d9e84812ff
- Core library with SVG and PNG generation - CLI tool with generate and batch commands - Cross-platform path handling for Windows compatibility - Comprehensive test suite with integration tests
66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
package engine
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import (
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"math"
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"testing"
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)
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func TestNewTransform(t *testing.T) {
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transform := NewTransform(10, 20, 100, 1)
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if transform.x != 10 || transform.y != 20 || transform.size != 100 || transform.rotation != 1 {
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t.Errorf("NewTransform(10, 20, 100, 1) = %v, want {x:10, y:20, size:100, rotation:1}", transform)
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}
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}
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func TestTransformIconPoint(t *testing.T) {
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tests := []struct {
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transform Transform
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x, y, w, h float64
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expected Point
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}{
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// No rotation (0 degrees)
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{NewTransform(0, 0, 100, 0), 10, 20, 5, 5, Point{X: 10, Y: 20}},
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{NewTransform(10, 20, 100, 0), 5, 10, 0, 0, Point{X: 15, Y: 30}},
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// 90 degrees rotation
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{NewTransform(0, 0, 100, 1), 10, 20, 5, 5, Point{X: 75, Y: 10}},
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// 180 degrees rotation
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{NewTransform(0, 0, 100, 2), 10, 20, 5, 5, Point{X: 85, Y: 75}},
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// 270 degrees rotation
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{NewTransform(0, 0, 100, 3), 10, 20, 5, 5, Point{X: 20, Y: 85}},
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// Test rotation normalization (rotation > 3)
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{NewTransform(0, 0, 100, 4), 10, 20, 0, 0, Point{X: 10, Y: 20}}, // Same as rotation 0
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{NewTransform(0, 0, 100, 5), 10, 20, 5, 5, Point{X: 75, Y: 10}}, // Same as rotation 1
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}
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for _, tt := range tests {
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result := tt.transform.TransformIconPoint(tt.x, tt.y, tt.w, tt.h)
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if !approximatelyEqual(result.X, tt.expected.X) || !approximatelyEqual(result.Y, tt.expected.Y) {
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t.Errorf("Transform(%v).TransformIconPoint(%v, %v, %v, %v) = %v, want %v",
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tt.transform, tt.x, tt.y, tt.w, tt.h, result, tt.expected)
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}
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}
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}
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func TestNoTransform(t *testing.T) {
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if NoTransform.x != 0 || NoTransform.y != 0 || NoTransform.size != 0 || NoTransform.rotation != 0 {
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t.Errorf("NoTransform should be {x:0, y:0, size:0, rotation:0}, got %v", NoTransform)
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}
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// Test that NoTransform doesn't change points
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point := Point{X: 10, Y: 20}
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result := NoTransform.TransformIconPoint(point.X, point.Y, 0, 0)
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if result != point {
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t.Errorf("NoTransform should not change point %v, got %v", point, result)
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}
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}
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// approximatelyEqual checks if two float64 values are approximately equal
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func approximatelyEqual(a, b float64) bool {
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const epsilon = 1e-9
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return math.Abs(a-b) < epsilon
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}
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