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The row is reserved for as long as such a menu is open, even while it is still hidden, so that it can appear without moving the menu. That costs two rows of the popup, which is why the screen has to be a little taller before a menu is worth showing at all. The prompt in front of the input field is dropped when the row gets too narrow to type in, and the keybindings menu says what '@' does when it still fits. Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
32 lines
1 KiB
Go
32 lines
1 KiB
Go
package helpers
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestMenuFilterPrompt(t *testing.T) {
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longPrompt := "Filter ('@' for keybindings): "
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shortPrompt := "Filter: "
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tests := []struct {
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name string
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candidates []string
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contentWidth int
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expected string
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}{
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{name: "room for four characters", candidates: []string{shortPrompt}, contentWidth: 12, expected: shortPrompt},
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{name: "room for three characters", candidates: []string{shortPrompt}, contentWidth: 11, expected: ""},
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{name: "prefers the first candidate", candidates: []string{longPrompt, shortPrompt}, contentWidth: 34, expected: longPrompt},
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{name: "falls back to the next one", candidates: []string{longPrompt, shortPrompt}, contentWidth: 33, expected: shortPrompt},
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{name: "measures display width", candidates: []string{"篩選: "}, contentWidth: 9, expected: ""},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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assert.Equal(t, test.expected, menuFilterPrompt(test.candidates, test.contentWidth))
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})
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}
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}
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