add some unit tests on variableDeclarator

packages/prettier-plugin-java/test/unit-test/snippets/classes/variableDeclarator/test.spec.js

@@ -0,0 +1,73 @@
+"use strict";
+
+const { expect } = require("chai");
+const { formatJavaSnippet } = require("../../../../test-utils");
+
+describe("VariableDeclarator", () => {
+  it("should format a variable declaration", () => {
+    const snippet = "i=1";
+    const entryPoint = "variableDeclarator";
+
+    const formattedText = formatJavaSnippet(snippet, entryPoint);
+    const expectedContents = "i = 1";
+    expect(formattedText).to.equal(expectedContents);
+  });
+
+  it("should format a variable declaration with an array initialisation", () => {
+    const snippet = "i={alpha}";
+    const entryPoint = "variableDeclarator";
+
+    const formattedText = formatJavaSnippet(snippet, entryPoint);
+    const expectedContents = "i = { alpha }";
+    expect(formattedText).to.equal(expectedContents);
+  });
+
+  it("should not add a blank line with an array initialisation that break", () => {
+    const snippet =
+      "i={alpha, beta, gamma, delta, epsilon, zeta, eta, theta, iota, kappa, lambda, mu, nu, xi}";
+    const entryPoint = "variableDeclarator";
+
+    const formattedText = formatJavaSnippet(snippet, entryPoint);
+    const expectedContents =
+      "i = {\n  alpha,\n  beta,\n  gamma,\n  delta,\n  epsilon,\n  zeta,\n  eta,\n  theta,\n  iota,\n  kappa,\n  lambda,\n  mu,\n  nu,\n  xi\n}";
+    expect(formattedText).to.equal(expectedContents);
+  });
+
+  it("should format a variable declaration with a lambda", () => {
+    const snippet = "lambda= test -> {}";
+    const entryPoint = "variableDeclarator";
+
+    const formattedText = formatJavaSnippet(snippet, entryPoint);
+    const expectedContents = "lambda = test -> {}";
+    expect(formattedText).to.equal(expectedContents);
+  });
+
+  it("should not add a blank line with a lambda that break", () => {
+    const snippet = "lambda= test -> {int i;}";
+    const entryPoint = "variableDeclarator";
+
+    const formattedText = formatJavaSnippet(snippet, entryPoint);
+    const expectedContents = "lambda = test -> {\n  int i;\n}";
+    expect(formattedText).to.equal(expectedContents);
+  });
+
+  it("should format a variable declaration with a ternary expression", () => {
+    const snippet = "value= bool ? one : two";
+    const entryPoint = "variableDeclarator";
+
+    const formattedText = formatJavaSnippet(snippet, entryPoint);
+    const expectedContents = "value = bool ? one : two";
+    expect(formattedText).to.equal(expectedContents);
+  });
+
+  it("should not add a blank line with a ternary expression that break", () => {
+    const snippet =
+      "value = thisIsAnotherVeryLongIntegerThatIsEvenLongerThanFirstOne ? thisIsAnotherVeryLongIntegerThatIsEvenLongerThanFirstOne : thisIsAShortInteger";
+    const entryPoint = "variableDeclarator";
+
+    const formattedText = formatJavaSnippet(snippet, entryPoint);
+    const expectedContents =
+      "value = thisIsAnotherVeryLongIntegerThatIsEvenLongerThanFirstOne\n  ? thisIsAnotherVeryLongIntegerThatIsEvenLongerThanFirstOne\n  : thisIsAShortInteger";
+    expect(formattedText).to.equal(expectedContents);
+  });
+});