32 lines
913 B
Go
32 lines
913 B
Go
package sparkline
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import (
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"testing"
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)
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func TestSparkLine_trimOutOfRangeValues(t *testing.T) {
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type Sparkline struct {
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maxSize int
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expectedSize int
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values []float64
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}
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tests := []struct {
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name string
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sparkline Sparkline
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}{
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{"should trimOutOfRangeValues values to the max size", Sparkline{maxSize: 5, expectedSize: 5, values: []float64{1, 2, 3, 4, 5, 6, 7, 8}}},
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{"should not trimOutOfRangeValues values if max size is bigger than values len", Sparkline{maxSize: 5, expectedSize: 3, values: []float64{1, 2, 3}}},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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s := &SparkLine{
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values: tt.sparkline.values,
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}
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s.trimOutOfRangeValues(tt.sparkline.maxSize)
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if len(s.values) != tt.sparkline.expectedSize {
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t.Errorf("Values size after trimOutOfRangeValues is %v, but needed to be %v", len(s.values), tt.sparkline.expectedSize)
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}
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})
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}
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}
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