Changeset - 6129d6c9c015
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Christopher Esterhuyse - 5 years ago 2020-02-07 10:55:20
christopheresterhuyse@gmail.com
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1 file changed with 2 insertions and 1 deletions:
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src/test/connector.rs
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extern crate test_generator;
 

	
 
use super::*;
 

	
 
use crate::common::*;
 
use crate::runtime::{errors::*, PortBinding::*};
 

	
 
static PDL: &[u8] = b"
 
primitive blocked(in i, out o) {
 
    while(true) synchronous {}
 
}
 
primitive forward(in i, out o) {
 
    while(true) synchronous {
 
        put(o, get(i));
 
    }
 
}
 
primitive sync(in i, out o) {
 
    while(true) synchronous {
 
        if (fires(i)) put(o, get(i));
 
    }
 
}
 
primitive alternator_2(in i, out a, out b) {
 
    while(true) {
 
        synchronous { put(a, get(i)); }
 
        synchronous { put(b, get(i)); } 
 
    }
 
}
 
composite sync_2(in i, out o) {
 
    channel x -> y;
 
    new sync(i, x);
 
    new sync(y, o);
 
}
 
composite forward_pair(in ia, out oa, in ib, out ob) {
 
    new forward(ia, oa);
 
    new forward(ib, ob);
 
}
 
primitive forward_nonzero(in i, out o) {
 
    while(true) synchronous {
 
        msg m = get(i);
 
        if(m[0]==0) put(o, m);
 
        assert(m[0] != 0);
 
        put(o, m);
 
    }
 
}
 
primitive token_spout(out o) {
 
    while(true) synchronous {
 
        put(o, create(0));
 
    }
 
}
 
primitive wait_10(out o) {
 
    int i = 0;
 
    while(i < 10) {
 
        synchronous {}
 
        i += 1;
 
    }
 
    synchronous { put(o, create(0)); }
 
}
 
";
 

	
 
#[test]
 
fn connects_ok() {
 
    // Test if we can connect natives using the given PDL
 
    /*
 
    Alice -->silence--P|A-->silence--> Bob
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    let addrs = [next_addr()];
 
    assert!(run_connector_set(&[
 
        &|x| {
 
            // Alice
 
            x.configure(PDL, b"blocked").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.bind_port(1, Passive(addrs[0])).unwrap();
 
            x.connect(timeout).unwrap();
 
        },
 
        &|x| {
 
            // Bob
 
            x.configure(PDL, b"blocked").unwrap();
 
            x.bind_port(0, Active(addrs[0])).unwrap();
 
            x.bind_port(1, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
        },
 
    ]));
 
}
 

	
 
#[test]
 
fn connected_but_silent_natives() {
 
    // Test if we can connect natives and have a trivial sync round
 
    /*
 
    Alice -->silence--P|A-->silence--> Bob
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    let addrs = [next_addr()];
 
    assert!(run_connector_set(&[
 
        &|x| {
 
            // Alice
 
            x.configure(PDL, b"blocked").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.bind_port(1, Passive(addrs[0])).unwrap();
 
            x.connect(timeout).unwrap();
 
            assert_eq!(Ok(0), x.sync(timeout));
 
        },
 
        &|x| {
 
            // Bob
 
            x.configure(PDL, b"blocked").unwrap();
 
            x.bind_port(0, Active(addrs[0])).unwrap();
 
            x.bind_port(1, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
            assert_eq!(Ok(0), x.sync(timeout));
 
        },
 
    ]));
 
}
 

	
 
#[test]
 
fn self_forward_ok() {
 
    // Test a deterministic system
 
    // where a native has no network bindings
 
    // and sends messages to itself
 
    /*
 
        /-->\
 
    Alice   forward
 
        \<--/
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    const N: usize = 5;
 
    static MSG: &[u8] = b"Echo!";
 
    assert!(run_connector_set(&[
 
        //
 
        &|x| {
 
            // Alice
 
            x.configure(PDL, b"forward").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.bind_port(1, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _ in 0..N {
 
                x.put(0, MSG.to_vec()).unwrap();
 
                x.get(1).unwrap();
 
                assert_eq!(Ok(0), x.sync(timeout));
 
                assert_eq!(Ok(MSG), x.read_gotten(1));
 
            }
 
        },
 
    ]));
 
