test: CY wait for PG connection to be up

Signed-off-by: Raju Udava <86527202+dstala@users.noreply.github.com>

scripts/cypress/integration/common/00_pre_configurations.js

@@ -168,9 +168,7 @@ export const genTest = (apiType, dbType) => {
             loginPage.signUp(roles.owner.credentials);
         });
 
-        const createProject = (proj) => {
-            it(`Create ${proj.basic.name} project`, () => {
-
+        function cy_createProjectBlock(proj) {
             // click home button
             cy.get(".nc-noco-brand-icon").click();
             cy.get(".ant-table-content").then((obj) => {
@@ -238,11 +236,20 @@ export const genTest = (apiType, dbType) => {
                     }
                 }
             });
+        }
 
-                // hack to disable dark mode
-                cy.fileHook();
-
-
+        const createProject = (proj) => {
+            it(`Create ${proj.basic.name} project`, () => {
+                if(dbType === "postgres") {
+                    // wait for docker compose to start
+                    cy.task(
+                      'pgExecTest',
+                      `SELECT 1+1`, {timeout: 120000}
+                    ).then(() => cy_createProjectBlock(proj));
+                }
+                else {
+                    cy_createProjectBlock(proj);
+                }
             });
         };
 
@@ -251,7 +258,7 @@ export const genTest = (apiType, dbType) => {
         } else if (dbType === "mysql") {
             createProject(staticProjects.externalREST);
         } else if (dbType === "postgres") {
-            createProject(staticProjects.pgExternalREST);
+            createProject(staticProjects.externalREST);
         }
     });
 };

scripts/cypress/plugins/index.js

@@ -77,6 +77,9 @@ module.exports = (on, config) => {
             _pgExec(query);
             return null;
         },
+        pgExecTest: (query) => {
+            return _pgExecTest(query);
+        }
     });
 
     let server, port, close
@@ -202,6 +205,32 @@ function _pgExec(query) {
     });
 }
 
+
+function _pgExecTest(query, retryCount = 60) {
+    return new Promise((resolve, reject) => {
+        // open pg client connection
+        const client = new Client(pg_credentials);
+
+        client.connect().catch(() => {
+            client.end();
+        });
+
+        // query & terminate
+        client.query(query, (err, res) => {
+            if (err) {
+                if (retryCount--)
+                    return setTimeout(() => _pgExecTest(query, retryCount).then(resolve).catch(reject), 2000);
+                else
+                    reject(err);
+            }
+
+            console.log('==== success ===', res);
+            resolve(true);
+            client.end();
+        });
+    });
+}
+
 /**
  * @copyright Copyright (c) 2021, Xgene Cloud Ltd
  *