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| 1 | +import { type MetaData, generateMeta } from "./metadata" |
| 2 | + |
| 3 | +describe("generateMeta suite", () => { |
| 4 | + const baseMetaData: MetaData = { |
| 5 | + title: "Test Page", |
| 6 | + description: "This is a test page.", |
| 7 | + url: "https://example.com", |
| 8 | + image: "", |
| 9 | + } |
| 10 | + |
| 11 | + const baseExpected = [ |
| 12 | + { title: "Test Page" }, |
| 13 | + { property: "og:title", content: "Test Page" }, |
| 14 | + { property: "og:description", name: "description", content: "This is a test page." }, |
| 15 | + { property: "og:url", content: "https://example.com" }, |
| 16 | + { name: "twitter:card", property: "twitter:card", content: "summary_large_image" }, |
| 17 | + ] |
| 18 | + |
| 19 | + it("generates meta tags with required fields", () => { |
| 20 | + expect(generateMeta(baseMetaData)).toEqual(baseExpected) |
| 21 | + }) |
| 22 | + |
| 23 | + it("includes og:image if image is provided", () => { |
| 24 | + const metaData = { ...baseMetaData, image: "https://picsum.photos/200/300" } |
| 25 | + expect(generateMeta(metaData)).toEqual([ |
| 26 | + ...baseExpected, |
| 27 | + { property: "og:image", content: "https://picsum.photos/200/300" }, |
| 28 | + ]) |
| 29 | + }) |
| 30 | + |
| 31 | + it("includes og:site_name if siteName is provided", () => { |
| 32 | + const metaData = { ...baseMetaData, siteName: "Example Site" } |
| 33 | + expect(generateMeta(metaData)).toEqual([...baseExpected, { name: "og:site_name", content: "Example Site" }]) |
| 34 | + }) |
| 35 | + |
| 36 | + it("uses custom twitterCard if provided", () => { |
| 37 | + const metaData = { ...baseMetaData, twitterCard: "summary" } |
| 38 | + const expected = baseExpected.map((tag) => |
| 39 | + tag.name === "twitter:card" ? { name: "twitter:card", property: "twitter:card", content: "summary" } : tag |
| 40 | + ) |
| 41 | + expect(generateMeta(metaData)).toEqual(expected) |
| 42 | + }) |
| 43 | + |
| 44 | + it("includes additional meta descriptors", () => { |
| 45 | + const metaData = { ...baseMetaData, image: "https://picsum.photos/200/300" } |
| 46 | + const additional = [ |
| 47 | + { property: "og:type", content: "website" }, |
| 48 | + { name: "twitter:site", content: "@example" }, |
| 49 | + ] |
| 50 | + |
| 51 | + expect(generateMeta(metaData, additional)).toEqual([ |
| 52 | + ...baseExpected, |
| 53 | + { property: "og:image", content: "https://picsum.photos/200/300" }, |
| 54 | + ...additional, |
| 55 | + ]) |
| 56 | + }) |
| 57 | + |
| 58 | + it("handles empty additional data array", () => { |
| 59 | + const metaData = { ...baseMetaData, image: "https://picsum.photos/200/300" } |
| 60 | + expect(generateMeta(metaData, [])).toEqual([ |
| 61 | + ...baseExpected, |
| 62 | + { property: "og:image", content: "https://picsum.photos/200/300" }, |
| 63 | + ]) |
| 64 | + }) |
| 65 | +}) |
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