}
 
#[test]
 
fn token_spout_ok() {
 
    // Test a deterministic system where the proto
 
    // creates token messages
 
    /*
 
    Alice<--token_spout
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    const N: usize = 5;
 
    assert!(run_connector_set(&[
 
        //
 
        &|x| {
 
            // Alice
 
            x.configure(PDL, b"token_spout").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _ in 0..N {
 
                x.get(0).unwrap();
 
                assert_eq!(Ok(0), x.sync(timeout));
 
                assert_eq!(Ok(&[] as &[u8]), x.read_gotten(0));
 
            }
 
        },
 
    ]));
 
}
 

	
 
#[test]
 
fn waiter_ok() {
 
    // Test a stateful proto that blocks port 0 for 10 rounds
 
    // and then sends a single token on the 11th
 
    /*
 
    Alice<--token_spout
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    assert!(run_connector_set(&[
 
        //
 
        &|x| {
 
            // Alice
 
            x.configure(PDL, b"wait_10").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _ in 0..10 {
 
                assert_eq!(Ok(0), x.sync(timeout));
 
                assert_eq!(Err(ReadGottenErr::DidNotGet), x.read_gotten(0));
 
            }
 
            x.get(0).unwrap();
 
            assert_eq!(Ok(0), x.sync(timeout));
 
            assert_eq!(Ok(&[] as &[u8]), x.read_gotten(0));
 
        },
 
    ]));
 
}
 

	
 
#[test]
 
fn self_forward_timeout() {
 
    // Test a deterministic system
 
    // where a native has no network bindings
 
    // and sends messages to itself
 
    /*
 
        /-->\
 
    Alice   forward
 
        \<--/
 
    */
 
    let timeout = Duration::from_millis(500);
 
    static MSG: &[u8] = b"Echo!";
 
    assert!(run_connector_set(&[
 
        //
 
        &|x| {
 
            // Sender
 
            x.configure(PDL, b"forward").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.bind_port(1, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
            x.put(0, MSG.to_vec()).unwrap();
 
            // native and forward components cannot find a solution
 
            assert_eq!(Err(SyncErr::Timeout), x.sync(timeout));
 
        },
 
    ]));
 
}
 

	
 
#[test]
 
fn forward_det() {
 
    // Test if a deterministic protocol and natives can pass one message
 
    /*
 
    Alice -->forward--P|A-->forward--> Bob
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    let addrs = [next_addr()];
 
    const N: usize = 5;
 
    static MSG: &[u8] = b"Hello!";
 

	
 
    assert!(run_connector_set(&[
 
        &|x| {
 
            x.configure(PDL, b"forward").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.bind_port(1, Passive(addrs[0])).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _ in 0..N {
 
                x.put(0, MSG.to_vec()).unwrap();
 
                assert_eq!(Ok(0), x.sync(timeout));
 
            }
 
        },
 
        &|x| {
 
            x.configure(PDL, b"forward").unwrap();
 
            x.bind_port(0, Active(addrs[0])).unwrap();
 
            x.bind_port(1, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _ in 0..N {
 
                x.get(0).unwrap();
 
                assert_eq!(Ok(0), x.sync(timeout));
 
                assert_eq!(Ok(MSG), x.read_gotten(0));
 
            }
 
        },
 
    ]));
 
}
 

	
 
#[test]
 
fn nondet_proto_det_natives() {
 
    // Test the use of a nondeterministic protocol
 
    // where Alice decides the choice and the others conform
 
    /*
 
    Alice -->sync--A|P-->sync--> Bob
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    let addrs = [next_addr()];
 
    const N: usize = 5;
 
    static MSG: &[u8] = b"Message, here!";
 
    assert!(run_connector_set(&[
 
        &|x| {
 
            // Alice
 
            x.configure(PDL, b"sync").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.bind_port(1, Active(addrs[0])).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _i in 0..N {
 
                x.put(0, MSG.to_vec()).unwrap();
 
                assert_eq!(0, x.sync(timeout).unwrap());
 
            }
 
        },
 
        &|x| {
 
            // Bob
 
            x.configure(PDL, b"sync").unwrap();
 
            x.bind_port(0, Passive(addrs[0])).unwrap();
 
            x.bind_port(1, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _i in 0..N {
 
                x.get(0).unwrap();
 
                assert_eq!(Ok(0), x.sync(timeout));
 
                assert_eq!(Ok(MSG), x.read_gotten(0));
 
            }
 
        },
 
    ]));
 
}
 

	
 
