asteris-llc/converge

// Copyright © 2016 Asteris, LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package unit

import (
    "testing"

    "github.com/asteris-llc/converge/helpers/fakerenderer"
    "github.com/asteris-llc/converge/resource"
    "github.com/stretchr/testify/assert"
    "github.com/stretchr/testify/require"
    "golang.org/x/net/context"
)

func TestPreparerInterface(t *testing.T) {
    t.Parallel()
    assert.Implements(t, (*resource.Resource)(nil), new(Preparer))
}

// TestPreparer runs a test
func TestPreparer(t *testing.T) {
    t.Parallel()

    t.Run("sets-signal-when-signal-name", func(t *testing.T) {
        t.Parallel()
        t.Run("when-uppercase", func(t *testing.T) {
            t.Parallel()
            p := &Preparer{
                SignalName: "KILL",
                executor:   &ExecutorMock{},
            }
            res, err := p.Prepare(context.Background(), fakerenderer.New())
            require.NoError(t, err)
            assert.Equal(t, "SIGKILL", res.(*Resource).SignalName)
            assert.Equal(t, uint(9), res.(*Resource).SignalNumber)
            assert.True(t, res.(*Resource).sendSignal)
        })
        t.Run("when-lowercase", func(t *testing.T) {
            t.Parallel()
            p := &Preparer{
                SignalName: "kill",
                executor:   &ExecutorMock{},
            }
            res, err := p.Prepare(context.Background(), fakerenderer.New())
            require.NoError(t, err)
            assert.Equal(t, "SIGKILL", res.(*Resource).SignalName)
            assert.Equal(t, uint(9), res.(*Resource).SignalNumber)
            assert.True(t, res.(*Resource).sendSignal)
        })
        t.Run("when-sig-prefix", func(t *testing.T) {
            t.Parallel()
            p := &Preparer{
                SignalName: "sigkill",
                executor:   &ExecutorMock{},
            }
            res, err := p.Prepare(context.Background(), fakerenderer.New())
            require.NoError(t, err)
            assert.Equal(t, "SIGKILL", res.(*Resource).SignalName)
            assert.Equal(t, uint(9), res.(*Resource).SignalNumber)
            assert.True(t, res.(*Resource).sendSignal)
        })
        t.Run("when-mixed-case", func(t *testing.T) {
            t.Parallel()
            p := &Preparer{
                SignalName: randomizeCase("sigkill"),
                executor:   &ExecutorMock{},
            }
            res, err := p.Prepare(context.Background(), fakerenderer.New())
            require.NoError(t, err)
            assert.Equal(t, "SIGKILL", res.(*Resource).SignalName)
            assert.Equal(t, uint(9), res.(*Resource).SignalNumber)
            assert.True(t, res.(*Resource).sendSignal)
        })
        t.Run("when-invalid", func(t *testing.T) {
            t.Parallel()
            p := &Preparer{
                SignalName: randomizeCase("badsignal1"),
                executor:   &ExecutorMock{},
            }
            _, err := p.Prepare(context.Background(), fakerenderer.New())
            require.Error(t, err)
        })
    })
    t.Run("sets-signal-when-signal-number", func(t *testing.T) {
        t.Parallel()
        t.Run("when-valid", func(t *testing.T) {
            t.Parallel()
            p := &Preparer{
                SignalNumber: 9,
                executor:     &ExecutorMock{},
            }
            res, err := p.Prepare(context.Background(), fakerenderer.New())
            require.NoError(t, err)
            assert.Equal(t, "SIGKILL", res.(*Resource).SignalName)
            assert.Equal(t, uint(9), res.(*Resource).SignalNumber)
            assert.True(t, res.(*Resource).sendSignal)
        })
        t.Run("when-invalid", func(t *testing.T) {
            t.Parallel()
            p := &Preparer{
                SignalNumber: 99,
                executor:     &ExecutorMock{},
            }
            _, err := p.Prepare(context.Background(), fakerenderer.New())
            require.Error(t, err)
        })
    })
    t.Run("sets-fields", func(t *testing.T) {
        t.Parallel()
        res, err := (&Preparer{
            Name:     "test1",
            State:    "state1",
            Reload:   true,
            executor: &ExecutorMock{},
        }).Prepare(context.Background(), fakerenderer.New())
        require.NoError(t, err)
        assert.Equal(t, "test1", res.(*Resource).Name)
        assert.Equal(t, "state1", res.(*Resource).State)
        assert.True(t, res.(*Resource).Reload)
        assert.False(t, res.(*Resource).sendSignal)
        assert.Equal(t, "", res.(*Resource).SignalName)
        assert.Equal(t, uint(0), res.(*Resource).SignalNumber)
    })

}