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| 1 | +import { render, screen, fireEvent } from "@testing-library/react"; |
| 2 | +import "@testing-library/jest-dom"; |
| 3 | + |
| 4 | +import ImageComponent from "../../components/ImageComponent"; |
| 5 | + |
| 6 | +const mockImageData = { |
| 7 | + component: "image" as const, |
| 8 | + id: "test-id", |
| 9 | + image: |
| 10 | + "https://image.tmdb.org/t/p/w440_and_h660_face/uXDfjJbdP4ijW5hWSBrPrlKpxab.jpg", |
| 11 | + title: "Toy Story Poster", |
| 12 | +}; |
| 13 | + |
| 14 | +describe("ImageComponent", () => { |
| 15 | + const defaultProps = { |
| 16 | + component: "image" as const, |
| 17 | + id: mockImageData.id, |
| 18 | + image: mockImageData.image, |
| 19 | + title: mockImageData.title, |
| 20 | + }; |
| 21 | + |
| 22 | + it("renders with required props", () => { |
| 23 | + render(<ImageComponent {...defaultProps} />); |
| 24 | + |
| 25 | + expect(screen.getByText("Toy Story Poster")).toBeInTheDocument(); |
| 26 | + expect( |
| 27 | + screen.getByRole("img", { name: "Toy Story Poster" }) |
| 28 | + ).toBeInTheDocument(); |
| 29 | + expect(screen.getByRole("img")).toHaveAttribute("src", mockImageData.image); |
| 30 | + }); |
| 31 | + |
| 32 | + it("renders image with correct attributes", () => { |
| 33 | + render(<ImageComponent {...defaultProps} />); |
| 34 | + |
| 35 | + const image = screen.getByRole("img"); |
| 36 | + expect(image).toHaveAttribute("src", mockImageData.image); |
| 37 | + expect(image).toHaveAttribute("alt", "Toy Story Poster"); |
| 38 | + expect(image).toHaveStyle("width: 100%"); |
| 39 | + expect(image).toHaveStyle("height: auto"); |
| 40 | + expect(image).toHaveStyle("object-fit: cover"); |
| 41 | + expect(image).toHaveStyle( |
| 42 | + "border-radius: var(--pf-global--BorderRadius--sm)" |
| 43 | + ); |
| 44 | + }); |
| 45 | + |
| 46 | + it("applies correct card styling", () => { |
| 47 | + render(<ImageComponent {...defaultProps} />); |
| 48 | + |
| 49 | + const card = screen.getByRole("img").closest('[data-testid="card"]') || |
| 50 | + screen.getByRole("img").closest('div'); |
| 51 | + expect(card).toBeInTheDocument(); |
| 52 | + }); |
| 53 | + |
| 54 | + it("applies custom id and className", () => { |
| 55 | + const customId = "custom-test-id"; |
| 56 | + const customClassName = "custom-class"; |
| 57 | + |
| 58 | + render( |
| 59 | + <ImageComponent |
| 60 | + {...defaultProps} |
| 61 | + id={customId} |
| 62 | + className={customClassName} |
| 63 | + /> |
| 64 | + ); |
| 65 | + |
| 66 | + const card = screen.getByRole("img").closest('[id="custom-test-id"]'); |
| 67 | + expect(card).toBeInTheDocument(); |
| 68 | + expect(card).toHaveClass(customClassName); |
| 69 | + }); |
| 70 | + |
| 71 | + it("renders placeholder when image is null", () => { |
| 72 | + render(<ImageComponent {...defaultProps} image={null} />); |
| 73 | + |
| 74 | + expect(screen.queryByRole("img")).not.toBeInTheDocument(); |
| 75 | + expect(screen.getByText("No image provided")).toBeInTheDocument(); |
| 76 | + |
| 77 | + const placeholder = screen.getByText("No image provided"); |
| 78 | + expect(placeholder).toHaveStyle("width: 100%"); |
| 79 | + expect(placeholder).toHaveStyle("height: 200px"); |
| 80 | + expect(placeholder).toHaveStyle( |
| 81 | + "background-color: var(--pf-global--Color--200)" |
| 82 | + ); |
| 83 | + expect(placeholder).toHaveStyle( |
| 84 | + "border-radius: var(--pf-global--BorderRadius--sm)" |
| 85 | + ); |
| 86 | + expect(placeholder).toHaveStyle("display: flex"); |
| 87 | + expect(placeholder).toHaveStyle("align-items: center"); |
| 88 | + expect(placeholder).toHaveStyle("justify-content: center"); |
| 89 | + expect(placeholder).toHaveStyle("color: var(--pf-global--Color--300)"); |
| 90 | + }); |
| 91 | + |
| 92 | + it("renders placeholder when image is undefined", () => { |
| 93 | + const { image: _image, ...propsWithoutImage } = defaultProps; |
| 94 | + void _image; // Acknowledge unused variable |
| 95 | + |
| 96 | + render(<ImageComponent {...propsWithoutImage} />); |
| 97 | + |
| 98 | + expect(screen.queryByRole("img")).not.toBeInTheDocument(); |
| 99 | + expect(screen.getByText("No image provided")).toBeInTheDocument(); |
| 100 | + }); |
| 101 | + |
| 102 | + it("renders placeholder when image is empty string", () => { |
| 103 | + render(<ImageComponent {...defaultProps} image="" />); |
| 104 | + |
| 105 | + expect(screen.queryByRole("img")).not.toBeInTheDocument(); |
| 106 | + expect(screen.getByText("No image provided")).toBeInTheDocument(); |
| 107 | + }); |
| 108 | + |
| 109 | + it("handles image load error", () => { |