#[test]
 
fn putter_determines() {
 
    // putter and getter
 
    /*
 
    Alice -->sync--A|P-->sync--> Bob
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    let addrs = [next_addr()];
 
    const N: usize = 3;
 
    static MSG: &[u8] = b"Hidey ho!";
 
    assert!(run_connector_set(&[
 
        //
 
        &|x| {
 
            // Alice
 
            x.configure(PDL, b"sync").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.bind_port(1, Active(addrs[0])).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _i in 0..N {
 
                x.put(0, MSG.to_vec()).unwrap();
 
                assert_eq!(0, x.sync(timeout).unwrap());
 
            }
 
        },
 
        &|x| {
 
            // Bob
 
            x.configure(PDL, b"sync").unwrap();
 
            x.bind_port(0, Passive(addrs[0])).unwrap();
 
            x.bind_port(1, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _i in 0..N {
 
                // batches [{0=>*}, {0=>?}]
 
                x.get(0).unwrap();
 
                x.next_batch().unwrap();
 
                assert_eq!(Ok(0), x.sync(timeout));
 
                assert_eq!(Ok(MSG), x.read_gotten(0));
 
            }
 
        },
 
    ]));
 
}
 

	
 
#[test]
 
fn getter_determines() {
 
    // putter and getter
 
    /*
 
    Alice -->sync--A|P-->sync--> Bob
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    let addrs = [next_addr()];
 
    const N: usize = 5;
 
    static MSG: &[u8] = b"Hidey ho!";
 
    assert!(run_connector_set(&[
 
        //
 
        &|x| {
 
            // Alice
 
            x.configure(PDL, b"sync").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.bind_port(1, Active(addrs[0])).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _i in 0..N {
 
                // batches [{0=>?}, {0=>*}]
 
                x.put(0, MSG.to_vec()).unwrap();
 
                x.next_batch().unwrap();
 
                assert_eq!(Ok(0), x.sync(timeout));
 
            }
 
        },
 
        &|x| {
 
            // Bob
 
            x.configure(PDL, b"sync").unwrap();
 
            x.bind_port(0, Passive(addrs[0])).unwrap();
 
            x.bind_port(1, Native).unwrap();
 
            x.connect(timeout).unwrap();
 

	
 
            for _i in 0..N {
 
                x.get(0).unwrap();
 
                assert_eq!(Ok(0), x.sync(timeout));
 
                assert_eq!(Ok(MSG), x.read_gotten(0));
 
            }
 
        },
 
    ]));
 
}
 

	
 
#[test]
 
fn alternator_2() {
 
    // Test a deterministic system which
 
    // alternates sending Sender's messages to A or B
 
    /*                    /--|-->A
 
    Sender -->alternator_2
 
                          \--|-->B
 
    */
 
    let timeout = Duration::from_millis(1_500);
 
    let addrs = [next_addr(), next_addr()];
 
    const N: usize = 5;
 
    static MSG: &[u8] = b"message";
 
    assert!(run_connector_set(&[
 
        //
 
        &|x| {
 
            // Sender
 
            x.configure(PDL, b"alternator_2").unwrap();
 
            x.bind_port(0, Native).unwrap();
 
            x.bind_port(1, Passive(addrs[0])).unwrap();
 
            x.bind_port(2, Passive(addrs[1])).unwrap();
 
            x.connect(timeout).unwrap();
 

	
 
            for _ in 0..N {
 
                for _ in 0..2 {
 
                    x.put(0, MSG.to_vec()).unwrap();
 
                    assert_eq!(0, x.sync(timeout).unwrap());
 
                }
 
            }
 
        },
 
        &|x| {
 
            // A
 
            x.configure(PDL, b"sync").unwrap();
 
            x.bind_port(0, Active(addrs[0])).unwrap();
 
            x.bind_port(1, Native).unwrap();
 
            x.connect(timeout).unwrap();
 
            for _ in 0..N {
 
                // get msg round
 
                x.get(0).unwrap();
 
                assert_eq!(Ok(0), x.sync(timeout)); // GET ONE
 
                assert_eq!(Ok(MSG), x.read_gotten(0));
 

	
 
                // silent round
 
                assert_eq!(Ok(0), x.sync(timeout)); // MISS ONE
 
                assert_eq!(Err(ReadGottenErr::DidNotGet), x.read_gotten(0));
 
            }
 
        },
 
        &|x| {
 
            // B
 
            x.configure(PDL, b"sync").unwrap();
 
            x.bind_port(0, Active(addrs[1])).unwrap();
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