update ci for coverage (wip)

1 files changed, 101 insertions, 13 deletions

diff --git a/.circleci/config.yml b/.circleci/config.yml
index aea17ac..aed3a50 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,22 +1,110 @@
+version: 2
 jobs:
-  build:
+  cargo_fetch:
     docker:
       - image: puzzlewolf/rust-libical3:0.2
-
+    working_directory: /mnt/crate
     steps:
       - checkout
       - restore_cache:
-          key: project-cache
-
+          keys:
+            - cargo-v1-{{ checksum "Cargo.toml" }}-
+            - cargo-v1-
+      - run: cargo update
+      - run: cargo fetch
+      - persist_to_workspace:
+          root: "."
+          paths:
+            - Cargo.lock
+      - save_cache:
+          key: cargo-v1-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}
+          paths:
+            - /usr/local/cargo/registry
+            - /usr/local/cargo/git
+  test:
+    docker:
+      - image: puzzlewolf/rust-libical3:0.2
+    working_directory: /mnt/crate
+    steps:
+      - checkout
+      - attach_workspace:
+          at: "."
+      - restore_cache:
+          keys:
+            - cargo-v1-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}
       - run:
-          name: Build
-          command: cargo build
+          name: Print version information
+          command: rustc --version; cargo --version
       - run:
-          name: Running tests
-          command: cargo test
-
-      - save_cache:
-          key: project-cache
+          name: Build and test
+          command: cargo test --verbose --frozen
+          environment:
+            # Need this for the coverage run
+            RUSTFLAGS: "-C link-dead-code"
+      - run:
+          name: Prune the output files
+          command: |
+            for file in target/debug/* target/debug/.??*; do
+              [ -d $file -o ! -x $file ] && rm -r $file
+            done
+      - persist_to_workspace:
+          root: "."
+          paths:
+            - target/debug/*
+  coverage:
+    docker:
+      - image: ragnaroek/kcov:v33
+        entrypoint: /bin/bash
+    working_directory: /mnt/crate
+    steps:
+      - checkout
+      - attach_workspace:
+          at: "."
+      - run: mkdir target/coverage
+      - run:
+          name: Rerun the tests collecting coverage
+          command: |
+            for file in ./target/debug/*; do
+              if test -x $file; then
+                kcov --verify --exclude-pattern=tests \
+                    target/coverage/$(basename $file) \
+                  $file --quiet
+              fi
+            done
+            kcov --merge target/coverage-merged target/coverage/*
+      - store_artifacts:
+          path: target/coverage
+          destination: coverage
+      - store_artifacts:
+          path: target/coverage-merged
+          destination: coverage-merged
+      - persist_to_workspace:
+          root: "."
           paths:
-            - "~/.cargo"
-            - "./target"
+            - target/coverage
+  codecov_upload:
+    docker:
+      - image: buildpack-deps:curl
+    working_directory: /mnt/crate
+    steps:
+      - checkout
+      - attach_workspace:
+          at: "."
+      - run:
+          name: Upload to Codecov
+          command: bash <(curl -s https://codecov.io/bash)
+
+workflows:
+  version: 2
+  test_all_and_coverage:
+    jobs:
+      - cargo_fetch
+      - test:
+          requires:
+            - cargo_fetch
+      - coverage:
+          requires:
+            - test
+      - codecov_upload:
+          requires:
+            - coverage