@Test
public void toleratesWindowsLineBreaks() {
jsHint.configure(new JsonObject().add("white", false));
jsHint.check("var x = 1;\r\nvar y = 2;\r\nvar z = 23 == null;", handler);
assertEquals("3.11", getPositionFromProblem(0));
}
@Test
public void positionIsCorrectWithLeadingSpace() {
jsHint.configure(new JsonObject().add("white", false));
jsHint.check(" var x = 23 == null;", handler);
assertEquals("1.12", getPositionFromProblem(0));
}
@Test
public void positionIsCorrectWithMultipleTabs() {
jsHint.configure(new JsonObject().add("white", false));
jsHint.check("\tvar x\t= 23 == null;", handler);
assertEquals("1.12", getPositionFromProblem(0));
}
@Test
public void eqnull_withEmptyConfig() {
jsHint.configure(new JsonObject());
jsHint.check("var x = 23 == null;", handler);
assertEquals("1.11:Use '===' to compare with 'null'", getAllProblems());
}
@Test
public void undefinedVariable_withoutPredefInConfig_fails() {
jsHint.configure(new JsonObject().add("undef", true));
jsHint.check("foo = {};", handler);
assertEquals("1.0:'foo' is not defined", getAllProblems());
}
@Test
public void eqnull_withEqnullInConfig() {
jsHint.configure(new JsonObject().add("eqnull", true));
jsHint.check("var f = x == null ? null : x + 1;", handler);
assertEquals("", getAllProblems());
}
@Test
public void undefinedVariable_withReadOnlyPredefInConfig_fails() {
JsonObject globals = new JsonObject().add("foo", false);
jsHint.configure(new JsonObject().add("undef", true).add("globals", globals));
jsHint.check("foo = {};", handler);
assertEquals("1.0:Read only", getAllProblems());
}
@Test
public void undefinedVariable_withPredefInConfig_succeeds() {
JsonObject globals = new JsonObject().add("foo", true);
jsHint.configure(new JsonObject().add("undef", true).add("globals", globals));
jsHint.check("foo = {};", handler);
assertEquals("", getAllProblems());
}
@Test
public void extraComma() {
JsonObject config = new JsonObject();
if (versionGreaterThan("2.0.0")) {
config.add("es3", true);
}
jsHint.configure(config);
jsHint.check("var o = { x: 1, y: 2, z: 3, };", handler);
assertThat(getAllProblems(), startsWith("1.26:Extra comma"));
}
private void loadJsHint() throws IOException {
ClassLoader classLoader = getClass().getClassLoader();
String resource = "com/jshint/jshint-" + version + ".js";
InputStream stream = classLoader.getResourceAsStream(resource);
if (stream == null) {
throw new IllegalArgumentException("JSHint resource not found: " + resource);
}
try {
jsHint.load(stream);
} finally {
stream.close();
}
}
@Test
public void problemLineIs_1_Relative() {
jsHint.check("#", handler);
assertEquals(1, problems.get(0).getLine());
}
@Test
public void noProblemsForValidCode() {
jsHint.check("var a = 23;", handler);
assertTrue(problems.isEmpty());
}
@Test
public void eqnull_withoutConfig() {
jsHint.check("var x = 23 == null;", handler);
assertEquals("1.11:Use '===' to compare with 'null'", getAllProblems());
}
@Test
public void problemCharacterIs_0_Relative() {
jsHint.check("#", handler);
assertEquals(0, problems.get(0).getCharacter());
}
@Test
public void positionIsCorrect() {
jsHint.check("var x = 23 == null;", handler);
assertEquals("1.11", getPositionFromProblem(0));
}
@Test
public void cproblemMessageIsNotEmpty() {
jsHint.check("#", handler);
assertTrue(problems.get(0).getMessage().length() > 0);
}
@Test
public void undefinedVariable_withoutConfig_succeeds() {
jsHint.check("foo = {};", handler);
assertEquals("", getAllProblems());
}
