Testing semver parsing

semver_test.go

package main

import (
	"testing"

	"github.com/Masterminds/semver/v3"
)

type testCase struct {
	Name    string
	Version string
}

var testCases = []testCase{
	{
		Name:    "VersionWithoutExplicitPatch",
		Version: "1.0-SNAPSHOT",
	},
	{
		Name:    "VersionWithExplicitPatchZero",
		Version: "1.0.0-SNAPSHOT",
	},
	{
		Name:    "VersionWithExplicitPatchNonZero",
		Version: "1.0.9-SNAPSHOT",
	},
	{
		Name:    "VersionWithFeatureTag",
		Version: "1.0-feature-SNAPSHOT",
	},
	{
		Name:    "VersionWithPatchAndFeatureTag",
		Version: "1.0.0-feature-SNAPSHOT",
	},
}

func TestConstraint_NoPatchVersion(t *testing.T) {
	c, err := semver.NewConstraint("1.0-SNAPSHOT")
	if err != nil {
		t.Fatalf("failed to parse constraint: %v", err)
	}
	for _, tc := range testCases {
		t.Run(tc.Name, testConstraint(c, &tc))
	}
}

func TestConstraint_SpecificPatchVersion(t *testing.T) {
	c, err := semver.NewConstraint("1.0.0-SNAPSHOT")
	if err != nil {
		t.Fatalf("failed to parse constraint: %v", err)
	}
	for _, tc := range testCases {
		t.Run(tc.Name, testConstraint(c, &tc))
	}
}

func testConstraint(c *semver.Constraints, tc *testCase) func(*testing.T) {
	return func(t *testing.T) {
		v, err := semver.NewVersion(tc.Version)
		if err != nil {
			t.Errorf("failed to parse version: %v", err)
			return
		}
		if !c.Check(v) {
			t.Errorf("version %v does not satisfy constraint %v", tc.Version, c)
		}
	}
}

Results in the following output:

❯ go test
--- FAIL: TestConstraint_SpecificPatchVersion (0.00s)
    --- FAIL: TestConstraint_SpecificPatchVersion/VersionWithExplicitPatchNonZero (0.00s)
        semver_test.go:65: version 1.0.9-SNAPSHOT does not satisfy constraint 1.0.0-SNAPSHOT
    --- FAIL: TestConstraint_SpecificPatchVersion/VersionWithFeatureTag (0.00s)
        semver_test.go:65: version 1.0-feature-SNAPSHOT does not satisfy constraint 1.0.0-SNAPSHOT
    --- FAIL: TestConstraint_SpecificPatchVersion/VersionWithPatchAndFeatureTag (0.00s)
        semver_test.go:65: version 1.0.0-feature-SNAPSHOT does not satisfy constraint 1.0.0-SNAPSHOT
FAIL
exit status 1
FAIL	github.com/crallen/semver-testing	0.101s