add tests for get tags step

Signed-off-by: Taylor Silva <dev@taydev.net>

Author: taylorsilva

test/get_tags.sh

@@ -3,3 +3,33 @@
 set -e
 
 source $(dirname $0)/helpers.sh
+
+it_clones_the_repo_at_the_given_tag() {
+    local repo=$(init_repo)
+    make_commit $repo >/dev/null
+    make_annotated_tag $repo v1 "tag v1" >/dev/null
+    local tag_ref=$(git -C $repo rev-parse v1^{commit})
+
+    local dest=$TMPDIR/destination
+
+    get_tags $repo v1 $dest | jq -e '.version.tag == "v1"'
+
+    ! git -C $dest symbolic-ref -q HEAD
+
+    test "$(git -C $dest rev-parse HEAD)" = "$tag_ref"
+}
+
+it_saves_the_tag_metadata() {
+    local repo=$(init_repo)
+    make_commit $repo >/dev/null
+    make_annotated_tag $repo v1 "tag v1" >/dev/null
+
+    local dest=$TMPDIR/destination
+
+    get_tags $repo v1 $dest
+
+    jq -e 'any(.name == "tag" and .value == "v1")' < $dest/.git/metadata.json
+}
+
+run it_clones_the_repo_at_the_given_tag
+run it_saves_the_tag_metadata

test/helpers.sh

@@ -1308,6 +1308,22 @@ get_branches() {
   }" | ${resource_dir}/in "$dest" | tee /dev/stderr
 }
 
+get_tags() {
+  local uri=$1
+  local tag=$2
+  local dest=$3
+
+  jq -n "{
+    source: {
+      uri: $(echo $uri | jq -R .),
+      version_type: \"tags\"
+    },
+    version: {
+      tag: $(echo $tag | jq -R .)
+    }
+  }" | ${resource_dir}/in "$dest" | tee /dev/stderr
+}
+
 get_uri_with_all_branches() {
   jq -n "{
     source: {