packer-cn/packer/build_test.go

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package packer
import (
"cgl.tideland.biz/asserts"
"testing"
)
type TestBuilder struct {
prepareCalled bool
prepareConfig interface{}
runCalled bool
runBuild *Build
runUi Ui
}
func (tb *TestBuilder) Prepare(config interface{}) {
tb.prepareCalled = true
tb.prepareConfig = config
}
func (tb *TestBuilder) Run(b *Build, ui Ui) {
tb.runCalled = true
tb.runBuild = b
tb.runUi = ui
}
func testBuild() *Build {
return &Build{
name: "test",
builder: &TestBuilder{},
}
}
func TestBuild_Prepare(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
build := testBuild()
build.Prepare(42)
builder := build.builder.(*TestBuilder)
assert.True(builder.prepareCalled, "prepare should be called")
assert.Equal(builder.prepareConfig, 42, "prepare config should be 42")
}
func TestBuild_Run(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
ui := testUi()
build := testBuild()
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build.Prepare(nil)
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build.Run(ui)
builder := build.builder.(*TestBuilder)
assert.True(builder.runCalled, "run should be called")
assert.Equal(builder.runBuild, build, "run should be called with build")
assert.Equal(builder.runUi, ui, "run should be called with ui")
}
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func TestBuild_RunBeforePrepare(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
defer func() {
p := recover()
assert.NotNil(p, "should panic")
assert.Equal(p.(string), "Prepare must be called first", "right panic")
}()
testBuild().Run(testUi())
}