Allow passing pull request number

README.md

@@ -56,6 +56,10 @@ Only show coverage for changed files.
 
 Use a unique name for the report and comment.
 
+### `pull_request_number` **Optional**
+
+Pull request number associated with the report. This property should be used when workflow trigger is different than `pull_request`.
+
 ## Example usage
 
 ```yaml

action.yml

@@ -31,6 +31,10 @@ inputs:
     description: 'Only show coverage for changed files.'
     required: true
     default: false
+  pull_request_number:
+    description: 'Pull request number associated with the report. This property should be used when workflow trigger is different than pull_request.'
+    required: false
+    default: ''
 runs:
   using: 'node12'
   main: 'index.js'

src/action.js

@@ -8,11 +8,28 @@ const client = new github.GitHub(
 const credits = "Generated by :monkey: cobertura-action";
 
 async function action(payload) {
-  const { pull_request: pullRequest } = payload || {};
-  if (pullRequest == null) {
-    core.error("Found no pull request.");
-    return;
+  const pullRequestNumberInput = core.getInput("pull_request_number", {
+    required: false
+  });
+  let pullRequestNumber;
+  let commit;
+  if (pullRequestNumberInput != "") {
+    pullRequestNumber = parseInt(pullRequestNumberInput);
+    const { data } = await client.pulls.get({
+      pull_number: pullRequestNumber,
+      ...github.context.repo
+    });
+    commit = data.head.sha;
+  } else {
+    const { pull_request: pullRequest } = payload || {};
+    if (pullRequest == null) {
+      core.error("Found no pull request.");
+      return;
+    }
+    pullRequestNumber = pullRequest.number;
+    commit = pullRequest.head.sha;
   }
+
   const path = core.getInput("path", { required: true });
   const skipCovered = JSON.parse(
     core.getInput("skip_covered", { required: true })
@@ -33,13 +50,10 @@ async function action(payload) {
   const reportName = core.getInput("report_name", { required: false });
 
   const changedFiles = onlyChangedFiles
-    ? await listChangedFiles(pullRequest)
+    ? await listChangedFiles(pullRequestNumber)
     : null;
 
   const report = await processCoverage(path, { skipCovered });
-  const {
-    head: { sha: commit }
-  } = pullRequest;
   const comment = markdownReport(report, commit, {
     minimumCoverage,
     showLine,
@@ -48,7 +62,7 @@ async function action(payload) {
     filteredFiles: changedFiles,
     reportName
   });
-  await addComment(pullRequest, comment, reportName);
+  await addComment(pullRequestNumber, comment, reportName);
 }
 
 function markdownReport(report, commit, options) {
@@ -126,9 +140,9 @@ function markdownReport(report, commit, options) {
   return `${titleText}\n\n${table}\n\n${minimumCoverageText}\n\n${footerText}`;
 }
 
-async function addComment(pullRequest, body, reportName) {
+async function addComment(pullRequestNumber, body, reportName) {
   const comments = await client.issues.listComments({
-    issue_number: pullRequest.number,
+    issue_number: pullRequestNumber,
     ...github.context.repo
   });
   const commentFilter = reportName ? reportName : credits;
@@ -143,16 +157,16 @@ async function addComment(pullRequest, body, reportName) {
     });
   } else {
     await client.issues.createComment({
-      issue_number: pullRequest.number,
+      issue_number: pullRequestNumber,
       body: body,
       ...github.context.repo
     });
   }
 }
 
-async function listChangedFiles(pullRequest) {
+async function listChangedFiles(pullRequestNumber) {
   const files = await client.pulls.listFiles({
-    pull_number: pullRequest.number,
+    pull_number: pullRequestNumber,
     ...github.context.repo
   });
