feat(expect): add more methods

src/Expectation.php

@@ -230,7 +230,7 @@ final class Expectation
 
     /**
      * Assert that the absolute difference between $value and $this->value
-     * is greather thatn $delta.
+     * is greater than $delta.
      *
      * @param mixed $value
      */
@@ -242,31 +242,153 @@ final class Expectation
     }
 
     /**
-     * Assert that the value is a directory.
+     * Assert that the value infinite.
      */
-    public function toBeExistingDirectory(): Expectation
+    public function toBeInfinite(): Expectation
     {
-        Assert::assertDirectoryExists($this->value);
+        Assert::assertInfinite($this->value);
 
         return $this;
     }
 
     /**
-     * Assert that the value is a directory and is readable.
+     * Assert that the value is an instance of $value.
+     *
+     * @param mixed $value
      */
-    public function toBeReadableDirectory(): Expectation
+    public function toBeInstanceOf($value): Expectation
     {
-        Assert::assertDirectoryIsReadable($this->value);
+        Assert::assertInstanceOf($value, $this->value);
 
         return $this;
     }
 
     /**
-     * Assert that the value is a directory and is writable.
+     * Assert that the value is an array.
      */
-    public function toBeWritableDirectory(): Expectation
+    public function toBeArray(): Expectation
     {
-        Assert::assertDirectoryIsWritable($this->value);
+        Assert::assertIsArray($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is of type bool.
+     */
+    public function toBeBool(): Expectation
+    {
+        Assert::assertIsBool($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is of type callable.
+     */
+    public function toBeCallable(): Expectation
+    {
+        Assert::assertIsCallable($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is type of float.
+     */
+    public function toBeFloat(): Expectation
+    {
+        Assert::assertIsFloat($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is type of int.
+     */
+    public function toBeInt(): Expectation
+    {
+        Assert::assertIsInt($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is type of iterable.
+     */
+    public function toBeIterable(): Expectation
+    {
+        Assert::assertIsIterable($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is type of numeric.
+     */
+    public function toBeNumeric(): Expectation
+    {
+        Assert::assertIsNumeric($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is type of object.
+     */
+    public function toBeObject(): Expectation
+    {
+        Assert::assertIsObject($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is type of resource.
+     */
+    public function toBeResource(): Expectation
+    {
+        Assert::assertIsResource($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is type of scalar.
+     */
+    public function toBeScalar(): Expectation
+    {
+        Assert::assertIsScalar($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is type of string.
+     */
+    public function toBeString(): Expectation
+    {
+        Assert::assertIsString($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is NAN.
+     */
+    public function toBeNan(): Expectation
+    {
+        Assert::assertNan($this->value);
+
+        return $this;
+    }
+
+    /**
+     * Assert that the value is NAN.
+     */
+    public function toBeNull(): Expectation
+    {
+        Assert::assertNull($this->value);
 
         return $this;
     }

tests/.snapshots/success.txt

@@ -2,9 +2,24 @@
    PASS  Tests\CustomTestCase\ExecutedTest
   ✓ that gets executed
 
-   PASS  Tests\Expect\ToBe
+   PASS  Tests\Expect\toBe
   ✓ strict comparisons
   ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeArray
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeBool
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeCallable
+  ✓ pass
+  ✓ failures
   ✓ not failures
 
    PASS  Tests\Expect\toBeEmpty
@@ -12,13 +27,13 @@
   ✓ failures
   ✓ not failures
 
-   PASS  Tests\Expect\toBeExistingDirectory
+   PASS  Tests\Expect\toBeFalse
-  ✓ pass
+  ✓ strict comparisons
   ✓ failures
   ✓ not failures
 
-   PASS  Tests\Expect\toBeFalse
+   PASS  Tests\Expect\toBeFloat
-  ✓ strict comparisons
+  ✓ pass
   ✓ failures
   ✓ not failures
 
@@ -30,6 +45,26 @@
    PASS  Tests\Expect\toBeGreatherThanOrEqual
   ✓ passes
   ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeInfinite
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeInstanceOf
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeInt
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeIterable
+  ✓ pass
+  ✓ failures
   ✓ not failures
 
    PASS  Tests\Expect\toBeLessThan
@@ -42,12 +77,37 @@
   ✓ failures
   ✓ not failures
 
-   PASS  Tests\Expect\toBeReadableDirectory
+   PASS  Tests\Expect\toBeNAN
   ✓ pass
   ✓ failures
   ✓ not failures
 
-   PASS  Tests\Expect\toBeWritableDirectory
+   PASS  Tests\Expect\toBeNull
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeNumeric
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeObject
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeResource
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeScalar
+  ✓ pass
+  ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toBeString
   ✓ pass
   ✓ failures
   ✓ not failures
@@ -267,5 +327,5 @@
    WARN  Tests\Visual\Success
   - visual snapshot of test suite on success
 
