// Copyright © 2014 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.

package jwalterweatherman

import (
    "bytes"
    "github.com/stretchr/testify/assert"
    "testing"
)

func TestLevels(t *testing.T) {
    SetOutputThreshold(LevelError)
    assert.Equal(t, OutputThreshold(), LevelError)
    SetLogThreshold(LevelCritical)
    assert.Equal(t, LogThreshold(), LevelCritical)
    assert.NotEqual(t, OutputThreshold(), LevelCritical)
    SetOutputThreshold(LevelWarn)
    assert.Equal(t, OutputThreshold(), LevelWarn)
}

func TestDefaultLogging(t *testing.T) {
    outputBuf := new(bytes.Buffer)
    logBuf := new(bytes.Buffer)
    LogHandle = logBuf
    OutHandle = outputBuf

    SetLogThreshold(LevelWarn)
    SetOutputThreshold(LevelError)

    FATAL.Println("fatal err")
    CRITICAL.Println("critical err")
    ERROR.Println("an error")
    WARN.Println("a warning")
    INFO.Println("information")
    DEBUG.Println("debugging info")
    TRACE.Println("trace")

    assert.Contains(t, logBuf.String(), "fatal err")
    assert.Contains(t, logBuf.String(), "critical err")
    assert.Contains(t, logBuf.String(), "an error")
    assert.Contains(t, logBuf.String(), "a warning")
    assert.NotContains(t, logBuf.String(), "information")
    assert.NotContains(t, logBuf.String(), "debugging info")
    assert.NotContains(t, logBuf.String(), "trace")

    assert.Contains(t, outputBuf.String(), "fatal err")
    assert.Contains(t, outputBuf.String(), "critical err")
    assert.Contains(t, outputBuf.String(), "an error")
    assert.NotContains(t, outputBuf.String(), "a warning")
    assert.NotContains(t, outputBuf.String(), "information")
    assert.NotContains(t, outputBuf.String(), "debugging info")
    assert.NotContains(t, outputBuf.String(), "trace")
}