.branch).toBeUndefined();        }),    ),  );   it.effect(    "forwards codex fast mode and non-default reasoning effort into codex exec config",    () =>      withFakeCodexEnv(        {          output: JSON.stringify({            subject: "Add important change",            body: "",          }),          requireFastServiceTier: true,          requireReasoningEffort: "xhigh",          stdinMustNotContain: "branch must be a short semantic git branch fragment",        },        (textGeneration) =>          textGeneration.generateCommitMessage({            cwd: process.cwd(),            branch: "feature/codex-effect",            stagedSummary: "M README.md",            stagedPatch: "diff --git a/README.md b/README.md",            modelSelection: createModelSelection(ProviderInstanceId.make("codex"), "gpt-5.4", [              { id: "reasoningEffort", value: "xhigh" },              { id: "fastMode", value: true },            ]),          }),      ),  );   it.effect("defaults git text generation codex effort to low", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          subject: "Add important change",          body: "",        }),        requireReasoningEffort: "low",      },      (textGeneration) =>        textGeneration.generateCommitMessage({          cwd: process.cwd(),          branch: "feature/codex-effect",          stagedSummary: "M README.md",          stagedPatch: "diff --git a/README.md b/README.md",          modelSelection: DEFAULT_TEST_MODEL_SELECTION,        }),    ),  );   it.effect("generates commit message with branch when includeBranch is true", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          subject: "Add important change",          body: "",          branch: "fix/important-system-change",        }),        stdinMustContain: "branch must be a short semantic git branch fragment",      },      (textGeneration) =>        Effect.gen(function* () {          const generated = yield* textGeneration.generateCommitMessage({            cwd: process.cwd(),            branch: "feature/codex-effect",            stagedSummary: "M README.md",            stagedPatch: "diff --git a/README.md b/README.md",            includeBranch: true,            modelSelection: DEFAULT_TEST_MODEL_SELECTION,          });           expect(generated.subject).toBe("Add important change");          expect(generated.branch).toBe("feature/fix/important-system-change");        }),    ),  );   it.effect("generates PR content and trims markdown body", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          title: "  Improve orchestration flow\nwith ignored suffix",          body: "\n## Summary\n- improve flow\n\n## Testing\n- bun test\n\n",        }),      },      (textGeneration) =>        Effect.gen(function* () {          const generated = yield* textGeneration.generatePrContent({            cwd: process.cwd(),            baseBranch: "main",            headBranch: "feature/codex-effect",            commitSummary: "feat: improve orchestration flow",            diffSummary: "2 files changed",            diffPatch: "diff --git a/a.ts b/a.ts",            modelSelection: DEFAULT_TEST_MODEL_SELECTION,          });           expect(generated.title).toBe("Improve orchestration flow");          expect(generated.body.startsWith("## Summary")).toBe(true);          expect(generated.body.endsWith("\n\n")).toBe(false);        }),    ),  );   it.effect("generates branch names and normalizes branch fragments", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          branch: "  Feat/Session  ",        }),        stdinMustNotContain: "Image attachments supplied to the model",      },      (textGeneration) =>        Effect.gen(function* () {          const generated = yield* textGeneration.generateBranchName({            cwd: process.cwd(),            message: "Please update session handling.",            modelSelection: DEFAULT_TEST_MODEL_SELECTION,          });           expect(generated.branch).toBe("feat/session");        }),    ),  );   it.effect("generates thread titles and trims them for sidebar use", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          title:            '  "Investigate websocket reconnect regressions after worktree restore"  \nignored line',        }),      },      (textGeneration) =>        Effect.gen(function* () {          const generated = yield* textGeneration.generateThreadTitle({            cwd: process.cwd(),            message: "Please investigate websocket reconnect regressions after a worktree restore.",            modelSelection: DEFAULT_TEST_MODEL_SELECTION,          });           expect(generated.title).toBe("Investigate websocket reconnect regressions aft...");        }),    ),  );   it.effect("falls back when thread title normalization becomes whitespace-only", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          