test: Add codecov.io integration

.gitignore

@@ -8,4 +8,8 @@
 
 # Generated file at Windows XP
 Thumbs.db
-**/Thumbs.db
+**/Thumbs.db
+
+# Coverage logs
+coverage.txt
+profile.out

test_all.sh

@@ -1,10 +1,16 @@
 #!/bin/bash -e
 
+rm -f coverage.txt
+
 dialects=("postgres" "postgres_simple" "mysql" "mysql-legacy" "mariadb" "sqlite") # "mssql")
 
 for dialect in "${dialects[@]}" ; do
   if [ "$GORM_DIALECT" = "" ] || [ "$GORM_DIALECT" = "${dialect}" ]
   then
-    GORM_DIALECT=${dialect} go test  --tags "json1"
+    GORM_DIALECT=${dialect} go test -coverprofile=profile.out -covermode=atomic $d
+    if [ -f profile.out ]; then
+        cat profile.out >> coverage.txt
+        rm profile.out
+    fi
   fi
 done