2 files changed, 20 insertions, 2 deletions
diff --git a/devtools/client/netmonitor/test/browser_net_curl-utils.js b/devtools/client/netmonitor/test/browser_net_curl-utils.js
index 7a5fc7926..0d35c6141 100644
--- a/devtools/client/netmonitor/test/browser_net_curl-utils.js
+++ b/devtools/client/netmonitor/test/browser_net_curl-utils.js
@@ -7,7 +7,7 @@
  * Tests Curl Utils functionality.
  */
 
-const { CurlUtils } = require("devtools/client/shared/curl");
+const { Curl, CurlUtils } = require("devtools/client/shared/curl");
 
 add_task(function* () {
   let { tab, monitor } = yield initNetMonitor(CURL_UTILS_URL);
@@ -37,6 +37,8 @@ add_task(function* () {
   data = yield createCurlData(requests.post.attachment, gNetwork);
   testIsUrlEncodedRequest(data);
   testWritePostDataTextParams(data);
+  testWriteEmptyPostDataTextParams(data);
+  testDataArgumentOnGeneratedCommand(data);
 
   data = yield createCurlData(requests.multipart.attachment, gNetwork);
   testIsMultipartRequest(data);
@@ -85,6 +87,18 @@ function testWritePostDataTextParams(data) {
     "Should return a serialized representation of the request parameters");
 }
 
+function testWriteEmptyPostDataTextParams(data) {
+  let params = CurlUtils.writePostDataTextParams(null);
+  is(params, "",
+    "Should return a empty string when no parameters provided");
+}
+
+function testDataArgumentOnGeneratedCommand(data) {
+  let curlCommand = Curl.generateCommand(data);
+  ok(curlCommand.includes("--data"),
+    "Should return a curl command with --data");
+}
+
 function testGetMultipartBoundary(data) {
   let boundary = CurlUtils.getMultipartBoundary(data);
   ok(/-{3,}\w+/.test(boundary),
diff --git a/devtools/client/shared/curl.js b/devtools/client/shared/curl.js
index 44465193f..45122be37 100644
--- a/devtools/client/shared/curl.js
+++ b/devtools/client/shared/curl.js
@@ -76,7 +76,8 @@ const Curl = {
 
     // Create post data.
     let postData = [];
-    if (utils.isUrlEncodedRequest(data) || data.method == "PUT") {
+    if (utils.isUrlEncodedRequest(data) ||
+          ["PUT", "POST"].includes(data.method)) {
       postDataText = data.postDataText;
       postData.push("--data");
       postData.push(escapeString(utils.writePostDataTextParams(postDataText)));
@@ -207,6 +208,9 @@ const CurlUtils = {
    *         Post data parameters.
    */
   writePostDataTextParams: function (postDataText) {
+    if (!postDataText) {
+      return "";
+    }
     let lines = postDataText.split("\r\n");
     return lines[lines.length - 1];
   },