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package mint
import (
"fmt"
"testing"
)
var logLine = ""
func testLogFunction(format string, v ...interface{}) {
logLine = fmt.Sprintf(format, v...)
}
func TestLogging(t *testing.T) {
originalLogFunction := logFunction
originalLogAll := logAll
originalLogSettings := logSettings
logAll = false
logSettings = map[string]bool{}
env := []string{"MINT_LOG=*"}
parseLogEnv(env)
assertTrue(t, logAll, "Failed to parse wildcard log directive")
assertTrue(t, len(logSettings) == 0, "Mistakenly set log settings")
logAll = false
logSettings = map[string]bool{}
env = []string{"MINT_LOG=foo,bar"}
parseLogEnv(env)
assertTrue(t, !logAll, "Mistakenly set logAll")
assertTrue(t, logSettings["foo"] && logSettings["bar"], "Failed to parse string log directive")
logFunction = testLogFunction
logAll = false
logSettings = map[string]bool{"foo": true}
// Test that we print matching lines
logLine = ""
logf("foo", "This is an integer: %d", 1)
assertEquals(t, logLine, "[foo] This is an integer: 1")
// Test that we ignore non-matching lines
logLine = ""
logf("bar", "This is an integer: %d", 1)
assertEquals(t, logLine, "")
// Test that logAll enables all
logAll = true
logLine = ""
logf("bar", "This is an integer: %d", 1)
assertEquals(t, logLine, "[bar] This is an integer: 1")
// Restore original values for globals
logFunction = originalLogFunction
logAll = originalLogAll
logSettings = originalLogSettings
}
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