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Merge pull request #81 from cli/enable-virtual-terminal-processing-fix
Fix non-Windows terminals assumed to always support 256-color
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Original file line number | Diff line number | Diff line change |
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// Package term provides information about the terminal that the current process is connected to (if any), | ||
// for example measuring the dimensions of the terminal and inspecting whether it's safe to output color. | ||
package term | ||
|
||
import ( | ||
"testing" | ||
) | ||
|
||
func TestFromEnv(t *testing.T) { | ||
tests := []struct { | ||
name string | ||
env map[string]string | ||
wantTerminal bool | ||
wantColor bool | ||
want256Color bool | ||
wantTrueColor bool | ||
}{ | ||
{ | ||
name: "default", | ||
env: map[string]string{ | ||
"GH_FORCE_TTY": "", | ||
"CLICOLOR": "", | ||
"CLICOLOR_FORCE": "", | ||
"NO_COLOR": "", | ||
"TERM": "", | ||
"COLORTERM": "", | ||
}, | ||
wantTerminal: false, | ||
wantColor: false, | ||
want256Color: false, | ||
wantTrueColor: false, | ||
}, | ||
{ | ||
name: "force color", | ||
env: map[string]string{ | ||
"GH_FORCE_TTY": "", | ||
"CLICOLOR": "", | ||
"CLICOLOR_FORCE": "1", | ||
"NO_COLOR": "", | ||
"TERM": "", | ||
"COLORTERM": "", | ||
}, | ||
wantTerminal: false, | ||
wantColor: true, | ||
want256Color: false, | ||
wantTrueColor: false, | ||
}, | ||
{ | ||
name: "force tty", | ||
env: map[string]string{ | ||
"GH_FORCE_TTY": "true", | ||
"CLICOLOR": "", | ||
"CLICOLOR_FORCE": "", | ||
"NO_COLOR": "", | ||
"TERM": "", | ||
"COLORTERM": "", | ||
}, | ||
wantTerminal: true, | ||
wantColor: true, | ||
want256Color: false, | ||
wantTrueColor: false, | ||
}, | ||
{ | ||
name: "has 256-color support", | ||
env: map[string]string{ | ||
"GH_FORCE_TTY": "true", | ||
"CLICOLOR": "", | ||
"CLICOLOR_FORCE": "", | ||
"NO_COLOR": "", | ||
"TERM": "256-color", | ||
"COLORTERM": "", | ||
}, | ||
wantTerminal: true, | ||
wantColor: true, | ||
want256Color: true, | ||
wantTrueColor: false, | ||
}, | ||
{ | ||
name: "has truecolor support", | ||
env: map[string]string{ | ||
"GH_FORCE_TTY": "true", | ||
"CLICOLOR": "", | ||
"CLICOLOR_FORCE": "", | ||
"NO_COLOR": "", | ||
"TERM": "truecolor", | ||
"COLORTERM": "", | ||
}, | ||
wantTerminal: true, | ||
wantColor: true, | ||
want256Color: true, | ||
wantTrueColor: true, | ||
}, | ||
} | ||
for _, tt := range tests { | ||
t.Run(tt.name, func(t *testing.T) { | ||
for key, value := range tt.env { | ||
t.Setenv(key, value) | ||
} | ||
terminal := FromEnv() | ||
if got := terminal.IsTerminalOutput(); got != tt.wantTerminal { | ||
t.Errorf("expected terminal %v, got %v", tt.wantTerminal, got) | ||
} | ||
if got := terminal.IsColorEnabled(); got != tt.wantColor { | ||
t.Errorf("expected color %v, got %v", tt.wantColor, got) | ||
} | ||
if got := terminal.Is256ColorSupported(); got != tt.want256Color { | ||
t.Errorf("expected 256-color %v, got %v", tt.want256Color, got) | ||
} | ||
if got := terminal.IsTrueColorSupported(); got != tt.wantTrueColor { | ||
t.Errorf("expected truecolor %v, got %v", tt.wantTrueColor, got) | ||
} | ||
}) | ||
} | ||
} |