Add schema validation spec

Validate the schema of the dashboard that is loaded by
Gitlab::MetricsDashboard::Service.

4 files changed, 70 insertions, 0 deletions

diff --git a/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/dashboard.json b/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/dashboard.json
new file mode 100644
index 00000000000..4d1ab8615eb
--- /dev/null
+++ b/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/dashboard.json
@@ -0,0 +1,17 @@
+{
+  "type": "object",
+  "required": [
+    "dashboard",
+    "order",
+    "panel_groups"
+  ],
+  "properties": {
+    "dashboard": { "type": "string" },
+    "order": { "type": "number" },
+    "panel_groups": {
+      "type": "array",
+      "items": { "$ref": "spec/fixtures/lib/gitlab/metrics_dashboard/schemas/panel_groups.json" }
+    }
+  },
+  "additionalProperties": false
+}
diff --git a/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/metrics.json b/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/metrics.json
new file mode 100644
index 00000000000..4da1004dedd
--- /dev/null
+++ b/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/metrics.json
@@ -0,0 +1,16 @@
+{
+  "type": "object",
+  "required": [
+    "unit",
+    "label"
+  ],
+  "properties": {
+    "id": { "type": "string" },
+    "query_range": { "type": "string" },
+    "query": { "type": "string" },
+    "unit": { "type": "string" },
+    "label": { "type": "string" },
+    "track": { "type": "string" }
+  },
+  "additionalProperties": false
+}
diff --git a/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/panel_groups.json b/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/panel_groups.json
new file mode 100644
index 00000000000..d7a390adcdc
--- /dev/null
+++ b/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/panel_groups.json
@@ -0,0 +1,17 @@
+{
+  "type": "object",
+  "required": [
+    "group",
+    "priority",
+    "panels"
+  ],
+  "properties": {
+    "group": { "type": "string" },
+    "priority": { "type": "number" },
+    "panels": {
+      "type": "array",
+      "items": { "$ref": "panels.json" }
+    }
+  },
+  "additionalProperties": false
+}
diff --git a/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/panels.json b/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/panels.json
new file mode 100644
index 00000000000..1548daacd64
--- /dev/null
+++ b/spec/fixtures/lib/gitlab/metrics_dashboard/schemas/panels.json
@@ -0,0 +1,20 @@
+{
+  "type": "object",
+  "required": [
+    "title",
+    "y_label",
+    "weight",
+    "metrics"
+  ],
+  "properties": {
+    "title": { "type": "string" },
+    "type": { "type": "string" },
+    "y_label": { "type": "string" },
+    "weight": { "type": "number" },
+    "metrics": {
+      "type": "array",
+      "items": { "$ref": "metrics.json" }
+    }
+  },
+  "additionalProperties": false
+}