1 files changed, 103 insertions, 0 deletions
diff --git a/spec/frontend/releases/util_spec.js b/spec/frontend/releases/util_spec.js
new file mode 100644
index 00000000000..90aa9c4c7d8
--- /dev/null
+++ b/spec/frontend/releases/util_spec.js
@@ -0,0 +1,103 @@
+import { releaseToApiJson, apiJsonToRelease } from '~/releases/util';
+
+describe('releases/util.js', () => {
+  describe('releaseToApiJson', () => {
+    it('converts a release JavaScript object into JSON that the Release API can accept', () => {
+      const release = {
+        tagName: 'tag-name',
+        name: 'Release name',
+        description: 'Release description',
+        milestones: [{ id: 1, title: '13.2' }, { id: 2, title: '13.3' }],
+        assets: {
+          links: [{ url: 'https://gitlab.example.com/link', linkType: 'other' }],
+        },
+      };
+
+      const expectedJson = {
+        tag_name: 'tag-name',
+        ref: null,
+        name: 'Release name',
+        description: 'Release description',
+        milestones: ['13.2', '13.3'],
+        assets: {
+          links: [{ url: 'https://gitlab.example.com/link', link_type: 'other' }],
+        },
+      };
+
+      expect(releaseToApiJson(release)).toEqual(expectedJson);
+    });
+
+    describe('when createFrom is provided', () => {
+      it('adds the provided createFrom ref to the JSON as a "ref" property', () => {
+        const createFrom = 'main';
+
+        const release = {};
+
+        const expectedJson = {
+          ref: createFrom,
+        };
+
+        expect(releaseToApiJson(release, createFrom)).toMatchObject(expectedJson);
+      });
+    });
+
+    describe('release.name', () => {
+      it.each`
+        input                 | output
+        ${null}               | ${null}
+        ${''}                 | ${null}
+        ${' \t\n\r\n'}        | ${null}
+        ${'  Release name  '} | ${'Release name'}
+      `('converts a name like `$input` to `$output`', ({ input, output }) => {
+        const release = { name: input };
+
+        const expectedJson = {
+          name: output,
+        };
+
+        expect(releaseToApiJson(release)).toMatchObject(expectedJson);
+      });
+    });
+
+    describe('when release.milestones is falsy', () => {
+      it('includes a "milestone" property in the returned result as an empty array', () => {
+        const release = {};
+
+        const expectedJson = {
+          milestones: [],
+        };
+
+        expect(releaseToApiJson(release)).toMatchObject(expectedJson);
+      });
+    });
+  });
+
+  describe('apiJsonToRelease', () => {
+    it('converts JSON received from the Release API into an object usable by the Vue application', () => {
+      const json = {
+        tag_name: 'tag-name',
+        assets: {
+          links: [
+            {
+              link_type: 'other',
+            },
+          ],
+        },
+      };
+
+      const expectedRelease = {
+        tagName: 'tag-name',
+        assets: {
+          links: [
+            {
+              linkType: 'other',
+            },
+          ],
+        },
+        milestones: [],
+      };
+
+      expect(apiJsonToRelease(json)).toEqual(expectedRelease);
+    });
+  });
+});