feature(report): adds support for 'instability' type rules in the azu…

…re-devops reporter

src/report/azure-devops.mjs

@@ -58,6 +58,18 @@ function formatReachabilityViolation(pViolation) {
  } (via ${pViolation.via.join(" -> ")})`;
 }
 
+/**
+ * @param {import("../../types/violations.js").IViolation} pViolation
+ * @returns {string}
+ */
+function formatInstabilityViolation(pViolation) {
+ return `${pViolation.rule.name}: ${pViolation.from} -> ${
+ pViolation.to
+ } (instability: ${formatPercentage(
+ pViolation.metrics.from.instability
+ )} -> ${formatPercentage(pViolation.metrics.to.instability)})`;
+}
+
 /**
  * @param {import("../../types/violations.js").IViolation} pViolation
  * @returns {string}
@@ -68,7 +80,7 @@ function formatViolation(pViolation) {
  dependency: formatDependencyViolation,
  cycle: formatCycleViolation,
  reachability: formatReachabilityViolation,
- // instability: formatInstabilityViolation,
+ instability: formatInstabilityViolation,
  };
  let lFormattedViolators = _formatViolation(
  pViolation,

test/report/azure-devops/__mocks__/instabilities-azure-devops-format.txt

@@ -0,0 +1,2 @@
+##vso[task.logissue type=warning;sourcepath=src/more-stable.js]sdp: src/more-stable.js -> src/less-stable.js (instability: 42% -> 100%)
+##vso[task.complete result=SucceededWithIssues;]1 dependency violations (0 error, 1 warning/ informational). 3 modules, 3 dependencies cruised

test/report/azure-devops/azure-devops.spec.mjs

@@ -12,7 +12,7 @@ import circulars from "./__mocks__/circular-deps.mjs";
 import vias from "./__mocks__/via-deps.mjs";
 // import unsupportedErrorLevels from "./__mocks__/unsupported-severity.mjs";
 // import knownViolations from "./__mocks__/known-violations.mjs";
-// import instabilities from "./__mocks__/instabilities.mjs";
+import instabilities from "./__mocks__/instabilities.mjs";
 
 function readFixture(pRelativePath) {
  return readFileSync(
@@ -105,16 +105,18 @@ describe("[I] report/azure-devops", () => {
  expect(lResult.exitCode).to.equal(4);
  });
 
- // it("renders instability transgressions", () => {
- //  const lFixture = readFixture(
- //  "__mocks__/instabilities-azure-devops-format.txt"
- //  );
- //  const lResult = render(instabilities);
+ it("renders instability transgressions", () => {
+ const lFixture = readFixture(
+ "__mocks__/instabilities-azure-devops-format.txt"
+ );
+ const lResult = render(instabilities);
 
- // expect(lResult.output).to.equal(lFixture);
+ expect(normalizeNewline(lResult.output)).to.equal(
+ normalizeNewline(lFixture)
+ );
 
- //  expect(lResult.exitCode).to.equal(0);
- // });
+ expect(lResult.exitCode).to.equal(0);
+ });
 
  // it("renders unsupported error levels (like 'ignore') as 'info'", () => {
  // const lFixture = readFixture(