1 files changed, 97 insertions, 0 deletions
diff --git a/devtools/client/jsonview/test/browser_json_refresh.js b/devtools/client/jsonview/test/browser_json_refresh.js
new file mode 100644
index 0000000000..0fbebbae57
--- /dev/null
+++ b/devtools/client/jsonview/test/browser_json_refresh.js
@@ -0,0 +1,97 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_JSON_FILE = "simple_json.json";
+
+add_task(async function () {
+  info("Test JSON refresh started");
+
+  // generate file:// URI for JSON file and load in new tab
+  const dir = getChromeDir(getResolvedURI(gTestPath));
+  dir.append(TEST_JSON_FILE);
+  dir.normalize();
+  const uri = Services.io.newFileURI(dir);
+  const tab = await addJsonViewTab(uri.spec);
+
+  // perform sanity checks for URI and principals in loadInfo
+  await SpecialPowers.spawn(
+    tab.linkedBrowser,
+    [{ TEST_JSON_FILE }],
+    // eslint-disable-next-line no-shadow
+    async function ({ TEST_JSON_FILE }) {
+      const channel = content.docShell.currentDocumentChannel;
+      const channelURI = channel.URI.spec;
+      ok(
+        channelURI.startsWith("file://") && channelURI.includes(TEST_JSON_FILE),
+        "sanity: correct channel uri"
+      );
+      const contentPolicyType = channel.loadInfo.externalContentPolicyType;
+      is(
+        contentPolicyType,
+        Ci.nsIContentPolicy.TYPE_DOCUMENT,
+        "sanity: correct contentPolicyType"
+      );
+
+      const loadingPrincipal = channel.loadInfo.loadingPrincipal;
+      is(loadingPrincipal, null, "sanity: correct loadingPrincipal");
+      const triggeringPrincipal = channel.loadInfo.triggeringPrincipal;
+      ok(
+        triggeringPrincipal.isSystemPrincipal,
+        "sanity: correct triggeringPrincipal"
+      );
+      const principalToInherit = channel.loadInfo.principalToInherit;
+      ok(
+        principalToInherit.isNullPrincipal,
+        "sanity: correct principalToInherit"
+      );
+      ok(
+        content.document.nodePrincipal.isNullPrincipal,
+        "sanity: correct doc.nodePrincipal"
+      );
+    }
+  );
+
+  // reload the tab
+  await reloadBrowser();
+
+  // check principals in loadInfo are still correct
+  await SpecialPowers.spawn(
+    tab.linkedBrowser,
+    [{ TEST_JSON_FILE }],
+    // eslint-disable-next-line no-shadow
+    async function ({ TEST_JSON_FILE }) {
+      // eslint-disable-line
+      const channel = content.docShell.currentDocumentChannel;
+      const channelURI = channel.URI.spec;
+      ok(
+        channelURI.startsWith("file://") && channelURI.includes(TEST_JSON_FILE),
+        "reloaded: correct channel uri"
+      );
+      const contentPolicyType = channel.loadInfo.externalContentPolicyType;
+      is(
+        contentPolicyType,
+        Ci.nsIContentPolicy.TYPE_DOCUMENT,
+        "reloaded: correct contentPolicyType"
+      );
+
+      const loadingPrincipal = channel.loadInfo.loadingPrincipal;
+      is(loadingPrincipal, null, "reloaded: correct loadingPrincipal");
+      const triggeringPrincipal = channel.loadInfo.triggeringPrincipal;
+      ok(
+        triggeringPrincipal.isSystemPrincipal,
+        "reloaded: correct triggeringPrincipal"
+      );
+      const principalToInherit = channel.loadInfo.principalToInherit;
+      ok(
+        principalToInherit.isNullPrincipal,
+        "reloaded: correct principalToInherit"
+      );
+      ok(
+        content.document.nodePrincipal.isNullPrincipal,
+        "reloaded: correct doc.nodePrincipal"
+      );
+    }
+  );
+});