lint-checks/src/test/java/androidx/build/lint/replacewith/ReplaceWithDetectorConstructorTest.kt

/*
 * Copyright 2024 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.build.lint.replacewith

import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4

@RunWith(JUnit4::class)
class ReplaceWithDetectorConstructorTest {

    @Test
    fun constructorStaticClass() {
        val input =
            arrayOf(
                javaSample("replacewith.ReplaceWithUsageJava"),
                javaSample("replacewith.ConstructorStaticClass")
            )

        val expected =
            """
src/replacewith/ConstructorStaticClass.java:25: Information: Replacement available [ReplaceWith]
        new ReplaceWithUsageJava("parameter");
            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0 errors, 0 warnings
        """
                .trimIndent()

        val expectedFixDiffs =
            """
Fix for src/replacewith/ConstructorStaticClass.java line 25: Replace with `StringBuffer("parameter")`:
@@ -25 +25
-         new ReplaceWithUsageJava("parameter");
+         new StringBuffer("parameter");
        """
                .trimIndent()

        check(*input).expect(expected).expectFixDiffs(expectedFixDiffs)
    }

    @Test
    fun constructorNonStaticClass() {
        val input =
            arrayOf(
                javaSample("replacewith.ReplaceWithUsageJava"),
                javaSample("replacewith.ConstructorNonStaticClass")
            )

        val expected =
            """
src/replacewith/ConstructorNonStaticClass.java:25: Information: Replacement available [ReplaceWith]
        new ReplaceWithUsageJava().new InnerClass("param");
                                       ~~~~~~~~~~~~~~~~~~~
0 errors, 0 warnings
        """
                .trimIndent()

        val expectedFixDiffs =
            """
Fix for src/replacewith/ConstructorNonStaticClass.java line 25: Replace with `InnerClass()`:
@@ -25 +25
-         new ReplaceWithUsageJava().new InnerClass("param");
+         new ReplaceWithUsageJava().new InnerClass();
        """
                .trimIndent()

        check(*input).expect(expected).expectFixDiffs(expectedFixDiffs)
    }

    @Test
    fun constructorToStaticMethod() {
        val input =
            arrayOf(
                javaSample("replacewith.ReplaceWithUsageJava"),
                javaSample("replacewith.ConstructorToStaticMethod")
            )

        val expected =
            """
src/replacewith/ConstructorToStaticMethod.java:25: Information: Replacement available [ReplaceWith]
        new ReplaceWithUsageJava(10000);
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0 errors, 0 warnings
        """
                .trimIndent()

        val expectedFixDiffs =
            """
Fix for src/replacewith/ConstructorToStaticMethod.java line 25: Replace with `ReplaceWithUsageJava.newInstance(10000)`:
@@ -25 +25
-         new ReplaceWithUsageJava(10000);
+         ReplaceWithUsageJava.newInstance(10000);
        """
                .trimIndent()

        check(*input).expect(expected).expectFixDiffs(expectedFixDiffs)
    }

    @Test
    fun constructorStaticClassKotlin() {
        val input =
            arrayOf(
                javaSample("replacewith.ReplaceWithUsageJava"),
                ktSample("replacewith.ConstructorStaticClassKotlin")
            )

        val expected =
            """
src/replacewith/ConstructorStaticClassKotlin.kt:22: Information: Replacement available [ReplaceWith]
        ReplaceWithUsageJava("parameter")
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0 errors, 0 warnings
        """
                .trimIndent()

        val expectedFixDiffs =
            """
Fix for src/replacewith/ConstructorStaticClassKotlin.kt line 22: Replace with `StringBuffer("parameter")`:
@@ -22 +22
-         ReplaceWithUsageJava("parameter")
+         StringBuffer("parameter")
        """
                .trimIndent()

        check(*input).expect(expected).expectFixDiffs(expectedFixDiffs)
    }

    @Test
    fun constructorNonStaticClassKotlin() {
        val input =
            arrayOf(
                javaSample("replacewith.ReplaceWithUsageJava"),
                ktSample("replacewith.ConstructorNonStaticClassKotlin")
            )

        val expected =
            """
src/replacewith/ConstructorNonStaticClassKotlin.kt:22: Information: Replacement available [ReplaceWith]
        ReplaceWithUsageJava().InnerClass("param")
                               ~~~~~~~~~~~~~~~~~~~
0 errors, 0 warnings
        """
                .trimIndent()

        val expectedFixDiffs =
            """
Fix for src/replacewith/ConstructorNonStaticClassKotlin.kt line 22: Replace with `InnerClass()`:
@@ -22 +22
-         ReplaceWithUsageJava().InnerClass("param")
+         ReplaceWithUsageJava().InnerClass()
        """
                .trimIndent()

        check(*input).expect(expected).expectFixDiffs(expectedFixDiffs)
    }

    @Test
    fun constructorToStaticMethodKotlin() {
        val input =
            arrayOf(
                javaSample("replacewith.ReplaceWithUsageJava"),
                ktSample("replacewith.ConstructorToStaticMethodKotlin")
            )

        val expected =
            """
src/replacewith/ConstructorToStaticMethodKotlin.kt:22: Information: Replacement available [ReplaceWith]
        ReplaceWithUsageJava(10000)
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~
0 errors, 0 warnings
        """
                .trimIndent()

        val expectedFixDiffs =
            """
Fix for src/replacewith/ConstructorToStaticMethodKotlin.kt line 22: Replace with `ReplaceWithUsageJava.newInstance(10000)`:
@@ -22 +22
-         ReplaceWithUsageJava(10000)
+         ReplaceWithUsageJava.newInstance(10000)
        """
                .trimIndent()

        check(*input).expect(expected).expectFixDiffs(expectedFixDiffs)
    }
}