   return files.data.map(file => file.filename);

src/action.test.js

@@ -26,6 +26,7 @@ test("action", async () => {
   process.env["INPUT_MINIMUM_COVERAGE"] = "100";
   process.env["INPUT_SHOW_CLASS_NAMES"] = "false";
   process.env["INPUT_ONLY_CHANGED_FILES"] = "false";
+  process.env["INPUT_PULL_REQUEST_NUMBER"] = "";
   const prNumber = 1;
   nock("https://api.github.com")
     .post(`/repos/${owner}/${repo}/issues/${prNumber}/comments`)
@@ -38,6 +39,33 @@ test("action", async () => {
   await action();
 });
 
+test("action passing pull request number directly", async () => {
+  const { action } = require("./action");
+  const prNumber = 123;
+  process.env["INPUT_PATH"] = "./src/fixtures/test-branch.xml";
+  process.env["INPUT_SKIP_COVERED"] = "true";
+  process.env["INPUT_SHOW_BRANCH"] = "false";
+  process.env["INPUT_SHOW_LINE"] = "false";
+  process.env["INPUT_MINIMUM_COVERAGE"] = "100";
+  process.env["INPUT_SHOW_CLASS_NAMES"] = "false";
+  process.env["INPUT_ONLY_CHANGED_FILES"] = "false";
+  process.env["INPUT_PULL_REQUEST_NUMBER"] = prNumber;
+  nock("https://api.github.com")
+    .post(`/repos/${owner}/${repo}/issues/${prNumber}/comments`)
+    .reply(200)
+    .get(`/repos/${owner}/${repo}/issues/${prNumber}/comments`)
+    .reply(200, [{ body: "some body", id: 123 }])
+    .get(`/repos/${owner}/${repo}/pulls/${prNumber}`)
+    .reply(200, {
+      head: {
+        sha: "deadbeef"
+      }
+    });
+  await action({
+    push: { ref: "master" }
+  });
+});
+
 test("action only changes", async () => {
   const { action } = require("./action");
   process.env["INPUT_PATH"] = "./src/fixtures/test-branch.xml";
@@ -47,6 +75,7 @@ test("action only changes", async () => {
   process.env["INPUT_MINIMUM_COVERAGE"] = "100";
   process.env["INPUT_SHOW_CLASS_NAMES"] = "false";
   process.env["INPUT_ONLY_CHANGED_FILES"] = "true";
+  process.env["INPUT_PULL_REQUEST_NUMBER"] = "";
   const prNumber = 1;
   nock("https://api.github.com")
     .post(`/repos/${owner}/${repo}/issues/${prNumber}/comments`)
@@ -246,7 +275,7 @@ test("addComment", async () => {
     .reply(200)
     .get(`/repos/${owner}/${repo}/issues/${prNumber}/comments`)
     .reply(200, [{ body: "some body", id: 123 }]);
-  await addComment({ number: prNumber }, "foo", "bar");
+  await addComment(prNumber, "foo", "bar");
 });
 
 test("addComment with update", async () => {
@@ -270,7 +299,7 @@ _Minimum allowed coverage is \`100%\`_
     .reply(200, [{ body: oldComment, id: commentId }])
     .patch(`/repos/${owner}/${repo}/issues/comments/${commentId}`)
     .reply(200, [{ body: oldComment, id: commentId }]);
-  await addComment({ number: prNumber }, "foo", "bar");
+  await addComment(prNumber, "foo", "bar");
 });
 
 test("addComment for specific report", async () => {
@@ -291,7 +320,7 @@ _Minimum allowed coverage is \`100%\`_
     .reply(200)
     .get(`/repos/${owner}/${repo}/issues/${prNumber}/comments`)
     .reply(200, [{ body: report1Comment, id: commentId }]);
-  await addComment({ number: prNumber }, "foo", "Report2");
+  await addComment(prNumber, "foo", "Report2");
 });
 
 test("addComment with update for specific report", async () => {
@@ -326,7 +355,7 @@ _Minimum allowed coverage is \`100%\`_
     ])
     .patch(`/repos/${owner}/${repo}/issues/comments/${comment2Id}`)
     .reply(200, [{ body: report2Comment, id: comment2Id }]);
-  await addComment({ number: prNumber }, "foo", "Report2");
+  await addComment(prNumber, "foo", "Report2");
 });
 
 test("listChangedFiles", async () => {
@@ -339,5 +368,5 @@ test("listChangedFiles", async () => {
         filename: "file1.txt"
       }
     ]);
-  await listChangedFiles({ number: prNumber });
+  await listChangedFiles(prNumber);
 });