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| 1 | +import { convertHeadersToObject } from "../headers" |
| 2 | + |
| 3 | +describe("convertHeadersToObject", () => { |
| 4 | + it("should convert headers array to object", () => { |
| 5 | + const headers: [string, string][] = [ |
| 6 | + ["Content-Type", "application/json"], |
| 7 | + ["Authorization", "Bearer token123"], |
| 8 | + ] |
| 9 | + |
| 10 | + const result = convertHeadersToObject(headers) |
| 11 | + |
| 12 | + expect(result).toEqual({ |
| 13 | + "Content-Type": "application/json", |
| 14 | + Authorization: "Bearer token123", |
| 15 | + }) |
| 16 | + }) |
| 17 | + |
| 18 | + it("should trim whitespace from keys and values", () => { |
| 19 | + const headers: [string, string][] = [ |
| 20 | + [" Content-Type ", " application/json "], |
| 21 | + [" Authorization ", " Bearer token123 "], |
| 22 | + ] |
| 23 | + |
| 24 | + const result = convertHeadersToObject(headers) |
| 25 | + |
| 26 | + expect(result).toEqual({ |
| 27 | + "Content-Type": "application/json", |
| 28 | + Authorization: "Bearer token123", |
| 29 | + }) |
| 30 | + }) |
| 31 | + |
| 32 | + it("should handle empty headers array", () => { |
| 33 | + const headers: [string, string][] = [] |
| 34 | + |
| 35 | + const result = convertHeadersToObject(headers) |
| 36 | + |
| 37 | + expect(result).toEqual({}) |
| 38 | + }) |
| 39 | + |
| 40 | + it("should skip headers with empty keys", () => { |
| 41 | + const headers: [string, string][] = [ |
| 42 | + ["Content-Type", "application/json"], |
| 43 | + ["", "This value should be skipped"], |
| 44 | + [" ", "This value should also be skipped"], |
| 45 | + ["Authorization", "Bearer token123"], |
| 46 | + ] |
| 47 | + |
| 48 | + const result = convertHeadersToObject(headers) |
| 49 | + |
| 50 | + expect(result).toEqual({ |
| 51 | + "Content-Type": "application/json", |
| 52 | + Authorization: "Bearer token123", |
| 53 | + }) |
| 54 | + |
| 55 | + // Specifically verify empty keys are not present |
| 56 | + expect(result[""]).toBeUndefined() |
| 57 | + expect(result[" "]).toBeUndefined() |
| 58 | + }) |
| 59 | + |
| 60 | + it("should use last occurrence when handling duplicate keys", () => { |
| 61 | + const headers: [string, string][] = [ |
| 62 | + ["Content-Type", "application/json"], |
| 63 | + ["Authorization", "Bearer token123"], |
| 64 | + ["Content-Type", "text/plain"], // Duplicate key - should override previous value |
| 65 | + ["Content-Type", "application/xml"], // Another duplicate - should override again |
| 66 | + ] |
| 67 | + |
| 68 | + const result = convertHeadersToObject(headers) |
| 69 | + |
| 70 | + // Verify the last value for "Content-Type" is used |
| 71 | + expect(result["Content-Type"]).toBe("application/xml") |
| 72 | + expect(result).toEqual({ |
| 73 | + "Content-Type": "application/xml", |
| 74 | + Authorization: "Bearer token123", |
| 75 | + }) |
| 76 | + }) |
| 77 | + |
| 78 | + it("should preserve case sensitivity while trimming keys", () => { |
| 79 | + const headers: [string, string][] = [ |
| 80 | + [" Content-Type", "application/json"], |
| 81 | + ["content-type ", "text/plain"], // Different casing (lowercase) with spacing |
| 82 | + ] |
| 83 | + |
| 84 | + const result = convertHeadersToObject(headers) |
| 85 | + |
| 86 | + // Keys should be trimmed but case sensitivity preserved |
| 87 | + // JavaScript object keys are case-sensitive |
| 88 | + expect(Object.keys(result)).toHaveLength(2) |
| 89 | + expect(result["Content-Type"]).toBe("application/json") |
| 90 | + expect(result["content-type"]).toBe("text/plain") |
| 91 | + }) |
| 92 | + |
| 93 | + it("should handle empty values", () => { |
| 94 | + const headers: [string, string][] = [ |
| 95 | + ["Empty-Value", ""], |
| 96 | + ["Whitespace-Value", " "], |
| 97 | + ] |
| 98 | + |
| 99 | + const result = convertHeadersToObject(headers) |
| 100 | + |
| 101 | + // Empty values should be included but trimmed |
| 102 | + expect(result["Empty-Value"]).toBe("") |
| 103 | + expect(result["Whitespace-Value"]).toBe("") |
| 104 | + }) |
| 105 | + |
| 106 | + it("should handle complex duplicate key scenarios with mixed casing and spacing", () => { |
| 107 | + const headers: [string, string][] = [ |
| 108 | + ["content-type", "application/json"], // Original entry |
| 109 | + [" Content-Type ", "text/html"], // Different case with spacing |
| 110 | + ["content-type", "application/xml"], // Same case as first, should override it |
| 111 | + ["Content-Type", "text/plain"], // Same case as second, should override it |
| 112 | + ] |
| 113 | + |
| 114 | + const result = convertHeadersToObject(headers) |
| 115 | + |
| 116 | + // JavaScript object keys are case-sensitive |
| 117 | + // We should have two keys with different cases, each with the last value |
| 118 | + expect(Object.keys(result).sort()).toEqual(["Content-Type", "content-type"].sort()) |
| 119 | + expect(result["content-type"]).toBe("application/xml") |
| 120 | + expect(result["Content-Type"]).toBe("text/plain") |
| 121 | + }) |
| 122 | +}) |
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