ced826581a
When a command (like `blender` or `ffmpeg`) outputs lines that are longer than our buffer, they are broken into buffer-sized chunks. Extra code has been added to ensure those chunks consist of valid UTF-8 characters.
34 lines
955 B
Go
34 lines
955 B
Go
package cli_runner
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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 TestSplitOnCharacterBoundary(t *testing.T) {
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// Test with strings, as those are easier to type.
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tests := []struct {
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name string
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input string
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wantValid string
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wantTail string
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}{
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{"empty", "", "", ""},
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{"trivial", "abc", "abc", ""},
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{"valid", "Stüvel", "Stüvel", ""},
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{"cats", "🐈🐈\xf0\x9f\x90\x88", "🐈🐈🐈", ""},
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{"truncated-cats-1", "🐈🐈\xf0\x9f\x90", "🐈🐈", "\xf0\x9f\x90"},
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{"truncated-cats-2", "🐈🐈\xf0\x9f", "🐈🐈", "\xf0\x9f"},
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{"truncated-cats-3", "🐈🐈\xf0", "🐈🐈", "\xf0"},
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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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gotValid, gotTail := splitOnCharacterBoundary([]byte(tt.input))
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assert.Equal(t, tt.input, string(gotValid)+string(gotTail))
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assert.Equal(t, tt.wantValid, string(gotValid))
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assert.Equal(t, tt.wantTail, string(gotTail))
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})
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}
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}
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