Add tests for plume webserver (#513)

* begin setup front-end test environment with selenium
* run migrations before tests
* use https for tests

.circleci/images/plume-buildenv/Caddyfile

@@ -0,0 +1,6 @@
+localhost:443 {
+  proxy / localhost:7878 {
+    transparent
+  }
+  tls self_signed
+}

.circleci/images/plume-buildenv/Dockerfile

@@ -4,16 +4,29 @@ ENV PATH="/root/.cargo/bin:${PATH}"
 #install native/circleci/build dependancies
 RUN apt update &&\
     apt install -y git ssh tar gzip ca-certificates &&\
-    apt install -y binutils-dev build-essential cmake curl gcc gettext git libcurl4-openssl-dev libdw-dev libelf-dev libiberty-dev libpq-dev libsqlite3-dev libssl-dev make openssl pkg-config postgresql postgresql-contrib python zlib1g-dev
+    apt install -y binutils-dev build-essential cmake curl gcc gettext git libcurl4-openssl-dev libdw-dev libelf-dev libiberty-dev libpq-dev libsqlite3-dev libssl-dev make openssl pkg-config postgresql postgresql-contrib python zlib1g-dev python3-pip
 
 #install and configure rust
 RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2019-03-23 -y &&\
     rustup component add rustfmt clippy &&\
-    rustup component add rust-std --target wasm32-unknown-unknown &&\
-    cargo install cargo-web &&\
+    rustup component add rust-std --target wasm32-unknown-unknown
+
+#compile some deps
+RUN cargo install cargo-web &&\
+    cargo install diesel_cli --no-default-features --features postgres,sqlite --version '=1.3.0' &&\
     rm -fr ~/.cargo/registry
 
 #install coverage tools
 RUN curl -L https://github.com/SimonKagstrom/kcov/archive/master.tar.gz | tar xz &&\
     mkdir -p kcov-master/build && cd kcov-master/build && cmake .. && make &&\
     make install && cd ../.. && rm -rf kcov-master
+
+#set some compilation parametters
+COPY cargo_config /root/.cargo/config
+
+#install selenium for front end tests
+RUN pip3 install selenium
+
+#install and configure caddy
+RUN curl https://getcaddy.com | bash -s personal
+COPY Caddyfile /Caddyfile

.circleci/images/plume-buildenv/cargo_config

@@ -0,0 +1,3 @@
+[target.x86_64-unknown-linux-gnu]
+# link dead code for coverage, attempt to reduce linking memory usage to not get killed
+rustflags = ["-Clink-dead-code", "-Clink-args=-Xlinker --no-keep-memory -Xlinker --reduce-memory-overheads"]