})
Context("when namespace execute fails", func() {
BeforeEach(func() {
namespace.ExecuteReturns(errors.New("go away"))
})
It("wraps and propagates the error", func() {
err := inNamespace.Execute(context)
Expect(err).To(MatchError("execute in namespace: go away"))
})
})
Context("when the target command fails", func() {
BeforeEach(func() {
command.ExecuteReturns(errors.New("i died"))
})
It("wraps and propagates the error", func() {
err := inNamespace.Execute(context)
Expect(err).To(MatchError("execute in namespace: i died"))
})
})
Describe("String", func() {
It("describes itself", func() {
Expect(inNamespace.String()).To(Equal("ip netns exec namespace-name some-command"))
})
})
})
Expect(err).NotTo(HaveOccurred())
Expect(command1.ExecuteCallCount()).To(Equal(1))
Expect(command1.ExecuteArgsForCall(0)).To(Equal(context))
Expect(command2.ExecuteCallCount()).To(Equal(1))
Expect(command2.ExecuteArgsForCall(0)).To(Equal(context))
Expect(command3.ExecuteCallCount()).To(Equal(1))
Expect(command3.ExecuteArgsForCall(0)).To(Equal(context))
})
})
Context("when a command returns an error", func() {
BeforeEach(func() {
command2.ExecuteReturns(errors.New("go away"))
})
It("wraps the error with contextual information", func() {
err := all.Execute(context)
Expect(err.Error()).To(Equal("go away: commands: (\n" +
" some-command 1 &&\n" +
"--> some-command 2 &&\n" +
" some-command 3\n" +
")"))
})
It("makes the original error available", func() {
err := all.Execute(context)
Expect(err).To(HaveOccurred())