unix_only_test.go

//go:build !windows
// +build !windows

package main

import (
	"reflect"
	"testing"
)

func Test_getCoverForDir(t *testing.T) {
	t.Run("error", func(t *testing.T) {
		_, _, err := getCoverForDir("./testdata/not_exists.out", []string{}, Config{colors256: false})
		if err == nil {
			t.Errorf("1. getCoverForDir() error failed")
		}
	})

	t.Run("cover", func(t *testing.T) {
		bytes, _, err := getCoverForDir("./testdata/cover_00.out", []string{}, Config{colors256: false})
		if err != nil {
			t.Errorf("2. getCoverForDir() failed: %v", err)
		}
		expect, err := readFile("./testdata/colored_00.txt")
		if err != nil {
			t.Errorf("3. getCoverForDir() failed: %v", err)
		}
		if !reflect.DeepEqual(bytes, expect) {
			t.Errorf("4. getCoverForDir() not equal")
		}
	})

	t.Run("cover with 256 colors", func(t *testing.T) {
		bytes, _, err := getCoverForDir("./testdata/cover_00.out", []string{}, Config{colors256: true})
		if err != nil {
			t.Errorf("5. getCoverForDir() failed: %v", err)
		}
		expect, err := readFile("./testdata/colored_01.txt")
		if err != nil {
			t.Errorf("6. getCoverForDir() failed: %v", err)
		}
		if !reflect.DeepEqual(bytes, expect) {
			t.Errorf("7. getCoverForDir() not equal")
		}
	})

	t.Run("cover with 256 colors with error", func(t *testing.T) {
		_, _, err := getCoverForDir("./testdata/cover_01.out", []string{}, Config{colors256: true})
		if err == nil {
			t.Errorf("8. getCoverForDir() not exists go file")
		}
	})

	t.Run("cover 01 without 256 colors", func(t *testing.T) {
		bytes, _, err := getCoverForDir("./testdata/cover_00.out", []string{"file_01.go"}, Config{colors256: false})
		if err != nil {
			t.Errorf("9. getCoverForDir() failed: %v", err)
		}
		expect, err := readFile("./testdata/colored_02.txt")
		if err != nil {
			t.Errorf("10. getCoverForDir() failed: %v", err)
		}
		if !reflect.DeepEqual(bytes, expect) {
			t.Errorf("11. getCoverForDir() not equal")
		}
	})

	t.Run("cover 02 without 256 colors", func(t *testing.T) {
		bytes, _, err := getCoverForDir("./testdata/cover_02.out", []string{}, Config{colors256: false})
		if err != nil {
			t.Errorf("12. getCoverForDir() failed: %v", err)
		}
		expect, err := readFile("./testdata/colored_03.txt")
		if err != nil {
			t.Errorf("13. getCoverForDir() failed: %v", err)
		}
		if !reflect.DeepEqual(bytes, expect) {
			t.Errorf("14. getCoverForDir() not equal\ngot:\n%s\nexpect:\n%s\n", bytes, expect)
		}
	})
}

func Test_getCoverForDir_mincov_flag(t *testing.T) {
	t.Run("covered 100% mincov 100%", func(t *testing.T) {
		conf := Config{
			colors256:   false,
			minCoverage: 100.0,
		}

		// cover_00.out has 100% coverage of 2 files
		_, profileBlocks, err := getCoverForDir("./testdata/cover_00.out", []string{"file_01.go"}, conf)
		if err != nil {
			t.Errorf("getCoverForDir() failed with error: %s", err)
		}

		expectLen := 2
		actualLen := len(profileBlocks)

		if expectLen != actualLen {
			t.Errorf("1. minimum coverage 100%% should print all the blocks. want %v, got: %v", expectLen, actualLen)
		}
	})

	t.Run("covered 100% mincov 50%", func(t *testing.T) {
		conf := Config{
			colors256:   false,
			minCoverage: 50.0,
		}

		// cover_00.out has 100% coverage of 2 files
		_, profileBlocks, err := getCoverForDir("./testdata/cover_00.out", []string{"file_01.go"}, conf)
		if err != nil {
			t.Errorf("getCoverForDir() failed with error: %s", err)
		}

		expectLen := 0
		actualLen := len(profileBlocks)

		if expectLen != actualLen {
			t.Errorf("2. minimum coverage 50%% for 100%% covered source should print nothing. want %v, got: %v", expectLen, actualLen)
		}
	})
}