Spracherkennung für: .ts vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
import { Type, type TSchema } from "typebox";
import { describe, expect, it, vi } from "vitest";
import {
cleanToolSchemaForGemini,
normalizeToolParameterSchema,
normalizeToolParameters,
} from "./pi-tools.schema.js";
import type { AnyAgentTool } from "./pi-tools.types.js";
describe("normalizeToolParameterSchema", () => {
it("normalizes truly empty schemas to type:object with properties:{}", () => {
expect(normalizeToolParameterSchema({})).toEqual({
type: "object",
properties: {},
});
});
it("leaves top-level allOf schemas unchanged", () => {
const schema = {
allOf: [{ type: "object", properties: { id: { type: "string" } } }],
};
expect(normalizeToolParameterSchema(schema)).toEqual(schema);
});
it("adds missing top-level type for raw object-ish schemas", () => {
expect(
normalizeToolParameterSchema({
properties: { q: { type: "string" } },
required: ["q"],
}),
).toEqual({
type: "object",
properties: { q: { type: "string" } },
required: ["q"],
});
});
it("inlines local $ref before removing unsupported keywords", () => {
const cleaned = cleanToolSchemaForGemini({
type: "object",
properties: {
foo: { $ref: "#/$defs/Foo" },
},
$defs: {
Foo: { type: "string", enum: ["a", "b"] },
},
}) as {
$defs?: unknown;
properties?: Record<string, unknown>;
};
expect(cleaned.$defs).toBeUndefined();
expect(cleaned.properties).toBeDefined();
expect(cleaned.properties?.foo).toMatchObject({
type: "string",
enum: ["a", "b"],
});
});
it("cleans tuple items schemas", () => {
const cleaned = cleanToolSchemaForGemini({
type: "object",
properties: {
tuples: {
type: "array",
items: [
{ type: "string", format: "uuid" },
{ type: "number", minimum: 1 },
],
},
},
}) as {
properties?: Record<string, unknown>;
};
const tuples = cleaned.properties?.tuples as { items?: unknown } | undefined;
const items = Array.isArray(tuples?.items) ? tuples?.items : [];
const first = items[0] as { format?: unknown } | undefined;
const second = items[1] as { minimum?: unknown } | undefined;
expect(first?.format).toBeUndefined();
expect(second?.minimum).toBeUndefined();
});
it("drops null-only union variants without flattening other unions", () => {
const cleaned = cleanToolSchemaForGemini({
type: "object",
properties: {
parentId: { anyOf: [{ type: "string" }, { type: "null" }] },
count: { oneOf: [{ type: "string" }, { type: "number" }] },
},
}) as {
properties?: Record<string, unknown>;
};
const parentId = cleaned.properties?.parentId as
| { type?: unknown; anyOf?: unknown; oneOf?: unknown }
| undefined;
const count = cleaned.properties?.count as
| { type?: unknown; anyOf?: unknown; oneOf?: unknown }
| undefined;
expect(parentId?.type).toBe("string");
expect(parentId?.anyOf).toBeUndefined();
expect(count?.oneOf).toBeUndefined();
});
});
function makeTool(parameters: TSchema): AnyAgentTool {
return {
name: "test_tool",
label: "Test Tool",
description: "test",
parameters,
execute: vi.fn(),
};
}
describe("normalizeToolParameters", () => {
it("normalizes truly empty schemas to type:object with properties:{} (MCP parameter-free tools)", () => {
const tool: AnyAgentTool = {
name: "get_flux_instance",
label: "get_flux_instance",
description: "Get current Flux instance status",
parameters: {},
execute: vi.fn(),
};
const normalized = normalizeToolParameters(tool);
const parameters = normalized.parameters as Record<string, unknown>;
expect(parameters.type).toBe("object");
expect(parameters.properties).toEqual({});
});
it("does not rewrite non-empty schemas that still lack type/properties", () => {
const tool: AnyAgentTool = {
name: "conditional",
label: "conditional",
description: "Conditional schema stays untouched",
parameters: { allOf: [] },
execute: vi.fn(),
};
const normalized = normalizeToolParameters(tool);
expect(normalized.parameters).toEqual({ allOf: [] });
});
it("injects properties:{} for type:object schemas missing properties (MCP no-param tools)", () => {
const tool: AnyAgentTool = {
name: "list_regions",
label: "list_regions",
description: "List all AWS regions",
parameters: { type: "object" },
execute: vi.fn(),
};
const normalized = normalizeToolParameters(tool);
const parameters = normalized.parameters as Record<string, unknown>;
expect(parameters.type).toBe("object");
expect(parameters.properties).toEqual({});
});
it("preserves existing properties on type:object schemas", () => {
const tool: AnyAgentTool = {
name: "query",
label: "query",
description: "Run a query",
