build: Run e2e tests against ic-ref

default.nix

@@ -11,6 +11,7 @@ rec {
   dfx = import ./dfx.nix { inherit pkgs userlib-js; };
 
   e2e-tests = import ./e2e/bats { inherit pkgs dfx; };
+  e2e-tests-ic-ref = import ./e2e/bats { inherit pkgs dfx; use_ic_ref = true; };
   node-e2e-tests = import ./e2e/node { inherit pkgs dfx; };
 
   userlib-js = import ./src/userlib/js { inherit pkgs; };

e2e/bats/default.nix

@@ -1,6 +1,7 @@
 { pkgs ? import ../../nix { inherit system; }
 , system ? builtins.currentSystem
 , dfx ? import ../../dfx.nix { inherit pkgs; }
+, use_ic_ref ? false
 }:
 let
   e2e = lib.noNixFiles (lib.gitOnlySource ../../. ./.);
@@ -20,9 +21,10 @@ let
     netcat
     ps
     python3
+    procps
     which
     dfx.standalone
-  ];
+  ] ++ lib.optional use_ic_ref ic-ref;
 in
 
 builtins.derivation {
@@ -38,6 +40,8 @@ builtins.derivation {
       # We want $HOME/.cache to be in a new temporary directory.
       export HOME=$(mktemp -d -t dfx-e2e-home-XXXX)
 
+      export USE_IC_REF=${if use_ic_ref then "1" else ""}
+
       # Timeout of 10 minutes is enough for now. Reminder; CI might be running with
       # less resources than a dev's computer, so e2e might take longer.
       timeout --preserve-status 600 bats --recursive ${e2e}/* | tee $out

e2e/bats/frontend.bash

@@ -23,6 +23,8 @@ teardown() {
 }
 
 @test "dfx start serves a frontend on a port" {
+    [ "$USE_IC_REF" ] && skip "dfx start cannot serve frontent when using ic-ref"
+
     dfx build --skip-frontend
     dfx_start --host 127.0.0.1:12345
 

e2e/bats/print.bash

@@ -14,6 +14,8 @@ teardown() {
 }
 
 @test "print_mo" {
+    [ "$USE_IC_REF" ] && skip "printing from mo not specified"
+
     install_asset print_mo
     dfx_start 2>stderr.txt
     dfx build

e2e/bats/utils/_.bash

@@ -31,15 +31,30 @@ dfx_new() {
 
 # Start the client in the background.
 dfx_start() {
-    # Bats creates a FD 3 for test output, but child processes inherit it and Bats will
-    # wait for it to close. Because `dfx start` leaves child processes running, we need
-    # to close this pipe, otherwise Bats will wait indefinitely.
-    dfx start --background "$@" 3>&-
-    local project_dir=${pwd}
-    local dfx_config_root=.dfx/client-configuration
-    printf "Configuration Root for DFX: %s\n" "${dfx_config_root}"
-    test -f ${dfx_config_root}/client-1.port
-    local port=$(cat ${dfx_config_root}/client-1.port)
+    if [ "$USE_IC_REF" ]
+    then
+        ic-ref --pick-port --write-port-to port 3>&- &
+        echo $! > ic-ref.pid
+
+        sleep 5
+
+        test -f port
+        local port=$(cat port)
+
+        dfx bootstrap --port 8000 --providers http://127.0.0.1:${port}/api &
+        echo $! > dfx-bootstrap.pid
+    else
+        # Bats creates a FD 3 for test output, but child processes inherit it and Bats will
+        # wait for it to close. Because `dfx start` leaves child processes running, we need
+        # to close this pipe, otherwise Bats will wait indefinitely.
+        dfx start --background "$@" 3>&-
+        local project_dir=${pwd}
+        local dfx_config_root=.dfx/client-configuration
+        printf "Configuration Root for DFX: %s\n" "${dfx_config_root}"
+        test -f ${dfx_config_root}/client-1.port
+        local port=$(cat ${dfx_config_root}/client-1.port)
+    fi
+
     printf "Client Configured Port: %s\n" "${port}"
 
     timeout 5 sh -c \
@@ -49,8 +64,21 @@ dfx_start() {
 
 # Stop the client and verify it is very very stopped.
 dfx_stop() {
-    dfx stop
+    if [ "$USE_IC_REF" ]
+    then
+        test -f ic-ref.pid
+        printf "Killing ic-ref at pid: %u\n" "$(cat ic-ref.pid)"
+        kill $(cat ic-ref.pid)
+        rm -f ic-ref.pid
+
+        test -f dfx-bootstrap.pid
+        printf "Killing dfx bootstrap at pid: %u\n" "$(cat dfx-bootstrap.pid)"
+        kill $(cat dfx-bootstrap.pid)
+        rm -f dfx-bootstrap.pid
+    else
+        dfx stop
 
-    # Verify that processes are killed.
-    ! ( ps | grep " [d]fx start" )
+        # Verify that processes are killed.
+        ! ( ps | grep " [d]fx start" )
+    fi
 }

nix/default.nix

@@ -57,6 +57,7 @@ let
               napalm = self.callPackage self.sources.napalm {
                 pkgs = self // { nodejs = self.nodejs-12_x; };
               };
+              ic-ref = (import self.sources.ic-ref { inherit (self) system; }).ic-ref;
 
               inherit (nixFmt) nix-fmt;
               nix-fmt-check = nixFmt.check;

nix/sources.json

@@ -37,6 +37,13 @@
         "rev": "a847ecc0bb8a1893f2cfb8d26dd31d69cb019eb6",
         "type": "git"
     },
+    "ic-ref": {
+        "branch": "legacy2",
+        "ref": "legacy2",
+        "repo": "ssh://git@github.com/dfinity-lab/ic-ref",
+        "rev": "6d8a3f28bdc6969754b354e56fb9caf280d6f887",
+        "type": "git"
+    },
     "motoko": {
         "ref": "master",
         "repo": "ssh://git@github.com/dfinity-lab/motoko",