| 110 | + render(<ImageComponent {...defaultProps} />); |
| 111 | + |
| 112 | + const image = screen.getByRole("img"); |
| 113 | + expect(image).toBeInTheDocument(); |
| 114 | + |
| 115 | + // Simulate image load error |
| 116 | + fireEvent.error(image); |
| 117 | + |
| 118 | + // After error, image should be hidden and error message should appear |
| 119 | + expect(screen.queryByRole("img")).not.toBeInTheDocument(); |
| 120 | + |
| 121 | + // Check that error message is displayed |
| 122 | + const errorMessage = screen.getByText("Image failed to load"); |
| 123 | + expect(errorMessage).toBeInTheDocument(); |
| 124 | + expect(errorMessage).toHaveStyle("width: 100%"); |
| 125 | + expect(errorMessage).toHaveStyle("height: 200px"); |
| 126 | + expect(errorMessage).toHaveStyle( |
| 127 | + "background-color: var(--pf-global--Color--200)" |
| 128 | + ); |
| 129 | + expect(errorMessage).toHaveStyle( |
| 130 | + "border-radius: var(--pf-global--BorderRadius--sm)" |
| 131 | + ); |
| 132 | + expect(errorMessage).toHaveStyle("display: flex"); |
| 133 | + expect(errorMessage).toHaveStyle("align-items: center"); |
| 134 | + expect(errorMessage).toHaveStyle("justify-content: center"); |
| 135 | + expect(errorMessage).toHaveStyle("color: var(--pf-global--Color--300)"); |
| 136 | + }); |
| 137 | + |
| 138 | + it("renders with different image URLs", () => { |
| 139 | + const testImageUrl = "https://example.com/test-image.jpg"; |
| 140 | + |
| 141 | + render(<ImageComponent {...defaultProps} image={testImageUrl} />); |
| 142 | + |
| 143 | + const image = screen.getByRole("img"); |
| 144 | + expect(image).toHaveAttribute("src", testImageUrl); |
| 145 | + expect(image).toHaveAttribute("alt", "Toy Story Poster"); |
| 146 | + }); |
| 147 | + |
| 148 | + it("renders with different titles", () => { |
| 149 | + const testTitle = "Different Movie Title"; |
| 150 | + |
| 151 | + render(<ImageComponent {...defaultProps} title={testTitle} />); |
| 152 | + |
| 153 | + expect(screen.getByText(testTitle)).toBeInTheDocument(); |
| 154 | + |
| 155 | + const image = screen.getByRole("img"); |
| 156 | + expect(image).toHaveAttribute("alt", testTitle); |
| 157 | + }); |
| 158 | + |
| 159 | + it("renders with different IDs", () => { |
| 160 | + const testId = "different-test-id"; |
| 161 | + |
| 162 | + render(<ImageComponent {...defaultProps} id={testId} />); |
| 163 | + |
| 164 | + const card = screen.getByRole("img").closest('[id="different-test-id"]'); |
| 165 | + expect(card).toBeInTheDocument(); |
| 166 | + }); |
| 167 | + |
| 168 | + it("handles very long titles", () => { |
| 169 | + const longTitle = |
| 170 | + "This is a very long title that might wrap to multiple lines and should still be displayed correctly"; |
| 171 | + |
| 172 | + render(<ImageComponent {...defaultProps} title={longTitle} />); |
| 173 | + |
| 174 | + expect(screen.getByText(longTitle)).toBeInTheDocument(); |
| 175 | + }); |
| 176 | + |
| 177 | + it("handles special characters in title", () => { |
| 178 | + const specialTitle = "Movie Title with Special Characters: @#$%^&*()"; |
| 179 | + |
| 180 | + render(<ImageComponent {...defaultProps} title={specialTitle} />); |
| 181 | + |
| 182 | + expect(screen.getByText(specialTitle)).toBeInTheDocument(); |
| 183 | + |
| 184 | + const image = screen.getByRole("img"); |
| 185 | + expect(image).toHaveAttribute("alt", specialTitle); |
| 186 | + }); |
| 187 | + |
| 188 | + it("applies consistent styling across different scenarios", () => { |
| 189 | + const { rerender } = render(<ImageComponent {...defaultProps} />); |
| 190 | + |
| 191 | + // Test with image |
| 192 | + const image = screen.getByRole("img"); |
| 193 | + expect(image).toHaveStyle("width: 100%"); |
| 194 | + expect(image).toHaveStyle("height: auto"); |
| 195 | + expect(image).toHaveStyle("object-fit: cover"); |
| 196 | + |
| 197 | + // Test without image |
| 198 | + rerender(<ImageComponent {...defaultProps} image={null} />); |
| 199 | + const placeholder = screen.getByText("No image provided"); |
| 200 | + expect(placeholder).toHaveStyle("width: 100%"); |
| 201 | + expect(placeholder).toHaveStyle("height: 200px"); |
| 202 | + }); |
| 203 | + |
| 204 | + it("maintains accessibility with proper alt text", () => { |
| 205 | + render(<ImageComponent {...defaultProps} />); |
| 206 | + |
| 207 | + const image = screen.getByRole("img"); |
| 208 | + expect(image).toHaveAttribute("alt", mockImageData.title); |
| 209 | + |
| 210 | + // Alt text should match the title |
| 211 | + expect(image.getAttribute("alt")).toBe("Toy Story Poster"); |
| 212 | + }); |
| 213 | +}); |
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