Skip to content

Add support for Visual Studio 2026 MSBuild 18 in VSTestV3 task #21508

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
sanjays-ms wants to merge 5 commits into
base: master
Choose a base branch
from
+41 −10
Open

Add support for Visual Studio 2026 MSBuild 18 in VSTestV3 task #21508

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
65f7293
Add support for Visual Studio 2026 in VSTest task
sanjays-ms Nov 29, 2025
6dad4c3
Merge branch 'master' into users/v-sanjayse/support-msbuildv18-vstestv3
sanjays-ms Dec 2, 2025
5ce9ae2
Merge branch 'master' into users/v-sanjayse/support-msbuildv18-vstestv3
sanjays-ms Dec 3, 2025
3e437f5
Merge branch 'master' into users/v-sanjayse/support-msbuildv18-vstestv3
sanjays-ms Dec 3, 2025
987217e
Merge branch 'master' into users/v-sanjayse/support-msbuildv18-vstestv3
sanjays-ms Dec 5, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion Tasks/VsTestV3/Strings/resources.resjson/en-US/resources.resjson
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@
"loc.input.help.uiTests": "To run UI tests, ensure that the agent is set to run in interactive mode. Setting up an agent to run interactively must be done before queueing the build / release. Checking this box does <b>not</b> configure the agent in interactive mode automatically. This option in the task is to only serve as a reminder to configure agent appropriately to avoid failures. <br><br> Hosted Windows agents from the VS 2015 and 2017 pools can be used to run UI tests.<br> [More information](https://aka.ms/uitestmoreinfo).",
"loc.input.label.vstestLocationMethod": "Select test platform using",
"loc.input.label.vsTestVersion": "Test platform version",
"loc.input.help.vsTestVersion": "The version of Visual Studio test to use. If latest is specified it chooses latest Visual Studio version starting from VS2022 followed by VS2019, VS2017 and VS2015 depending on what is installed. Visual Studio 2013 is not supported. To run tests without needing Visual Studio on the agent, use the ‘Installed by tools installer’ option. Be sure to include the ‘Visual Studio Test Platform Installer’ task to acquire the test platform from nuget.",
"loc.input.help.vsTestVersion": "The version of Visual Studio test to use. If latest is specified it chooses latest Visual Studio version starting from VS2026 followed by VS2022, VS2019, VS2017 and VS2015 depending on what is installed. Visual Studio 2013 is not supported. To run tests without needing Visual Studio on the agent, use the 'Installed by tools installer' option. Be sure to include the 'Visual Studio Test Platform Installer' task to acquire the test platform from nuget.",
"loc.input.label.vstestLocation": "Path to vstest.console.exe",
"loc.input.help.vstestLocation": "Optionally supply the path to VSTest.",
"loc.input.label.runSettingsFile": "Settings file",
Expand Down
1 change: 1 addition & 0 deletions Tasks/VsTestV3/helpers.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -171,6 +171,7 @@ export class Helper {
case 15: return '2017';
case 16: return '2019';
case 17: return '2022';
case 18: return '2026';
default: return 'selected';
}
}
Expand Down
21 changes: 17 additions & 4 deletions Tasks/VsTestV3/inputparser.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -245,7 +245,8 @@ function getTestPlatformSettings(inputDataContract : idc.InputDataContract) : id

ci.publishEvent({ subFeature: 'ToolsInstallerInstallationSuccessful' });

} else if ((vsTestVersion !== '17.0')
} else if ((vsTestVersion !== '18.0')
&& (vsTestVersion !== '17.0')
&& (vsTestVersion !== '16.0')
&& (vsTestVersion !== '15.0')
&& (vsTestVersion !== '14.0')
Expand Down Expand Up @@ -533,11 +534,15 @@ function getTestPlatformPath(inputDataContract : idc.InputDataContract) {

if (vsTestVersion.toLowerCase() === 'latest') {
tl.debug('Searching for latest Visual Studio.');
let vstestconsolePath = getVSTestConsolePath('17.0', '18.0');
let vstestconsolePath = getVSTestConsolePath('18.0', '19.0');
if (vstestconsolePath) {
return path.join(vstestconsolePath, 'Common7', 'IDE', 'Extensions', 'TestPlatform');
}
vstestconsolePath = getVSTestConsolePath('16.0', '17.0');
vstestconsolePath = getVSTestConsolePath('17.0', '18.0');
if (vstestconsolePath) {
return path.join(vstestconsolePath, 'Common7', 'IDE', 'Extensions', 'TestPlatform');
}
vstestconsolePath = getVSTestConsolePath('16.0', '17.0');
if (vstestconsolePath) {
return path.join(vstestconsolePath, 'Common7', 'IDE', 'Extensions', 'TestPlatform');
}
Expand All @@ -555,7 +560,15 @@ function getTestPlatformPath(inputDataContract : idc.InputDataContract) {

const vsVersion: number = parseFloat(vsTestVersion);

