func (s *EnvironmentCommandSuite) TestEnvironCommandInitErrors(c *gc.C) {
envPath := gitjujutesting.HomePath(".juju", "environments.yaml")
err := os.Remove(envPath)
c.Assert(err, gc.IsNil)
cmd, _ := prepareEnvCommand(c, "")
err = cmd.Init(nil)
c.Assert(err, jc.Satisfies, environs.IsNoEnv)
// If there are multiple environments but no default,
// an error should be returned.
coretesting.WriteEnvironments(c, coretesting.MultipleEnvConfigNoDefault)
cmd, _ = prepareEnvCommand(c, "")
err = cmd.Init(nil)
c.Assert(err, gc.Equals, envcmd.ErrNoEnvironmentSpecified)
}
func (s *EnvironmentCommandSuite) TestEnvironCommandInit(c *gc.C) {
// Take environment name from command line arg.
cmd, envName := prepareEnvCommand(c, "explicit")
err := cmd.Init(nil)
c.Assert(err, gc.IsNil)
c.Assert(*envName, gc.Equals, "explicit")
// Take environment name from the default.
coretesting.WriteEnvironments(c, coretesting.MultipleEnvConfig)
testEnsureEnvName(c, coretesting.SampleEnvName)
// Take environment name from the one and only environment,
// even if it is not explicitly marked as default.
coretesting.WriteEnvironments(c, coretesting.SingleEnvConfigNoDefault)
testEnsureEnvName(c, coretesting.SampleEnvName)
// If there is a current-environment file, use that.
err = envcmd.WriteCurrentEnvironment("fubar")
testEnsureEnvName(c, "fubar")
}
func testEnsureEnvName(c *gc.C, expect string) {
cmd, envName := prepareEnvCommand(c, "")
err := cmd.Init(nil)
c.Assert(err, gc.IsNil)
c.Assert(*envName, gc.Equals, expect)
}