wehub-resource-sync
65 lines
2.2 KiB
TypeScript
65 lines
2.2 KiB
TypeScript
/**
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* Tests for resolveImageAsDataUri helper function.
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*/
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import test from "node:test";
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import assert from "node:assert/strict";
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import { resolveImageAsDataUri } from "@/lib/guardrails/visionBridgeHelpers";
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test("resolveImageAsDataUri passes through HTTPS URL as-is", () => {
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const url = "https://example.com/image.png";
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const result = resolveImageAsDataUri(url);
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assert.strictEqual(result, url);
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});
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test("resolveImageAsDataUri passes through HTTP URL as-is", () => {
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const url = "http://example.com/image.png";
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const result = resolveImageAsDataUri(url);
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assert.strictEqual(result, url);
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});
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test("resolveImageAsDataUri passes through data URI as-is", () => {
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const dataUri =
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"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==";
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const result = resolveImageAsDataUri(dataUri);
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assert.strictEqual(result, dataUri);
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});
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test("resolveImageAsDataUri converts base64 string to PNG data URI", () => {
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const base64 =
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"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==";
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const result = resolveImageAsDataUri(base64);
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assert.strictEqual(result, `data:image/png;base64,${base64}`);
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});
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test("resolveImageAsDataUri throws for empty string", () => {
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assert.throws(() => {
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resolveImageAsDataUri("");
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}, /Invalid image URL/);
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});
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test("resolveImageAsDataUri throws for null", () => {
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assert.throws(() => {
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resolveImageAsDataUri(null as unknown as string);
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}, /Invalid image URL/);
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});
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test("resolveImageAsDataUri throws for undefined", () => {
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assert.throws(() => {
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resolveImageAsDataUri(undefined as unknown as string);
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}, /Invalid image URL/);
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});
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test("resolveImageAsDataUri handles data URI with different media types", () => {
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const jpegUri = "data:image/jpeg;base64,/9j/4AAQSkZJRg==";
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const result = resolveImageAsDataUri(jpegUri);
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assert.strictEqual(result, jpegUri);
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});
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test("resolveImageAsDataUri treats plain base64 with prefix as data URI", () => {
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// If it doesn't start with data: or http, treat as raw base64
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const rawBase64 = "abcdef123456==";
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const result = resolveImageAsDataUri(rawBase64);
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assert.strictEqual(result, "data:image/png;base64,abcdef123456==");
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});
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