if (vsVersion === 17.0) {
if (vsVersion === 18.0) { //Visual Studio 2026
const vstestconsolePath = getVSTestConsolePath('18.0', '19.0');
if (vstestconsolePath) {
return path.join(vstestconsolePath, 'Common7', 'IDE', 'Extensions', 'TestPlatform');
}
throw (new Error(tl.loc('VstestNotFound', utils.Helper.getVSVersion(vsVersion))));
}

if (vsVersion === 17.0) { //Visual Studio 2022
const vstestconsolePath = getVSTestConsolePath('17.0', '18.0');
if (vstestconsolePath) {
return path.join(vstestconsolePath, 'Common7', 'IDE', 'Extensions', 'TestPlatform');
Expand Down
5 changes: 3 additions & 2 deletions Tasks/VsTestV3/task.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@
"author": "Microsoft Corporation",
"version": {
"Major": 3,
"Minor": 266,
"Minor": 267,
"Patch": 0
},
"demands": [
Expand Down Expand Up @@ -221,11 +221,12 @@
"label": "Test platform version",
"defaultValue": "latest",
"required": false,
"helpMarkDown": "The version of Visual Studio test to use. If latest is specified it chooses latest Visual Studio version starting from VS2022 followed by VS2019, VS2017 and VS2015 depending on what is installed. Visual Studio 2013 is not supported. To run tests without needing Visual Studio on the agent, use the ‘Installed by tools installer’ option. Be sure to include the ‘Visual Studio Test Platform Installer’ task to acquire the test platform from nuget.",
"helpMarkDown": "The version of Visual Studio test to use. If latest is specified it chooses latest Visual Studio version starting from VS2026 followed by VS2022, VS2019, VS2017 and VS2015 depending on what is installed. Visual Studio 2013 is not supported. To run tests without needing Visual Studio on the agent, use the 'Installed by tools installer' option. Be sure to include the 'Visual Studio Test Platform Installer' task to acquire the test platform from nuget.",
"visibleRule": "vstestLocationMethod = version",
"groupName": "executionOptions",
"options": {
"latest": "Latest",
"18.0": "Visual Studio 2026",
"17.0": "Visual Studio 2022",
"16.0": "Visual Studio 2019",
"15.0": "Visual Studio 2017",
Expand Down
3 changes: 2 additions & 1 deletion Tasks/VsTestV3/task.loc.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@
"author": "Microsoft Corporation",
"version": {
"Major": 3,
"Minor": 266,
"Minor": 267,
"Patch": 0
},
"demands": [
Expand Down Expand Up @@ -226,6 +226,7 @@
"groupName": "executionOptions",
"options": {
"latest": "Latest",
"18.0": "Visual Studio 2026",
"17.0": "Visual Studio 2022",
"16.0": "Visual Studio 2019",
"15.0": "Visual Studio 2017",
Expand Down
3 changes: 2 additions & 1 deletion Tasks/VsTestV3/taskinputparser.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -162,7 +162,8 @@ function initTestConfigurations(testConfiguration: models.TestConfigurations) {
testConfiguration.vsTestLocation = testConfiguration.toolsInstallerConfig.vsTestConsolePathFromPackageLocation;

testConfiguration.toolsInstallerConfig.isToolsInstallerInUse = true;
} else if ((testConfiguration.vsTestVersion !== '17.0')
} else if ((testConfiguration.vsTestVersion !== '18.0')
&& (testConfiguration.vsTestVersion !== '17.0')
&& (testConfiguration.vsTestVersion !== '16.0')
&& (testConfiguration.vsTestVersion !== '15.0')
&& (testConfiguration.vsTestVersion !== '14.0')
Expand Down
16 changes: 15 additions & 1 deletion Tasks/VsTestV3/versionfinder.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -91,7 +91,13 @@ function locateTestWindow(testConfig: models.TestConfigurations): string {
// latest
tl.debug('Searching for latest Visual Studio');

let vstestconsolePath = getVSTestConsolePath('17.0', '18.0');
let vstestconsolePath = getVSTestConsolePath('18.0', '19.0');
if (vstestconsolePath) {
testConfig.vsTestVersion = "18.0";
return path.join(vstestconsolePath, 'Common7', 'IDE', 'Extensions', 'TestPlatform');
}

vstestconsolePath = getVSTestConsolePath('17.0', '18.0');
if (vstestconsolePath) {
testConfig.vsTestVersion = "17.0";
return path.join(vstestconsolePath, 'Common7', 'IDE', 'Extensions', 'TestPlatform');
Expand All @@ -117,6 +123,14 @@ function locateTestWindow(testConfig: models.TestConfigurations): string {

const vsVersion: number = parseFloat(testConfig.vsTestVersion);

if (vsVersion === 18.0) { //Visual Studio 2026
const vstestconsolePath = getVSTestConsolePath('18.0', '19.0');
if (vstestconsolePath) {
return path.join(vstestconsolePath, 'Common7', 'IDE', 'Extensions', 'TestPlatform');
}
throw (new Error(tl.loc('VstestNotFound', utils.Helper.getVSVersion(vsVersion))));
}

if (vsVersion === 17.0) { //Visual Studio 2022
const vstestconsolePath = getVSTestConsolePath('17.0', '18.0');
if (vstestconsolePath) {
Expand Down