From d92a14764440a067628b83ac3782fd36ab7e4956 Mon Sep 17 00:00:00 2001
From: Michael McLoughlin <mmcloughlin@gmail.com>
Date: Wed, 2 Jan 2019 20:41:59 -0800
Subject: [PATCH] testing: coverage script

Updates #27
---
 .gitignore       |  1 +
 .travis.yml      |  1 +
 script/bootstrap |  3 +++
 script/coverage  | 21 +++++++++++++++++++++
 4 files changed, 26 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 script/coverage

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7823778
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.coverprofile
diff --git a/.travis.yml b/.travis.yml
index d182b5b..39ddb5d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,4 +6,5 @@ install:
 script:
 - go build ./...
 - go test -bench . ./...
+- ./script/coverage
 - ./script/lint
diff --git a/script/bootstrap b/script/bootstrap
index dff10b3..78b4a25 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -11,3 +11,6 @@ curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh |
 
 # embedmd required for documentation generation
 go get -u github.com/campoy/embedmd
+
+# covertool for merging coverage reports
+go get -u github.com/dlespiau/covertool
diff --git a/script/coverage b/script/coverage
new file mode 100755
index 0000000..4ebadb3
--- /dev/null
+++ b/script/coverage
@@ -0,0 +1,21 @@
+#!/bin/bash -e
+
+ext=".coverprofile"
+
+# Clean existing coverage files.
+find . -name '*'${ext} | xargs rm -f
+
+# Unit test coverage.
+go test -covermode=count -coverprofile=unit${ext} ./...
+
+# Integration test coverage.
+find . -name 'asm.go' | while read main; do
+	dir=$(dirname ${main})
+	name=$(basename ${dir})
+	coverprofile="${dir}/${name}${ext}"
+	./script/covermain ${main} ${coverprofile} > /dev/null
+done
+
+# Merge.
+all="all${ext}"
+find . -name '*'${ext} | xargs covertool merge --output ${all}