parameters: { type: "object", properties: { q: { type: "string" } } },
execute: vi.fn(),
};
const normalized = normalizeToolParameters(tool);
const parameters = normalized.parameters as Record<string, unknown>;
expect(parameters.type).toBe("object");
expect(parameters.properties).toEqual({ q: { type: "string" } });
});
it("injects properties:{} for type:object with only additionalProperties", () => {
const tool: AnyAgentTool = {
name: "passthrough",
label: "passthrough",
description: "Accept any input",
parameters: { type: "object", additionalProperties: true },
execute: vi.fn(),
};
const normalized = normalizeToolParameters(tool);
const parameters = normalized.parameters as Record<string, unknown>;
expect(parameters.type).toBe("object");
expect(parameters.properties).toEqual({});
expect(parameters.additionalProperties).toBe(true);
});
it("strips compat-declared unsupported schema keywords without provider-specific branching", () => {
const tool: AnyAgentTool = {
name: "demo",
label: "demo",
description: "demo",
parameters: Type.Object({
count: Type.Integer({ minimum: 1, maximum: 5 }),
query: Type.Optional(Type.String({ minLength: 2 })),
}),
execute: vi.fn(),
};
const normalized = normalizeToolParameters(tool, {
modelCompat: {
unsupportedToolSchemaKeywords: ["minimum", "maximum", "minLength"],
},
});
const parameters = normalized.parameters as {
required?: string[];
properties?: Record<string, Record<string, unknown>>;
};
expect(parameters.required).toEqual(["count"]);
expect(parameters.properties?.count.minimum).toBeUndefined();
expect(parameters.properties?.count.maximum).toBeUndefined();
expect(parameters.properties?.count.type).toBe("integer");
expect(parameters.properties?.query.minLength).toBeUndefined();
expect(parameters.properties?.query.type).toBe("string");
});
it("filters required to match properties when flattening anyOf for Gemini", () => {
const tool = makeTool({
type: "object",
required: ["action", "amount", "token"],
anyOf: [
{
type: "object",
properties: {
action: { type: "string", enum: ["buy"] },
amount: { type: "number" },
},
},
{
type: "object",
properties: {
action: { type: "string", enum: ["sell"] },
price: { type: "number" },
},
},
],
});
const result = normalizeToolParameters(tool, {
modelProvider: "google",
});
const params = result.parameters as {
required?: string[];
properties?: Record<string, unknown>;
};
expect(params.required).not.toContain("token");
expect(params.required).toContain("action");
expect(params.properties).toHaveProperty("action");
expect(params.properties).toHaveProperty("amount");
expect(params.properties).toHaveProperty("price");
});
it("preserves extra required fields for non-Gemini providers", () => {
const tool = makeTool({
type: "object",
required: ["action", "token"],
anyOf: [
{
type: "object",
properties: {
action: { type: "string" },
},
},
],
});
const result = normalizeToolParameters(tool);
const params = result.parameters as { required?: string[] };
expect(params.required).toEqual(["action", "token"]);
});
it("keeps all required fields when they exist in merged properties", () => {
const tool = makeTool({
type: "object",
required: ["action", "amount"],
anyOf: [
{
type: "object",
properties: {
action: { type: "string" },
amount: { type: "number" },
},
},
],
});
const result = normalizeToolParameters(tool, {
modelProvider: "google",
});
const params = result.parameters as { required?: string[] };
expect(params.required).toContain("action");
expect(params.required).toContain("amount");
});
it("removes required entirely when no fields match merged properties", () => {
const tool = makeTool({
type: "object",
required: ["ghost_a", "ghost_b"],
anyOf: [
{
type: "object",
properties: {
real: { type: "string" },
},
},
],
});
const result = normalizeToolParameters(tool, {
modelProvider: "google",
});
const params = result.parameters as { required?: string[] };
expect(params.required).toBeUndefined();
});
it("drops inherited names like toString for Gemini", () => {
const tool = makeTool({
type: "object",
required: ["toString", "name"],
anyOf: [
{
type: "object",
properties: {
name: { type: "string" },
},
},
],
});
const result = normalizeToolParameters(tool, {
modelProvider: "google",
});
const params = result.parameters as { required?: string[] };
expect(params.required).toEqual(["name"]);
});
});
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(vorverarbeitet am 2026-04-27)
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