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module fluentasserts.core.string;
public import fluentasserts.core.base;
import fluentasserts.core.results;
import std.string;
import std.conv;
import std.algorithm;
import std.array;
/// When there is a lazy string that throws an it should throw that exception
unittest {
string someLazyString() {
throw new Exception("This is it.");
}
({
someLazyString.should.equal("");
}).should.throwAnyException.withMessage("This is it.");
({
someLazyString.should.contain("");
}).should.throwAnyException.withMessage("This is it.");
({
someLazyString.should.contain([""]);
}).should.throwAnyException.withMessage("This is it.");
({
someLazyString.should.contain(' ');
}).should.throwAnyException.withMessage("This is it.");
({
someLazyString.should.startWith(" ");
}).should.throwAnyException.withMessage("This is it.");
({
someLazyString.should.endWith(" ");
}).should.throwAnyException.withMessage("This is it.");
}
@("string startWith")
unittest {
({
"test string".should.startWith("test");
}).should.not.throwAnyException;
auto msg = ({
"test string".should.startWith("other");
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.contain(`"test string" does not start with "other"`);
msg.split("\n")[2].strip.should.equal(`Expected:to start with "other"`);
msg.split("\n")[3].strip.should.equal(`Actual:"test string"`);
({
"test string".should.not.startWith("other");
}).should.not.throwAnyException;
msg = ({
"test string".should.not.startWith("test");
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.contain(`"test string" starts with "test"`);
msg.split("\n")[2].strip.should.equal(`Expected:to not start with "test"`);
msg.split("\n")[3].strip.should.equal(`Actual:"test string"`);
({
"test string".should.startWith('t');
}).should.not.throwAnyException;
msg = ({
"test string".should.startWith('o');
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.contain(`"test string" does not start with 'o'`);
msg.split("\n")[2].strip.should.equal("Expected:to start with 'o'");
msg.split("\n")[3].strip.should.equal(`Actual:"test string"`);
({
"test string".should.not.startWith('o');
}).should.not.throwAnyException;
msg = ({
"test string".should.not.startWith('t');
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.contain(`"test string" starts with 't'`);
msg.split("\n")[2].strip.should.equal(`Expected:to not start with 't'`);
msg.split("\n")[3].strip.should.equal(`Actual:"test string"`);
}
@("string endWith")
unittest {
({
"test string".should.endWith("string");
}).should.not.throwAnyException;
auto msg = ({
"test string".should.endWith("other");
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.contain(`"test string" does not end with "other"`);
msg.split("\n")[2].strip.should.equal(`Expected:to end with "other"`);
msg.split("\n")[3].strip.should.equal(`Actual:"test string"`);
({
"test string".should.not.endWith("other");
}).should.not.throwAnyException;
msg = ({
"test string".should.not.endWith("string");
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(`"test string" should not end with "string". "test string" ends with "string".`);
msg.split("\n")[2].strip.should.equal(`Expected:to not end with "string"`);
msg.split("\n")[3].strip.should.equal(`Actual:"test string"`);
({
"test string".should.endWith('g');
}).should.not.throwAnyException;
msg = ({
"test string".should.endWith('t');
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.contain(`"test string" does not end with 't'`);
msg.split("\n")[2].strip.should.equal("Expected:to end with 't'");
msg.split("\n")[3].strip.should.equal(`Actual:"test string"`);
({
"test string".should.not.endWith('w');
}).should.not.throwAnyException;
msg = ({
"test string".should.not.endWith('g');
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.contain(`"test string" ends with 'g'`);
msg.split("\n")[2].strip.should.equal("Expected:to not end with 'g'");
msg.split("\n")[3].strip.should.equal(`Actual:"test string"`);
}
@("string contain")
unittest {
({
"test string".should.contain(["string", "test"]);
"test string".should.not.contain(["other", "message"]);
}).should.not.throwAnyException;
({
"test string".should.contain("string");
"test string".should.not.contain("other");
}).should.not.throwAnyException;
({
"test string".should.contain('s');
"test string".should.not.contain('z');
}).should.not.throwAnyException;
auto msg = ({
"test string".should.contain(["other", "message"]);
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(`"test string" should contain ["other", "message"]. ["other", "message"] are missing from "test string".`);
msg.split("\n")[2].strip.should.equal(`Expected:to contain all ["other", "message"]`);
msg.split("\n")[3].strip.should.equal("Actual:test string");
msg = ({
"test string".should.not.contain(["test", "string"]);
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(`"test string" should not contain ["test", "string"]. ["test", "string"] are present in "test string".`);
msg.split("\n")[2].strip.should.equal(`Expected:to not contain any ["test", "string"]`);
msg.split("\n")[3].strip.should.equal("Actual:test string");
msg = ({
"test string".should.contain("other");
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(`"test string" should contain "other". other is missing from "test string".`);
msg.split("\n")[2].strip.should.equal(`Expected:to contain "other"`);
msg.split("\n")[3].strip.should.equal("Actual:test string");
msg = ({
"test string".should.not.contain("test");
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(`"test string" should not contain "test". test is present in "test string".`);
msg.split("\n")[2].strip.should.equal(`Expected:to not contain "test"`);
msg.split("\n")[3].strip.should.equal("Actual:test string");
msg = ({
"test string".should.contain('o');
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.contain(`o is missing from "test string"`);
msg.split("\n")[2].strip.should.equal("Expected:to contain 'o'");
msg.split("\n")[3].strip.should.equal("Actual:test string");
msg = ({
"test string".should.not.contain('t');
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(`"test string" should not contain 't'. t is present in "test string".`);
msg.split("\n")[2].strip.should.equal("Expected:to not contain 't'");
msg.split("\n")[3].strip.should.equal("Actual:test string");
}
@("string equal")
unittest {
({
"test string".should.equal("test string");
}).should.not.throwAnyException;
({
"test string".should.not.equal("test");
}).should.not.throwAnyException;
auto msg = ({
"test string".should.equal("test");
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(`"test string" should equal "test". "test string" is not equal to "test".`);
msg = ({
"test string".should.not.equal("test string");
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(`"test string" should not equal "test string". "test string" is equal to "test string".`);
msg = ({
ubyte[] data = [115, 111, 109, 101, 32, 100, 97, 116, 97, 0, 0];
data.assumeUTF.to!string.should.equal("some data");
}).should.throwException!TestException.msg;
msg.should.contain(`Actual:"some data\0\0"`);
msg.should.contain(`data.assumeUTF.to!string should equal "some data". "some data\0\0" is not equal to "some data".`);
msg.should.contain(`some data[+\0\0]`);
}
/// should throw exceptions for delegates that return basic types
unittest {
string value() {
throw new Exception("not implemented");
}
value().should.throwAnyException.withMessage.equal("not implemented");
string noException() { return null; }
bool thrown;
try {
noException.should.throwAnyException;
} catch(TestException e) {
e.msg.should.startWith("noException should throw any exception. No exception was thrown.");
thrown = true;
}
thrown.should.equal(true);
}
@("const string equal")
unittest {
const string constValue = "test string";
immutable string immutableValue = "test string";
constValue.should.equal("test string");
immutableValue.should.equal("test string");
"test string".should.equal(constValue);
"test string".should.equal(immutableValue);
}