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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
use super::{invalid_transition, Event, InternalStateMachine, State};
use crate::{Error, FxaEvent, FxaState, Result};
pub struct DisconnectedStateMachine;
// Save some typing
use Event::*;
use State::*;
impl InternalStateMachine for DisconnectedStateMachine {
fn initial_state(&self, event: FxaEvent) -> Result<State> {
match event {
FxaEvent::BeginOAuthFlow { scopes, entrypoint } => {
Ok(State::BeginOAuthFlow { scopes, entrypoint })
}
FxaEvent::BeginPairingFlow {
pairing_url,
scopes,
entrypoint,
} => Ok(State::BeginPairingFlow {
pairing_url,
scopes,
entrypoint,
}),
e => Err(Error::InvalidStateTransition(format!(
"Disconnected -> {e}"
))),
}
}
fn next_state(&self, state: State, event: Event) -> Result<State> {
Ok(match (state, event) {
(BeginOAuthFlow { .. }, BeginOAuthFlowSuccess { oauth_url }) => {
Complete(FxaState::Authenticating { oauth_url })
}
(BeginPairingFlow { .. }, BeginPairingFlowSuccess { oauth_url }) => {
Complete(FxaState::Authenticating { oauth_url })
}
(BeginOAuthFlow { .. }, CallError) => Cancel,
(BeginPairingFlow { .. }, CallError) => Cancel,
(state, event) => return invalid_transition(state, event),
})
}
}
#[cfg(test)]
mod test {
use super::super::StateMachineTester;
use super::*;
#[test]
fn test_oauth_flow() {
let tester = StateMachineTester::new(
DisconnectedStateMachine,
FxaEvent::BeginOAuthFlow {
scopes: vec!["profile".to_owned()],
entrypoint: "test-entrypoint".to_owned(),
},
);
assert_eq!(
tester.state,
BeginOAuthFlow {
scopes: vec!["profile".to_owned()],
entrypoint: "test-entrypoint".to_owned(),
}
);
assert_eq!(tester.peek_next_state(CallError), Cancel);
assert_eq!(
tester.peek_next_state(BeginOAuthFlowSuccess {
}),
Complete(FxaState::Authenticating {
})
);
}
#[test]
fn test_pairing_flow() {
let tester = StateMachineTester::new(
DisconnectedStateMachine,
FxaEvent::BeginPairingFlow {
scopes: vec!["profile".to_owned()],
entrypoint: "test-entrypoint".to_owned(),
},
);
assert_eq!(
tester.state,
BeginPairingFlow {
scopes: vec!["profile".to_owned()],
entrypoint: "test-entrypoint".to_owned(),
}
);
assert_eq!(tester.peek_next_state(CallError), Cancel);
assert_eq!(
tester.peek_next_state(BeginPairingFlowSuccess {
}),
Complete(FxaState::Authenticating {
})
);
}
}