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Stub out tcell.NewScreen so tests can pass headless.

This commit is contained in:
Jakub Sobon 2020-06-20 14:00:05 -04:00
parent d7aef3106b
commit 4beaac9cca
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GPG Key ID: F2451A77FB05D3B7
2 changed files with 11 additions and 2 deletions
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8
terminal/tcell/tcell.go
View File

@ -16,6 +16,7 @@ package tcell
import (
"context"
"fmt"
"image"
"github.com/gdamore/tcell"
@ -79,11 +80,14 @@ type Terminal struct {
clearStyle *cell.Options
}
// tcellNewScreen can be overridden from tests.
var tcellNewScreen = tcell.NewScreen
// newTerminal creates the terminal and applies the options.
func newTerminal(opts ...Option) (*Terminal, error) {
screen, err := tcell.NewScreen()
screen, err := tcellNewScreen()
if err != nil {
return nil, err
return nil, fmt.Errorf("tcell.NewScreen => %v", err)
}
t := &Terminal{

5
terminal/tcell/tcell_test.go
View File

@ -17,6 +17,7 @@ package tcell
import (
"testing"
"github.com/gdamore/tcell"
"github.com/kylelemons/godebug/pretty"
"github.com/mum4k/termdash/cell"
"github.com/mum4k/termdash/terminal/terminalapi"
@ -45,11 +46,13 @@ func TestNewTerminalColorMode(t *testing.T) {
},
}
tcellNewScreen = func() (tcell.Screen, error) { return nil, nil }
for _, tc := range tests {
t.Run(tc.desc, func(t *testing.T) {
got, err := newTerminal(tc.opts...)
if err != nil {
t.Errorf("newTerminal => unexpected error:\n%v", err)
return
}
// Ignore these fields.
@ -96,11 +99,13 @@ func TestNewTerminalClearStyle(t *testing.T) {
},
}
tcellNewScreen = func() (tcell.Screen, error) { return nil, nil }
for _, tc := range tests {
t.Run(tc.desc, func(t *testing.T) {
got, err := newTerminal(tc.opts...)
if err != nil {
t.Errorf("newTerminal => unexpected error:\n%v", err)
return
}
// Ignore these fields.