-  Tests:  6 skipped, 156 passed
+  Tests:  6 skipped, 192 passed
-  Time:   4.42s
+  Time:   5.20s

tests/Expect/toBeArray.php

@@ -3,13 +3,14 @@
 use PHPUnit\Framework\ExpectationFailedException;
 
 test('pass', function () {
-    expect(sys_get_temp_dir())->toBeReadableDirectory();
+    expect([1, 2, 3])->toBeArray();
+    expect('1, 2, 3')->not->toBeArray();
 });
 
 test('failures', function () {
-    expect('/random/path/whatever')->toBeReadableDirectory();
+    expect(null)->toBeArray();
 })->throws(ExpectationFailedException::class);
 
 test('not failures', function () {
-    expect(sys_get_temp_dir())->not->toBeReadableDirectory();
+    expect(['a', 'b', 'c'])->not->toBeArray();
 })->throws(ExpectationFailedException::class);

tests/Expect/toBeBool.php

@@ -3,13 +3,14 @@
 use PHPUnit\Framework\ExpectationFailedException;
 
 test('pass', function () {
-    expect(sys_get_temp_dir())->toBeWritableDirectory();
+    expect(true)->toBeBool();
+    expect(0)->not->toBeBool();
 });
 
 test('failures', function () {
-    expect('/random/path/whatever')->toBeWritableDirectory();
+    expect(null)->toBeBool();
 })->throws(ExpectationFailedException::class);
 
 test('not failures', function () {
-    expect(sys_get_temp_dir())->not->toBeWritableDirectory();
+    expect(false)->not->toBeBool();
 })->throws(ExpectationFailedException::class);

tests/Expect/toBeCallable.php

@@ -0,0 +1,18 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect(function () {})->toBeCallable();
+    expect(null)->not->toBeCallable();
+});
+
+test('failures', function () {
+    $hello = 5;
+
+    expect($hello)->toBeCallable();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(function () { return 42; })->not->toBeCallable();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeFloat.php

@@ -3,15 +3,14 @@
 use PHPUnit\Framework\ExpectationFailedException;
 
 test('pass', function () {
-    $temp = sys_get_temp_dir();
+    expect(1.0)->toBeFloat();
-
+    expect(1)->not->toBeFloat();
-    expect($temp)->toBeExistingDirectory();
 });
 
 test('failures', function () {
-    expect('/random/path/whatever')->toBeExistingDirectory();
+    expect(42)->toBeFloat();
 })->throws(ExpectationFailedException::class);
 
 test('not failures', function () {
-    expect('.')->not->toBeExistingDirectory();
+    expect(log(3))->not->toBeFloat();
 })->throws(ExpectationFailedException::class);

tests/Expect/toBeInfinite.php

@@ -0,0 +1,16 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect(log(0))->toBeInfinite();
+    expect(log(1))->not->toBeInfinite();
+});
+
+test('failures', function () {
+    expect(asin(2))->toBeInfinite();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(INF)->not->toBeInfinite();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeInstanceOf.php

@@ -0,0 +1,16 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect(new Exception())->toBeInstanceOf(Exception::class);
+    expect(new Exception())->not->toBeInstanceOf(RuntimeException::class);
+});
+
+test('failures', function () {
+    expect(new Exception())->toBeInstanceOf(RuntimeException::class);
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(new Exception())->not->toBeInstanceOf(Exception::class);
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeInt.php

@@ -0,0 +1,16 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect(42)->toBeInt();
+    expect(42.0)->not->toBeInt();
+});
+
+test('failures', function () {
+    expect(42.0)->toBeInt();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(6 * 7)->not->toBeInt();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeIterable.php

@@ -0,0 +1,23 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect([])->toBeIterable();
+    expect(null)->not->toBeIterable();
+});
+
+test('failures', function () {
+    expect(42)->toBeIterable();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    function gen(): iterable
+    {
+        yield 1;
+        yield 2;
+        yield 3;
+    }
+
+    expect(gen())->not->toBeIterable();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeNAN.php

@@ -0,0 +1,16 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect(asin(2))->toBeNan();
+    expect(log(0))->not->toBeNan();
+});
+
+test('failures', function () {
+    expect(1)->toBeNan();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(acos(1.5))->not->toBeNan();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeNull.php

@@ -0,0 +1,16 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect(null)->toBeNull();
+    expect('')->not->toBeNull();
+});
+
+test('failures', function () {
+    expect('hello')->toBeNull();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(null)->not->toBeNull();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeNumeric.php

@@ -0,0 +1,16 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect(42)->toBeNumeric();
+    expect('A')->not->toBeNumeric();
+});
+
+test('failures', function () {
+    expect(null)->toBeNumeric();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(6 * 7)->not->toBeNumeric();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeObject.php

@@ -0,0 +1,16 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect((object) ['a' => 1])->toBeObject();
+    expect(['a' => 1])->not->toBeObject();
+});
+
+test('failures', function () {
+    expect(null)->toBeObject();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect((object) 'ciao')->not->toBeObject();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeResource.php

@@ -0,0 +1,22 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+$resource = tmpfile();
+
+afterAll(function () use ($resource) {
+    fclose($resource);
+});
+
+test('pass', function () use ($resource) {
+    expect($resource)->toBeResource();
+    expect(null)->not->toBeResource();
+});
+
+test('failures', function () {
+    expect(null)->toBeResource();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () use ($resource) {
+    expect($resource)->not->toBeResource();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeScalar.php

@@ -0,0 +1,15 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect(1.1)->toBeScalar();
+});
+
+test('failures', function () {
+    expect(null)->toBeScalar();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(42)->not->toBeScalar();
+})->throws(ExpectationFailedException::class);

tests/Expect/toBeString.php

@@ -0,0 +1,16 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect('1.1')->toBeString();
+    expect(1.1)->not->toBeString();
+});
+
+test('failures', function () {
+    expect(null)->toBeString();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect('42')->not->toBeString();
+})->throws(ExpectationFailedException::class);