title: '  """   """  ',        }),      },      (textGeneration) =>        Effect.gen(function* () {          const generated = yield* textGeneration.generateThreadTitle({            cwd: process.cwd(),            message: "Name this thread.",            modelSelection: DEFAULT_TEST_MODEL_SELECTION,          });           expect(generated.title).toBe("New thread");        }),    ),  );   it.effect("trims whitespace exposed after quote removal in thread titles", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          title: `  "' hello world '"  `,        }),      },      (textGeneration) =>        Effect.gen(function* () {          const generated = yield* textGeneration.generateThreadTitle({            cwd: process.cwd(),            message: "Name this thread.",            modelSelection: DEFAULT_TEST_MODEL_SELECTION,          });           expect(generated.title).toBe("hello world");        }),    ),  );   it.effect("omits attachment metadata section when no attachments are provided", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          branch: "fix/session-timeout",        }),        stdinMustNotContain: "Attachment metadata:",      },      (textGeneration) =>        Effect.gen(function* () {          const generated = yield* textGeneration.generateBranchName({            cwd: process.cwd(),            message: "Fix timeout behavior.",            modelSelection: DEFAULT_TEST_MODEL_SELECTION,          });           expect(generated.branch).toBe("fix/session-timeout");        }),    ),  );   it.effect("passes image attachments through as codex image inputs", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          branch: "fix/ui-regression",        }),        requireImage: true,        stdinMustContain: "Attachment metadata:",      },      (textGeneration) =>        Effect.gen(function* () {          const fs = yield* FileSystem.FileSystem;          const path = yield* Path.Path;          const { attachmentsDir } = yield* ServerConfig;          const attachmentId = `thread-branch-image-${Date.now()}-${Math.random().toString(36).slice(2, 10)}`;          const attachmentPath = path.join(attachmentsDir, `${attachmentId}.png`);          yield* fs.makeDirectory(attachmentsDir, { recursive: true });          yield* fs.writeFile(attachmentPath, Buffer.from("hello"));           const generated = yield* textGeneration.generateBranchName({            modelSelection: DEFAULT_TEST_MODEL_SELECTION,            cwd: process.cwd(),            message: "Fix layout bug from screenshot.",            attachments: [              {                type: "image",                id: attachmentId,                name: "bug.png",                mimeType: "image/png",                sizeBytes: 5,              },            ],          });           expect(generated.branch).toBe("fix/ui-regression");        }),    ),  );   it.effect("resolves persisted attachment ids to files for codex image inputs", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          branch: "fix/ui-regression",        }),        requireImage: true,      },      (textGeneration) =>        Effect.gen(function* () {          const fs = yield* FileSystem.FileSystem;          const path = yield* Path.Path;          const { attachmentsDir } = yield* ServerConfig;          const attachmentId = `thread-1-${Date.now()}-${Math.random().toString(36).slice(2, 10)}`;          const imagePath = path.join(attachmentsDir, `${attachmentId}.png`);          yield* fs.makeDirectory(attachmentsDir, { recursive: true });          yield* fs.writeFile(imagePath, Buffer.from("hello"));           const generated = yield* textGeneration            .generateBranchName({              modelSelection: DEFAULT_TEST_MODEL_SELECTION,              cwd: process.cwd(),              message: "Fix layout bug from screenshot.",              attachments: [                {                  type: "image",                  id: attachmentId,                  name: "bug.png",                  mimeType: "image/png",                  sizeBytes: 5,                },              ],            })            .pipe(              Effect.tap(() =>                fs.stat(imagePath).pipe(                  Effect.map((fileInfo) => {                    expect(fileInfo.type).toBe("File");                  }),                ),              ),              Effect.ensuring(fs.remove(imagePath).pipe(Effect.catch(() => Effect.void))),            );           expect(generated.branch).toBe("fix/ui-regression");        }),    ),  );   it.effect("ignores missing attachment ids for codex image inputs", () =>    withFakeCodexEnv(      {        output: JSON.stringify({          branch: "fix/ui-regression",        }),        requireImage: true,      },      (textGeneration) =>

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