chore: initialize from frontend template 4dc033c

2026-08-13 18:23:26 +09:00
commit 40107eec84
897 changed files with 234824 additions and 0 deletions
@@ -0,0 +1,82 @@
+export type GateStepExpectation =
+  | Readonly<{ kind: "pass" }>
+  | Readonly<{
+      kind: "fail";
+      expectedExitCode: number;
+      expectedDiagnosticId: string;
+    }>;
+
+export type GateProcessResult = Readonly<{
+  status: number | null;
+  signal: string | null;
+  stdout: string;
+  stderr: string;
+  error?: Readonly<{ code?: string }>;
+}>;
+
+export type GateStepClassification =
+  | Readonly<{
+      kind: "EXPECTED_PASS" | "EXPECTED_FAILURE";
+      expectationMet: true;
+    }>
+  | Readonly<{
+      kind: "UNEXPECTED_EXIT";
+      expectationMet: false;
+    }>
+  | Readonly<{
+      kind: "UNEXPECTED_DIAGNOSTIC";
+      expectationMet: false;
+    }>
+  | Readonly<{
+      kind: "INFRASTRUCTURE_FAILURE";
+      expectationMet: false;
+      detail: string;
+    }>;
+
+/** A negative fixture passes only with its registered exit and diagnostic. */
+export function classifyGateStepResult(
+  expectation: GateStepExpectation,
+  result: GateProcessResult,
+): GateStepClassification {
+  const errorCode = result.error?.code;
+  const spawnFailed = result.error !== undefined;
+  if (spawnFailed || result.signal || result.status === null) {
+    return Object.freeze({
+      kind: "INFRASTRUCTURE_FAILURE" as const,
+      expectationMet: false as const,
+      detail:
+        errorCode ??
+        result.signal ??
+        (spawnFailed ? "SPAWN_ERROR" : "NO_EXIT_STATUS"),
+    });
+  }
+  if (expectation.kind === "pass" && result.status === 0) {
+    return Object.freeze({
+      kind: "EXPECTED_PASS" as const,
+      expectationMet: true as const,
+    });
+  }
+  if (expectation.kind === "fail") {
+    if (result.status !== expectation.expectedExitCode) {
+      return Object.freeze({
+        kind: "UNEXPECTED_EXIT" as const,
+        expectationMet: false as const,
+      });
+    }
+    const diagnosticOutput = `${result.stdout}\n${result.stderr}`;
+    if (!diagnosticOutput.includes(expectation.expectedDiagnosticId)) {
+      return Object.freeze({
+        kind: "UNEXPECTED_DIAGNOSTIC" as const,
+        expectationMet: false as const,
+      });
+    }
+    return Object.freeze({
+      kind: "EXPECTED_FAILURE" as const,
+      expectationMet: true as const,
+    });
+  }
+  return Object.freeze({
+    kind: "UNEXPECTED_EXIT" as const,
+    expectationMet: false as const,
+  });
+}